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    18 vulnerabilities by python_software_foundation

    CVE-2024-12254 (GCVE-0-2024-12254)

    Vulnerability from nvd – Published: 2024-12-06 15:19 – Updated: 2026-07-31 14:08
    VLAI
    Title
    Unbounded memory buffering in SelectorSocketTransport.writelines()
    Summary
    Starting in Python 3.12.0, the asyncio._SelectorSocketTransport.writelines() method would not "pause" writing and signal to the Protocol to drain the buffer to the wire once the write buffer reached the "high-water mark". Because of this, Protocols would not periodically drain the write buffer potentially leading to memory exhaustion. This vulnerability likely impacts a small number of users, you must be using Python 3.12.0 or later, on macOS or Linux, using the asyncio module with protocols, and using .writelines() method which had new zero-copy-on-write behavior in Python 3.12.0 and later. If not all of these factors are true then your usage of Python is unaffected.
    SSVC
    Exploitation: none Automatable: yes Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2024-12-06 15:35 UTC
    CWE
    • CWE-400 - Uncontrolled Resource Consumption
    • CWE-770 - Allocation of Resources Without Limits or Throttling
    Impacted products
    Vendor Product Version
    Python Software Foundation CPython Affected: 0 , < 3.12.9 (python)
    Affected: 3.13.0 , < 3.13.2 (python)
    Affected: 3.14.0a1 , < 3.14.0a3 (python)
    Create a notification for this product.
    python_software_foundation cpython Affected: 3.12.0 , < 3.14.0a1 (python)
        cpe:2.3:a:python_software_foundation:cpython:*:*:*:*:*:*:*:*
    Create a notification for this product.
    Show details on NVD website

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    CVE-2024-11168 (GCVE-0-2024-11168)

    Vulnerability from nvd – Published: 2024-11-12 21:22 – Updated: 2025-11-03 21:51
    VLAI
    Title
    Improper validation of IPv6 and IPvFuture addresses
    Summary
    The urllib.parse.urlsplit() and urlparse() functions improperly validated bracketed hosts (`[]`), allowing hosts that weren't IPv6 or IPvFuture. This behavior was not conformant to RFC 3986 and potentially enabled SSRF if a URL is processed by more than one URL parser.
    SSVC
    Exploitation: none Automatable: yes Technical Impact: total
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2024-11-13 15:09 UTC
    CWE
    • CWE-918 - Server-Side Request Forgery (SSRF)
    Impacted products
    Vendor Product Version
    Python Software Foundation CPython Affected: 0 , < 3.9.21 (python)
    Affected: 3.10.0 , < 3.10.16 (python)
    Affected: 3.11.0 , < 3.11.4 (python)
    Affected: 3.12.0a1 , < 3.12.0b1 (python)
    Create a notification for this product.
    python_software_foundation cpython Affected: 0 , < 3.11.4 (custom)
    Affected: 3.12.0a1 , < 3.12.0b1 (custom)
        cpe:2.3:a:python_software_foundation:cpython:*:*:*:*:*:*:*:*
    Create a notification for this product.
    Show details on NVD website

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    CVE-2024-8088 (GCVE-0-2024-8088)

    Vulnerability from nvd – Published: 2024-08-22 18:45 – Updated: 2025-11-03 22:32
    VLAI
    Title
    Infinite loop when iterating over zip archive entry names from zipfile.Path
    Summary
    There is a HIGH severity vulnerability affecting the CPython "zipfile" module affecting "zipfile.Path". Note that the more common API "zipfile.ZipFile" class is unaffected. When iterating over names of entries in a zip archive (for example, methods of "zipfile.Path" like "namelist()", "iterdir()", etc) the process can be put into an infinite loop with a maliciously crafted zip archive. This defect applies when reading only metadata or extracting the contents of the zip archive. Programs that are not handling user-controlled zip archives are not affected.
    SSVC
    Exploitation: none Automatable: yes Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2024-08-23 17:18 UTC
    CWE
    • CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')
    Impacted products
    Vendor Product Version
    Python Software Foundation CPython Affected: 0 , < 3.8.20 (python)
    Affected: 3.9.0 , < 3.9.20 (python)
    Affected: 3.10.0 , < 3.10.15 (python)
    Affected: 3.11.0 , < 3.11.10 (python)
    Affected: 3.12.0 , < 3.12.6 (python)
    Affected: 3.13.0a1 , < 3.13.0rc2 (python)
    Create a notification for this product.
    python_software_foundation cpython Affected: 0 , ≤ 3.13.0 (custom)
        cpe:2.3:a:python_software_foundation:cpython:*:*:*:*:*:*:*:*
    Create a notification for this product.
    Show details on NVD website

