https://cve.radiocsirt.org Contains only the most 10 recent entries. http://www.rssboard.org/rss-specification python-feedgen en Sat, 03 Oct 2026 13:12:20 +0000 https://cve.radiocsirt.org/vuln/alsa-2026:1086 <p><strong>Affected:</strong> AlmaLinux:10: python3-urllib3</p> <p>Python is an interpreted, interactive, object-oriented programming language, which includes modules, classes, exceptions, very high level dynamic data types and dynamic typing. Python supports interfaces to many system calls and libraries, as well as to various windowing systems.</p> <p>Security Fix(es):</p> <p>* urllib3: urllib3: Unbounded decompression chain leads to resource exhaustion (CVE-2025-66418) * urllib3: urllib3 Streaming API improperly handles highly compressed data (CVE-2025-66471) * urllib3: urllib3 vulnerable to decompression-bomb safeguard bypass when following HTTP redirects (streaming API) (CVE-2026-21441)</p> <p>For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.</p> <p><strong>Affected:</strong> AlmaLinux:10: python3-urllib3</p> <p>Python is an interpreted, interactive, object-oriented programming language, which includes modules, classes, exceptions, very high level dynamic data types and dynamic typing. Python supports interfaces to many system calls and libraries, as well as to various windowing systems.</p> <p>Security Fix(es):</p> <p>* urllib3: urllib3: Unbounded decompression chain leads to resource exhaustion (CVE-2025-66418) * urllib3: urllib3 Streaming API improperly handles highly compressed data (CVE-2025-66471) * urllib3: urllib3 vulnerable to decompression-bomb safeguard bypass when following HTTP redirects (streaming API) (CVE-2026-21441)</p> <p>For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.</p> https://cve.radiocsirt.org/vuln/alsa-2026:1086 https://cve.radiocsirt.org/vuln/bdu:2026-03625 bdu:2026-03625 https://cve.radiocsirt.org/vuln/bdu:2026-03625 https://cve.radiocsirt.org/vuln/bell-cve-2026-21441 <p><strong>Affected:</strong> Alpaquita:23: py3-pip, Alpaquita:23: py3-urllib3, Alpaquita:25: py3-pip, Alpaquita:25: py3-urllib3, Alpaquita:stream: py3-urllib3, BellSoft Hardened Containers:23: py3-pip, BellSoft Hardened Containers:25: py3-pip</p> <p><strong>Affected:</strong> Alpaquita:23: py3-pip, Alpaquita:23: py3-urllib3, Alpaquita:25: py3-pip, Alpaquita:25: py3-urllib3, Alpaquita:stream: py3-urllib3, BellSoft Hardened Containers:23: py3-pip, BellSoft Hardened Containers:25: py3-pip</p> https://cve.radiocsirt.org/vuln/bell-cve-2026-21441 https://cve.radiocsirt.org/vuln/brew-abi3audit-cve-2026-21441 <p><strong>Affected:</strong> Homebrew: abi3audit</p> <p>### Impact</p> <p>urllib3&#39;s [streaming API](https://urllib3.readthedocs.io/en/2.6.2/advanced-usage.html#streaming-and-i-o) is designed for the efficient handling of large HTTP responses by reading the content in chunks, rather than loading the entire response body into memory at once.</p> <p>urllib3 can perform decoding or decompression based on the HTTP `Content-Encoding` header (e.g., `gzip`, `deflate`, `br`, or `zstd`). When using the streaming API, the library decompresses only the necessary bytes, enabling partial content consumption.</p> <p>However, for HTTP redirect responses, the library would read the entire response body to drain the connection and decompress the content unnecessarily. This decompression occurred even before any read methods were called, and configured read limits did not restrict the amount of decompressed data. As a result, there was no safeguard against decompression bombs. A malicious server could exploit this to trigger excessive resource consumption on the client (high CPU usage and large memory allocations for decompressed data; CWE-409).</p> <p>### Affected usages</p> <p>Applications and libraries using urllib3 version 2.6.2 and earlier to stream content from untrusted sources by setting `preload_content=False` when they do not disable redirects.</p> <p>### Remediation</p> <p>Upgrade to at least urllib3 v2.6.3 in which the library does not decode content of redirect responses when `preload_content=False`.