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    CVE-2024-0397 (GCVE-0-2024-0397)

    Vulnerability from nvd – Published: 2024-06-17 15:09 – Updated: 2025-11-03 21:50
    VLAI
    Title
    Memory race condition in ssl.SSLContext certificate store methods
    Summary
    A defect was discovered in the Python “ssl” module where there is a memory race condition with the ssl.SSLContext methods “cert_store_stats()” and “get_ca_certs()”. The race condition can be triggered if the methods are called at the same time as certificates are loaded into the SSLContext, such as during the TLS handshake with a certificate directory configured. This issue is fixed in CPython 3.10.14, 3.11.9, 3.12.3, and 3.13.0a5.
    SSVC
    Exploitation: none Automatable: no Technical Impact: total
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2024-06-20 15:52 UTC
    CWE
    • CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
    Impacted products
    Vendor Product Version
    Python Software Foundation CPython Affected: 0 , < 3.8.20 (python)
    Affected: 3.9.0 , < 3.9.20 (python)
    Affected: 3.10.0 , < 3.10.14 (python)
    Affected: 3.11.0 , < 3.11.9 (python)
    Affected: 3.12.0 , < 3.12.3 (python)
    Affected: 3.13.0a1 , < 3.13.0a5 (python)
    Create a notification for this product.
    python_software_foundation cpython Affected: 0 , < 3.8.20 (python)
    Affected: 3.9.0 , < 3.9.20 (python)
    Affected: 3.10.0 , < 3.10.14 (python)
    Affected: 3.11.0 , < 3.11.9 (python)
    Affected: 3.12.0 , < 3.12.3 (python)
    Affected: 3.13.0a1 , < 3.13.0a5 (python)
        cpe:2.3:a:python_software_foundation:cpython:*:*:*:*:*:*:*:*
    Create a notification for this product.
    Show details on NVD website

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    CVE-2023-6597 (GCVE-0-2023-6597)

    Vulnerability from nvd – Published: 2024-03-19 15:44 – Updated: 2025-11-03 21:50
    VLAI
    Summary
    An issue was found in the CPython `tempfile.TemporaryDirectory` class affecting versions 3.12.1, 3.11.7, 3.10.13, 3.9.18, and 3.8.18 and prior. The tempfile.TemporaryDirectory class would dereference symlinks during cleanup of permissions-related errors. This means users which can run privileged programs are potentially able to modify permissions of files referenced by symlinks in some circumstances.
    SSVC
    Exploitation: none Automatable: no Technical Impact: total
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2024-11-05 19:08 UTC
    Impacted products
    Vendor Product Version
    Python Software Foundation CPython Affected: 0 , < 3.8.19 (python)
    Affected: 3.9.0 , < 3.9.19 (python)
    Affected: 3.10.0 , < 3.10.14 (python)
    Affected: 3.11.0 , < 3.11.8 (python)
    Affected: 3.12.0 , < 3.12.1 (python)
    Affected: 3.13.0a1 , < 3.13.0a3 (python)
    Create a notification for this product.
    python_software_foundation cpython Affected: 0 , < 3.8.19 (custom)
    Affected: 3.9.0 , < 3.9.19 (custom)
    Affected: 3.10.0 , < 3.10.14 (custom)
    Affected: 3.11.0 , < 3.11.8 (custom)
    Affected: 3.12.0 , < 3.12.1 (custom)
    Affected: 3.13.0a1 , < 3.13.0a3 (custom)
        cpe:2.3:a:python_software_foundation:cpython:*:*:*:*:*:*:*:*
    Create a notification for this product.
    Show details on NVD website

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    CVE-2024-21503 (GCVE-0-2024-21503)

    Vulnerability from nvd – Published: 2024-03-19 05:00 – Updated: 2024-08-01 22:20
    VLAI
    Summary
    Versions of the package black before 24.3.0 are vulnerable to Regular Expression Denial of Service (ReDoS) via the lines_with_leading_tabs_expanded function in the strings.py file. An attacker could exploit this vulnerability by crafting a malicious input that causes a denial of service. Exploiting this vulnerability is possible when running Black on untrusted input, or if you habitually put thousands of leading tab characters in your docstrings.
    SSVC
    Exploitation: poc Automatable: yes Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2024-03-19 13:35 UTC
    CWE
    • CWE-1333 - Regular Expression Denial of Service (ReDoS)
    • CWE-75 - Failure to Sanitize Special Elements into a Different Plane (Special Element Injection)
    Impacted products
    Vendor Product Version
    n/a black Affected: 0 , < 24.3.0 (semver)
    python_software_foundation black Affected: 0 , < 24.3.0 (custom)
        cpe:2.3:a:python_software_foundation:black:*:*:*:*:*:*:*:*
    Create a notification for this product.
    Show details on NVD website