</p> <p>If upgrading is not immediately possible, disable [redirects](https://urlli…</p> <p><strong>Affected:</strong> Homebrew: abi3audit</p> <p>### Impact</p> <p>urllib3&#39;s [streaming API](https://urllib3.readthedocs.io/en/2.6.2/advanced-usage.html#streaming-and-i-o) is designed for the efficient handling of large HTTP responses by reading the content in chunks, rather than loading the entire response body into memory at once.</p> <p>urllib3 can perform decoding or decompression based on the HTTP `Content-Encoding` header (e.g., `gzip`, `deflate`, `br`, or `zstd`). When using the streaming API, the library decompresses only the necessary bytes, enabling partial content consumption.</p> <p>However, for HTTP redirect responses, the library would read the entire response body to drain the connection and decompress the content unnecessarily. This decompression occurred even before any read methods were called, and configured read limits did not restrict the amount of decompressed data. As a result, there was no safeguard against decompression bombs. A malicious server could exploit this to trigger excessive resource consumption on the client (high CPU usage and large memory allocations for decompressed data; CWE-409).</p> <p>### Affected usages</p> <p>Applications and libraries using urllib3 version 2.6.2 and earlier to stream content from untrusted sources by setting `preload_content=False` when they do not disable redirects.</p> <p>### Remediation</p> <p>Upgrade to at least urllib3 v2.6.3 in which the library does not decode content of redirect responses when `preload_content=False`.</p> <p>If upgrading is not immediately possible, disable [redirects](https://urlli…</p> https://cve.radiocsirt.org/vuln/brew-abi3audit-cve-2026-21441 https://cve.radiocsirt.org/vuln/certfr-2026-avi-0109 certfr-2026-avi-0109 https://cve.radiocsirt.org/vuln/certfr-2026-avi-0109 https://cve.radiocsirt.org/vuln/cleanstart-2026-mi51590 <p><strong>Withdrawn by the publisher.</strong></p> <p><strong>Affected:</strong> CleanStart: kserve-storage-controller</p> <p>Package kserve-storage-controller version 0.19.0-r0 fixes 91 vulnerabilities: CVE-2024-12254, CVE-2024-12718, CVE-2024-6232, CVE-2024-7592, CVE-2024-9287...</p> <p><strong>Withdrawn by the publisher.</strong></p> <p><strong>Affected:</strong> CleanStart: kserve-storage-controller</p> <p>Package kserve-storage-controller version 0.19.0-r0 fixes 91 vulnerabilities: CVE-2024-12254, CVE-2024-12718, CVE-2024-6232, CVE-2024-7592, CVE-2024-9287...</p> https://cve.radiocsirt.org/vuln/cleanstart-2026-mi51590 https://cve.radiocsirt.org/vuln/euvd-2026-370213 EUVD-2026-370213 https://cve.radiocsirt.org/vuln/euvd-2026-370213 https://cve.radiocsirt.org/vuln/fkie_cve-2026-21441 <p>urllib3 is an HTTP client library for Python. urllib3&#39;s streaming API is designed for the efficient handling of large HTTP responses by reading the content in chunks, rather than loading the entire response body into memory at once. urllib3 can perform decoding or decompression based on the HTTP `Content-Encoding` header (e.g., `gzip`, `deflate`, `br`, or `zstd`). When using the streaming API, the library decompresses only the necessary bytes, enabling partial content consumption. Starting in version 1.22 and prior to version 2.6.3, for HTTP redirect responses, the library would read the entire response body to drain the connection and decompress the content unnecessarily. This decompression occurred even before any read methods were called, and configured read limits did not restrict the amount of decompressed data. As a result, there was no safeguard against decompression bombs. A malicious server could exploit this to trigger excessive resource consumption on the client. Applications and libraries are affected when they stream content from untrusted sources by setting `preload_content=False` when they do not disable redirects. Users should upgrade to at least urllib3 v2.6.3, in which the library does not decode content of redirect responses when `preload_content=False`. If upgrading is not immediately possible, disable redirects by setting `redirect=False` for requests to untrusted source.</p> <p>urllib3 is an HTTP client library for Python. urllib3&#39;s streaming API is designed for the efficient handling of large HTTP responses by reading the content in chunks, rather than loading the entire response body into memory at once. urllib3 can perform decoding or decompression based on the HTTP `Content-Encoding` header (e.g., `gzip`, `deflate`, `br`, or `zstd`). When using the streaming API, the library decompresses only the necessary bytes, enabling partial content consumption. Starting in version 1.22 and prior to version 2.6.3, for HTTP redirect responses, the library would read the entire response body to drain the connection and decompress the content unnecessarily. This decompression occurred even before any read methods were called, and configured read limits did not restrict the amount of decompressed data. As a result, there was no safeguard against decompression bombs. A malicious server could exploit this to trigger excessive resource consumption on the client. Applications and libraries are affected when they stream content from untrusted sources by setting `preload_content=False` when they do not disable redirects. Users should upgrade to at least urllib3 v2.6.3, in which the library does not decode content of redirect responses when `preload_content=False`. If upgrading is not immediately possible, disable redirects by setting `redirect=False` for requests to untrusted source.</p> https://cve.radiocsirt.org/vuln/fkie_cve-2026-21441 https://cve.radiocsirt.org/vuln/ghsa-38jv-5279-wg99 <p><strong>Affected:</strong> PyPI: urllib3</p> <p>### Impact</p> <p>urllib3&#39;s [streaming API](https://urllib3.readthedocs.io/en/2.6.2/advanced-usage.html#streaming-and-i-o) is designed for the efficient handling of large HTTP responses by reading the content in chunks, rather than loading the entire response body into memory at once.</p> <p>urllib3 can perform decoding or decompression based on the HTTP `Content-Encoding` header (e.g., `gzip`, `deflate`, `br`, or `zstd`). When using the streaming API, the library decompresses only the necessary bytes, enabling partial content consumption.</p> <p>However, for HTTP redirect responses, the library would read the entire response body to drain the connection and decompress the content unnecessarily. This decompression occurred even before any read methods were called, and configured read limits did not restrict the amount of decompressed data. As a result, there was no safeguard against decompression bombs. A malicious server could exploit this to trigger excessive resource consumption on the client (high CPU usage and large memory allocations for decompressed data; CWE-409).</p> <p>### Affected usages</p> <p>Applications and libraries using urllib3 version 2.6.2 and earlier to stream content from untrusted sources by setting `preload_content=False` when they do not disable redirects.</p> <p>### Remediation</p> <p>Upgrade to at least urllib3 v2.6.3 in which the library does not decode content of redirect responses when `preload_content=False`.</p> <p>If upgrading is not immediately possible, disable [redirects](https://urlli…</p> <p><strong>Affected:</strong> PyPI: urllib3</p> <p>### Impact</p> <p>urllib3&#39;s [streaming API](https://urllib3.readthedocs.io/en/2.6.2/advanced-usage.html#streaming-and-i-o) is designed for the efficient handling of large HTTP responses by reading the content in chunks, rather than loading the entire response body into memory at once.</p> <p>urllib3 can perform decoding or decompression based on the HTTP `Content-Encoding` header (e.g., `gzip`, `deflate`, `br`, or `zstd`). When using the streaming API, the library decompresses only the necessary bytes, enabling partial content consumption.</p> <p>However, for HTTP redirect responses, the library would read the entire response body to drain the connection and decompress the content unnecessarily. This decompression occurred even before any read methods were called, and configured read limits did not restrict the amount of decompressed data. As a result, there was no safeguard against decompression bombs. A malicious server could exploit this to trigger excessive resource consumption on the client (high CPU usage and large memory allocations for decompressed data; CWE-409).