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    CVE-2008-4108 (GCVE-0-2008-4108)

    Vulnerability from nvd – Published: 2008-09-18 17:47 – Updated: 2024-08-07 10:00
    VLAI
    Summary
    Tools/faqwiz/move-faqwiz.sh (aka the generic FAQ wizard moving tool) in Python 2.4.5 might allow local users to overwrite arbitrary files via a symlink attack on a tmp$RANDOM.tmp temporary file. NOTE: there may not be common usage scenarios in which tmp$RANDOM.tmp is located in an untrusted directory.
    Severity
    No CVSS data available.
    CWE
    • n/a
    Date Public
    2008-09-15 00:00
    Show details on NVD website

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    CVE-2008-0299 (GCVE-0-2008-0299)

    Vulnerability from nvd – Published: 2008-01-16 22:00 – Updated: 2024-08-07 07:39
    VLAI
    Summary
    common.py in Paramiko 1.7.1 and earlier, when using threads or forked processes, does not properly use RandomPool, which allows one session to obtain sensitive information from another session by predicting the state of the pool.
    Severity
    No CVSS data available.
    CWE
    • n/a
    References
    Date Public
    2008-01-14 00:00
    Show details on NVD website

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    CVE-2007-1657 (GCVE-0-2007-1657)

    Vulnerability from nvd – Published: 2007-03-24 01:00 – Updated: 2024-08-07 13:06
    VLAI
    Summary
    Stack-based buffer overflow in the file_compress function in minigzip (Modules/zlib) in Python 2.5 allows context-dependent attackers to execute arbitrary code via a long file argument.
    Severity
    No CVSS data available.
    CWE
    • n/a
    References
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    http://attrition.org/pipermail/vim/2007-March/001… mailing-listx_refsource_VIM
    http://osvdb.org/43550 vdb-entryx_refsource_OSVDB
    http://www.securityfocus.com/bid/22964 vdb-entryx_refsource_BID
    Date Public
    2007-03-14 00:00
    Show details on NVD website

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    CVE-2024-12254 (GCVE-0-2024-12254)

    Vulnerability from cvelistv5 – Published: 2024-12-06 15:19 – Updated: 2026-07-31 14:08
    VLAI
    Title
    Unbounded memory buffering in SelectorSocketTransport.writelines()
    Summary
    Starting in Python 3.12.0, the asyncio._SelectorSocketTransport.writelines() method would not "pause" writing and signal to the Protocol to drain the buffer to the wire once the write buffer reached the "high-water mark". Because of this, Protocols would not periodically drain the write buffer potentially leading to memory exhaustion. This vulnerability likely impacts a small number of users, you must be using Python 3.12.0 or later, on macOS or Linux, using the asyncio module with protocols, and using .writelines() method which had new zero-copy-on-write behavior in Python 3.12.0 and later. If not all of these factors are true then your usage of Python is unaffected.
    SSVC
    Exploitation: none Automatable: yes Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2024-12-06 15:35 UTC
    CWE
    • CWE-400 - Uncontrolled Resource Consumption
    • CWE-770 - Allocation of Resources Without Limits or Throttling
    Impacted products
    Vendor Product Version
    Python Software Foundation CPython Affected: 0 , < 3.12.9 (python)
    Affected: 3.13.0 , < 3.13.2 (python)
    Affected: 3.14.0a1 , < 3.14.0a3 (python)
    Create a notification for this product.
    python_software_foundation cpython Affected: 3.12.0 , < 3.14.0a1 (python)
        cpe:2.3:a:python_software_foundation:cpython:*:*:*:*:*:*:*:*
    Create a notification for this product.
    Show details on NVD website

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    CVE-2024-11168 (GCVE-0-2024-11168)

    Vulnerability from cvelistv5 – Published: 2024-11-12 21:22 – Updated: 2025-11-03 21:51
    VLAI
    Title
    Improper validation of IPv6 and IPvFuture addresses
    Summary
    The urllib.parse.urlsplit() and urlparse() functions improperly validated bracketed hosts (`[]`), allowing hosts that weren't IPv6 or IPvFuture. This behavior was not conformant to RFC 3986 and potentially enabled SSRF if a URL is processed by more than one URL parser.
    SSVC
    Exploitation: none Automatable: yes Technical Impact: total
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2024-11-13 15:09 UTC
    CWE
    • CWE-918 - Server-Side Request Forgery (SSRF)
    Impacted products
    Vendor Product Version
    Python Software Foundation CPython Affected: 0 , < 3.9.21 (python)
    Affected: 3.10.0 , < 3.10.16 (python)
    Affected: 3.11.0 , < 3.11.4 (python)
    Affected: 3.12.0a1 , < 3.12.0b1 (python)
    Create a notification for this product.
    python_software_foundation cpython Affected: 0 , < 3.11.4 (custom)
    Affected: 3.12.0a1 , < 3.12.0b1 (custom)
        cpe:2.3:a:python_software_foundation:cpython:*:*:*:*:*:*:*:*
    Create a notification for this product.
    Show details on NVD website

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    CVE-2024-8088 (GCVE-0-2024-8088)

    Vulnerability from cvelistv5 – Published: 2024-08-22 18:45 – Updated: 2025-11-03 22:32
    VLAI
    Title
    Infinite loop when iterating over zip archive entry names from zipfile.Path
    Summary
    There is a HIGH severity vulnerability affecting the CPython "zipfile" module affecting "zipfile.Path". Note that the more common API "zipfile.ZipFile" class is unaffected. When iterating over names of entries in a zip archive (for example, methods of "zipfile.Path" like "namelist()", "iterdir()", etc) the process can be put into an infinite loop with a maliciously crafted zip archive. This defect applies when reading only metadata or extracting the contents of the zip archive. Programs that are not handling user-controlled zip archives are not affected.
    SSVC
    Exploitation: none Automatable: yes Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2024-08-23 17:18 UTC
    CWE
    • CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')
    Impacted products
    Vendor Product Version
    Python Software Foundation CPython Affected: 0 , < 3.8.20 (python)
    Affected: 3.9.0 , < 3.9.20 (python)
    Affected: 3.10.0 , < 3.10.15 (python)
    Affected: 3.11.0 , < 3.11.10 (python)
    Affected: 3.12.0 , < 3.12.6 (python)
    Affected: 3.13.0a1 , < 3.13.0rc2 (python)
    Create a notification for this product.
    python_software_foundation cpython Affected: 0 , ≤ 3.13.0 (custom)
        cpe:2.3:a:python_software_foundation:cpython:*:*:*:*:*:*:*:*
    Create a notification for this product.
    Show details on NVD website

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    CVE-2024-0397 (GCVE-0-2024-0397)

    Vulnerability from cvelistv5 – Published: 2024-06-17 15:09 – Updated: 2025-11-03 21:50
    VLAI
    Title
    Memory race condition in ssl.SSLContext certificate store methods
    Summary
    A defect was discovered in the Python “ssl” module where there is a memory race condition with the ssl.SSLContext methods “cert_store_stats()” and “get_ca_certs()”. The race condition can be triggered if the methods are called at the same time as certificates are loaded into the SSLContext, such as during the TLS handshake with a certificate directory configured. This issue is fixed in CPython 3.10.14, 3.11.9, 3.12.3, and 3.13.0a5.
    SSVC
    Exploitation: none Automatable: no Technical Impact: total
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2024-06-20 15:52 UTC
    CWE
    • CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
    Impacted products
    Vendor Product Version
    Python Software Foundation CPython Affected: 0 , < 3.8.20 (python)
    Affected: 3.9.0 , < 3.9.20 (python)
    Affected: 3.10.0 , < 3.10.14 (python)
    Affected: 3.11.0 , < 3.11.9 (python)
    Affected: 3.12.0 , < 3.12.3 (python)
    Affected: 3.13.0a1 , < 3.13.0a5 (python)
    Create a notification for this product.
    python_software_foundation cpython Affected: 0 , < 3.8.20 (python)
    Affected: 3.9.0 , < 3.9.20 (python)
    Affected: 3.10.0 , < 3.10.14 (python)
    Affected: 3.11.0 , < 3.11.9 (python)
    Affected: 3.12.0 , < 3.12.3 (python)
    Affected: 3.13.0a1 , < 3.13.0a5 (python)
        cpe:2.3:a:python_software_foundation:cpython:*:*:*:*:*:*:*:*
    Create a notification for this product.
    Show details on NVD website

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    CVE-2023-6597 (GCVE-0-2023-6597)