</p> <p>### Affected usages</p> <p>Applications and libraries using urllib3 version 2.6.2 and earlier to stream content from untrusted sources by setting `preload_content=False` when they do not disable redirects.</p> <p>### Remediation</p> <p>Upgrade to at least urllib3 v2.6.3 in which the library does not decode content of redirect responses when `preload_content=False`.</p> <p>If upgrading is not immediately possible, disable [redirects](https://urlli…</p> https://cve.radiocsirt.org/vuln/ghsa-38jv-5279-wg99 https://cve.radiocsirt.org/vuln/msrc_cve-2026-21441 msrc_CVE-2026-21441 https://cve.radiocsirt.org/vuln/msrc_cve-2026-21441 https://cve.radiocsirt.org/vuln/ncsc-2026-0258 NCSC-2026-0258 https://cve.radiocsirt.org/vuln/ncsc-2026-0258 https://cve.radiocsirt.org/vuln/oesa-2026-1287 <p><strong>Affected:</strong> openEuler:24.03-LTS-SP3: python-urllib3</p> <p>HTTP library with thread-safe connection pooling, file post support, sanity friendly, and more. Security Fix(es):</p> <p>urllib3 is an HTTP client library for Python. urllib3&amp;apos;s streaming API is designed for the efficient handling of large HTTP responses by reading the content in chunks, rather than loading the entire response body into memory at once. urllib3 can perform decoding or decompression based on the HTTP `Content-Encoding` header (e.g., `gzip`, `deflate`, `br`, or `zstd`). When using the streaming API, the library decompresses only the necessary bytes, enabling partial content consumption. Starting in version 1.22 and prior to version 2.6.3, for HTTP redirect responses, the library would read the entire response body to drain the connection and decompress the content unnecessarily. This decompression occurred even before any read methods were called, and configured read limits did not restrict the amount of decompressed data. As a result, there was no safeguard against decompression bombs. A malicious server could exploit this to trigger excessive resource consumption on the client. Applications and libraries are affected when they stream content from untrusted sources by setting `preload_content=False` when they do not disable redirects. Users should upgrade to at least urllib3 v2.6.3, in which the library does not decode content of redirect responses when `preload_content=False`. If upgrading is not immediately possible, disable redirects by setting `redirect=F…</p> <p><strong>Affected:</strong> openEuler:24.03-LTS-SP3: python-urllib3</p> <p>HTTP library with thread-safe connection pooling, file post support, sanity friendly, and more. Security Fix(es):</p> <p>urllib3 is an HTTP client library for Python. urllib3&amp;apos;s streaming API is designed for the efficient handling of large HTTP responses by reading the content in chunks, rather than loading the entire response body into memory at once. urllib3 can perform decoding or decompression based on the HTTP `Content-Encoding` header (e.g., `gzip`, `deflate`, `br`, or `zstd`). When using the streaming API, the library decompresses only the necessary bytes, enabling partial content consumption. Starting in version 1.22 and prior to version 2.6.3, for HTTP redirect responses, the library would read the entire response body to drain the connection and decompress the content unnecessarily. This decompression occurred even before any read methods were called, and configured read limits did not restrict the amount of decompressed data. As a result, there was no safeguard against decompression bombs. A malicious server could exploit this to trigger excessive resource consumption on the client. Applications and libraries are affected when they stream content from untrusted sources by setting `preload_content=False` when they do not disable redirects. Users should upgrade to at least urllib3 v2.6.3, in which the library does not decode content of redirect responses when `preload_content=False`. If upgrading is not immediately possible, disable redirects by setting `redirect=F…</p> https://cve.radiocsirt.org/vuln/oesa-2026-1287 https://cve.radiocsirt.org/vuln/opensuse-su-2026:10049-1 <p>python311-urllib3-2.6.3-1.1 on GA media</p> <p>python311-urllib3-2.6.3-1.1 on GA media</p> https://cve.radiocsirt.org/vuln/opensuse-su-2026:10049-1 https://cve.radiocsirt.org/vuln/pysec-2026-1996 <p><strong>Affected:</strong> PyPI: urllib3</p> <p>### Impact</p> <p>urllib3&#39;s [streaming API](https://urllib3.readthedocs.io/en/2.6.2/advanced-usage.html#streaming-and-i-o) is designed for the efficient handling of large HTTP responses by reading the content in chunks, rather than loading the entire response body into memory at once.