    Vulnerability from cvelistv5 – Published: 2024-03-19 15:44 – Updated: 2025-11-03 21:50
    VLAI
    Summary
    An issue was found in the CPython `tempfile.TemporaryDirectory` class affecting versions 3.12.1, 3.11.7, 3.10.13, 3.9.18, and 3.8.18 and prior. The tempfile.TemporaryDirectory class would dereference symlinks during cleanup of permissions-related errors. This means users which can run privileged programs are potentially able to modify permissions of files referenced by symlinks in some circumstances.
    SSVC
    Exploitation: none Automatable: no Technical Impact: total
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2024-11-05 19:08 UTC
    Impacted products
    Vendor Product Version
    Python Software Foundation CPython Affected: 0 , < 3.8.19 (python)
    Affected: 3.9.0 , < 3.9.19 (python)
    Affected: 3.10.0 , < 3.10.14 (python)
    Affected: 3.11.0 , < 3.11.8 (python)
    Affected: 3.12.0 , < 3.12.1 (python)
    Affected: 3.13.0a1 , < 3.13.0a3 (python)
    Create a notification for this product.
    python_software_foundation cpython Affected: 0 , < 3.8.19 (custom)
    Affected: 3.9.0 , < 3.9.19 (custom)
    Affected: 3.10.0 , < 3.10.14 (custom)
    Affected: 3.11.0 , < 3.11.8 (custom)
    Affected: 3.12.0 , < 3.12.1 (custom)
    Affected: 3.13.0a1 , < 3.13.0a3 (custom)
        cpe:2.3:a:python_software_foundation:cpython:*:*:*:*:*:*:*:*
    Create a notification for this product.
    Show details on NVD website

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    CVE-2024-21503 (GCVE-0-2024-21503)

    Vulnerability from cvelistv5 – Published: 2024-03-19 05:00 – Updated: 2024-08-01 22:20
    VLAI
    Summary
    Versions of the package black before 24.3.0 are vulnerable to Regular Expression Denial of Service (ReDoS) via the lines_with_leading_tabs_expanded function in the strings.py file. An attacker could exploit this vulnerability by crafting a malicious input that causes a denial of service. Exploiting this vulnerability is possible when running Black on untrusted input, or if you habitually put thousands of leading tab characters in your docstrings.
    SSVC
    Exploitation: poc Automatable: yes Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2024-03-19 13:35 UTC
    CWE
    • CWE-1333 - Regular Expression Denial of Service (ReDoS)
    • CWE-75 - Failure to Sanitize Special Elements into a Different Plane (Special Element Injection)
    Impacted products
    Vendor Product Version
    n/a black Affected: 0 , < 24.3.0 (semver)
    python_software_foundation black Affected: 0 , < 24.3.0 (custom)
        cpe:2.3:a:python_software_foundation:black:*:*:*:*:*:*:*:*
    Create a notification for this product.
    Show details on NVD website

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    CVE-2008-4108 (GCVE-0-2008-4108)

    Vulnerability from cvelistv5 – Published: 2008-09-18 17:47 – Updated: 2024-08-07 10:00
    VLAI
    Summary
    Tools/faqwiz/move-faqwiz.sh (aka the generic FAQ wizard moving tool) in Python 2.4.5 might allow local users to overwrite arbitrary files via a symlink attack on a tmp$RANDOM.tmp temporary file. NOTE: there may not be common usage scenarios in which tmp$RANDOM.tmp is located in an untrusted directory.
    Severity
    No CVSS data available.
    CWE
    • n/a
    Date Public
    2008-09-15 00:00
    Show details on NVD website

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    CVE-2008-0299 (GCVE-0-2008-0299)

    Vulnerability from cvelistv5 – Published: 2008-01-16 22:00 – Updated: 2024-08-07 07:39
    VLAI
    Summary
    common.py in Paramiko 1.7.1 and earlier, when using threads or forked processes, does not properly use RandomPool, which allows one session to obtain sensitive information from another session by predicting the state of the pool.
    Severity
    No CVSS data available.
    CWE
    • n/a
    References
    Date Public
    2008-01-14 00:00
    Show details on NVD website

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    CVE-2007-1657 (GCVE-0-2007-1657)

    Vulnerability from cvelistv5 – Published: 2007-03-24 01:00 – Updated: 2024-08-07 13:06
    VLAI
    Summary
    Stack-based buffer overflow in the file_compress function in minigzip (Modules/zlib) in Python 2.5 allows context-dependent attackers to execute arbitrary code via a long file argument.
    Severity
    No CVSS data available.
    CWE
    • n/a
    References
    URL Tags
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    http://attrition.org/pipermail/vim/2007-March/001… mailing-listx_refsource_VIM
    http://osvdb.org/43550 vdb-entryx_refsource_OSVDB
    http://www.securityfocus.com/bid/22964 vdb-entryx_refsource_BID
    Date Public
    2007-03-14 00:00
    Show details on NVD website

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