</p> <p>urllib3 can perform decoding or decompression based on the HTTP `Content-Encoding` header (e.g., `gzip`, `deflate`, `br`, or `zstd`). When using the streaming API, the library decompresses only the necessary bytes, enabling partial content consumption.</p> <p>However, for HTTP redirect responses, the library would read the entire response body to drain the connection and decompress the content unnecessarily. This decompression occurred even before any read methods were called, and configured read limits did not restrict the amount of decompressed data. As a result, there was no safeguard against decompression bombs. A malicious server could exploit this to trigger excessive resource consumption on the client (high CPU usage and large memory allocations for decompressed data; CWE-409).</p> <p>### Affected usages</p> <p>Applications and libraries using urllib3 version 2.6.2 and earlier to stream content from untrusted sources by setting `preload_content=False` when they do not disable redirects.</p> <p>### Remediation</p> <p>Upgrade to at least urllib3 v2.6.3 in which the library does not decode content of redirect responses when `preload_content=False`.</p> <p>If upgrading is not immediately possible, disable [redirects](https://urlli…</p> <p><strong>Affected:</strong> PyPI: urllib3</p> <p>### Impact</p> <p>urllib3&#39;s [streaming API](https://urllib3.readthedocs.io/en/2.6.2/advanced-usage.html#streaming-and-i-o) is designed for the efficient handling of large HTTP responses by reading the content in chunks, rather than loading the entire response body into memory at once.</p> <p>urllib3 can perform decoding or decompression based on the HTTP `Content-Encoding` header (e.g., `gzip`, `deflate`, `br`, or `zstd`). When using the streaming API, the library decompresses only the necessary bytes, enabling partial content consumption.</p> <p>However, for HTTP redirect responses, the library would read the entire response body to drain the connection and decompress the content unnecessarily. This decompression occurred even before any read methods were called, and configured read limits did not restrict the amount of decompressed data. As a result, there was no safeguard against decompression bombs. A malicious server could exploit this to trigger excessive resource consumption on the client (high CPU usage and large memory allocations for decompressed data; CWE-409).</p> <p>### Affected usages</p> <p>Applications and libraries using urllib3 version 2.6.2 and earlier to stream content from untrusted sources by setting `preload_content=False` when they do not disable redirects.</p> <p>### Remediation</p> <p>Upgrade to at least urllib3 v2.6.3 in which the library does not decode content of redirect responses when `preload_content=False`.</p> <p>If upgrading is not immediately possible, disable [redirects](https://urlli…</p> https://cve.radiocsirt.org/vuln/pysec-2026-1996 https://cve.radiocsirt.org/vuln/rhsa-2026:0981 <p>crypto/x509: golang: Denial of Service due to excessive resource consumption via crafted certificate urllib3: urllib3 Streaming API improperly handles highly compressed data urllib3: urllib3 vulnerable to decompression-bomb safeguard bypass when following HTTP redirects (streaming API)</p> <p>crypto/x509: golang: Denial of Service due to excessive resource consumption via crafted certificate urllib3: urllib3 Streaming API improperly handles highly compressed data urllib3: urllib3 vulnerable to decompression-bomb safeguard bypass when following HTTP redirects (streaming API)</p> https://cve.radiocsirt.org/vuln/rhsa-2026:0981 https://cve.radiocsirt.org/vuln/suse-su-2026:1412-1 <p>Security update for python-urllib3</p> <p>Security update for python-urllib3</p> https://cve.radiocsirt.org/vuln/suse-su-2026:1412-1 https://cve.radiocsirt.org/vuln/ubuntu-cve-2026-21441 <p><strong>Affected:</strong> Ubuntu:Pro:18.04:LTS: python-urllib3, Ubuntu:Pro:18.04:LTS: python-pip, Ubuntu:Pro:20.04:LTS: python-urllib3, Ubuntu:22.04:LTS: python-urllib3, Ubuntu:Pro:22.04:LTS: python-pip, Ubuntu:24.04:LTS: python-urllib3, Ubuntu:Pro:24.04:LTS: python-pip, Ubuntu:25.10: python-pip, Ubuntu:25.10: python-urllib3, Ubuntu:Pro:26.04:LTS: python-pip</p> <p>urllib3 is an HTTP client library for Python. urllib3&#39;s streaming API is designed for the efficient handling of large HTTP responses by reading the content in chunks, rather than loading the entire response body into memory at once. urllib3 can perform decoding or decompression based on the HTTP `Content-Encoding` header (e.g., `gzip`, `deflate`, `br`, or `zstd`). When using the streaming API, the library decompresses only the necessary bytes, enabling partial content consumption. Starting in version 1.22 and prior to version 2.6.3, for HTTP redirect responses, the library would read the entire response body to drain the connection and decompress the content unnecessarily. This decompression occurred even before any read methods were called, and configured read limits did not restrict the amount of decompressed data. As a result, there was no safeguard against decompression bombs. A malicious server could exploit this to trigger excessive resource consumption on the client. Applications and libraries are affected when they stream content from untrusted sources by setting `preload_content=False` when they do not disable redirects. Users should upgrade to at least urllib3 v2.6.3, in which the library does not decode content of redirect responses when `preload_content=False`. If upgrading is not immediately possible, disable redirects by setting `redirect=False` for requests to untrusted source.</p> <p><strong>Affected:</strong> Ubuntu:Pro:18.04:LTS: python-urllib3, Ubuntu:Pro:18.04:LTS: python-pip, Ubuntu:Pro:20.04:LTS: python-urllib3, Ubuntu:22.04:LTS: python-urllib3, Ubuntu:Pro:22.04:LTS: python-pip, Ubuntu:24.04:LTS: python-urllib3, Ubuntu:Pro:24.04:LTS: python-pip, Ubuntu:25.10: python-pip, Ubuntu:25.10: python-urllib3, Ubuntu:Pro:26.04:LTS: python-pip</p> <p>urllib3 is an HTTP client library for Python. urllib3&#39;s streaming API is designed for the efficient handling of large HTTP responses by reading the content in chunks, rather than loading the entire response body into memory at once. urllib3 can perform decoding or decompression based on the HTTP `Content-Encoding` header (e.g., `gzip`, `deflate`, `br`, or `zstd`). When using the streaming API, the library decompresses only the necessary bytes, enabling partial content consumption. Starting in version 1.22 and prior to version 2.6.3, for HTTP redirect responses, the library would read the entire response body to drain the connection and decompress the content unnecessarily. This decompression occurred even before any read methods were called, and configured read limits did not restrict the amount of decompressed data. As a result, there was no safeguard against decompression bombs. A malicious server could exploit this to trigger excessive resource consumption on the client. Applications and libraries are affected when they stream content from untrusted sources by setting `preload_content=False` when they do not disable redirects. Users should upgrade to at least urllib3 v2.6.3, in which the library does not decode content of redirect responses when `preload_content=False`. If upgrading is not immediately possible, disable redirects by setting `redirect=False` for requests to untrusted source.</p> https://cve.radiocsirt.org/vuln/ubuntu-cve-2026-21441 https://cve.radiocsirt.org/vuln/wid-sec-w-2026-0207 <p>Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in Red Hat Enterprise Linux ausnutzen, um einen Denial of Service Angriff durchzuführen.</p> <p>Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in Red Hat Enterprise Linux ausnutzen, um einen Denial of Service Angriff durchzuführen.</p> https://cve.radiocsirt.org/vuln/wid-sec-w-2026-0207