https://cve.radiocsirt.org Contains only the most 10 recent entries. http://www.rssboard.org/rss-specification python-feedgen en Sat, 03 Oct 2026 08:10:17 +0000 https://cve.radiocsirt.org/vuln/bell-cve-2026-57236 <p><strong>Affected:</strong> Alpaquita:stream: ruby-nokogiri</p> <p><strong>Affected:</strong> Alpaquita:stream: ruby-nokogiri</p> https://cve.radiocsirt.org/vuln/bell-cve-2026-57236 https://cve.radiocsirt.org/vuln/brew-mikutter-cve-2026-57236 <p><strong>Affected:</strong> Homebrew: mikutter</p> <p>### Summary</p> <p>Calling `Document#encoding=` with an invalid encoding (e.g., a non-string, or a string containing a null byte) raises an exception, but only after freeing the document&#39;s current encoding string without replacing it. The document is left referencing freed memory, so the next call to `Document#encoding` reads invalid memory, which can cause a segfault or leak freed bytes into a Ruby `String`.</p> <p>Affects the CRuby (libxml2) implementation only; JRuby is not affected.</p> <p>### Severity</p> <p>The Nokogiri maintainers have evaluated this as low severity. Reaching it requires an unusual API-usage pattern that does not arise during normal use. The application must pass an invalid encoding to `Document#encoding=`, rescue the resulting exception, and then continue using the same document. Nokogiri 1.19.4 makes this pattern safe with no change to the public API. The document no longer references freed memory after the exception is raised.</p> <p>### Mitigation</p> <p>Upgrade to Nokogiri 1.19.4 or later.</p> <p>If users are unable to upgrade, avoid passing attacker-controlled values to `Document#encoding=`. Applications that only assign developer-authored encodings are not directly exposed.</p> <p>### Credit</p> <p>This issue was responsibly reported by Zheng Yu from depthfirst.com.</p> <p><strong>Affected:</strong> Homebrew: mikutter</p> <p>### Summary</p> <p>Calling `Document#encoding=` with an invalid encoding (e.g., a non-string, or a string containing a null byte) raises an exception, but only after freeing the document&#39;s current encoding string without replacing it. The document is left referencing freed memory, so the next call to `Document#encoding` reads invalid memory, which can cause a segfault or leak freed bytes into a Ruby `String`.</p> <p>Affects the CRuby (libxml2) implementation only; JRuby is not affected.</p> <p>### Severity</p> <p>The Nokogiri maintainers have evaluated this as low severity. Reaching it requires an unusual API-usage pattern that does not arise during normal use. The application must pass an invalid encoding to `Document#encoding=`, rescue the resulting exception, and then continue using the same document. Nokogiri 1.19.4 makes this pattern safe with no change to the public API. The document no longer references freed memory after the exception is raised.</p> <p>### Mitigation</p> <p>Upgrade to Nokogiri 1.19.4 or later.</p> <p>If users are unable to upgrade, avoid passing attacker-controlled values to `Document#encoding=`. Applications that only assign developer-authored encodings are not directly exposed.</p> <p>### Credit</p> <p>This issue was responsibly reported by Zheng Yu from depthfirst.com.</p> https://cve.radiocsirt.org/vuln/brew-mikutter-cve-2026-57236 https://cve.radiocsirt.org/vuln/euvd-2026-330307 EUVD-2026-330307 https://cve.radiocsirt.org/vuln/euvd-2026-330307 https://cve.radiocsirt.org/vuln/fkie_cve-2026-57236 <p>Nokogiri is an open source XML and HTML library for the Ruby programming language. Prior to 1.19.4, calling Document#encoding= with an invalid encoding (e.g., a non-string, or a string containing a null byte) raises an exception, but only after freeing the document&#39;s current encoding string without replacing it. The document is left referencing freed memory, so the next call to Document#encoding reads invalid memory, which can cause a segfault or leak freed bytes into a Ruby String. Affects the CRuby (libxml2) implementation only; JRuby is not affected. This vulnerability is fixed in 1.19.4.</p> <p>Nokogiri is an open source XML and HTML library for the Ruby programming language. Prior to 1.19.4, calling Document#encoding= with an invalid encoding (e.g., a non-string, or a string containing a null byte) raises an exception, but only after freeing the document&#39;s current encoding string without replacing it. The document is left referencing freed memory, so the next call to Document#encoding reads invalid memory, which can cause a segfault or leak freed bytes into a Ruby String. Affects the CRuby (libxml2) implementation only; JRuby is not affected. This vulnerability is fixed in 1.19.4.</p> https://cve.radiocsirt.org/vuln/fkie_cve-2026-57236 https://cve.radiocsirt.org/vuln/ghsa-5v8h-3h3q-446p <p><strong>Affected:</strong> RubyGems: nokogiri</p> <p>### Summary</p> <p>Calling `Document#encoding=` with an invalid encoding (e.g., a non-string, or a string containing a null byte) raises an exception, but only after freeing the document&#39;s current encoding string without replacing it. The document is left referencing freed memory, so the next call to `Document#encoding` reads invalid memory, which can cause a segfault or leak freed bytes into a Ruby `String`.</p> <p>Affects the CRuby (libxml2) implementation only; JRuby is not affected.</p> <p>### Severity</p> <p>The Nokogiri maintainers have evaluated this as low severity. Reaching it requires an unusual API-usage pattern that does not arise during normal use. The application must pass an invalid encoding to `Document#encoding=`, rescue the resulting exception, and then continue using the same document. Nokogiri 1.19.4 makes this pattern safe with no change to the public API. The document no longer references freed memory after the exception is raised.</p> <p>### Mitigation</p> <p>Upgrade to Nokogiri 1.19.4 or later.</p> <p>If users are unable to upgrade, avoid passing attacker-controlled values to `Document#encoding=`. Applications that only assign developer-authored encodings are not directly exposed.</p> <p>### Credit</p> <p>This issue was responsibly reported by Zheng Yu from depthfirst.com.</p> <p><strong>Affected:</strong> RubyGems: nokogiri</p> <p>### Summary</p> <p>Calling `Document#encoding=` with an invalid encoding (e.g., a non-string, or a string containing a null byte) raises an exception, but only after freeing the document&#39;s current encoding string without replacing it. The document is left referencing freed memory, so the next call to `Document#encoding` reads invalid memory, which can cause a segfault or leak freed bytes into a Ruby `String`.</p> <p>Affects the CRuby (libxml2) implementation only; JRuby is not affected.</p> <p>### Severity</p> <p>The Nokogiri maintainers have evaluated this as low severity. Reaching it requires an unusual API-usage pattern that does not arise during normal use. The application must pass an invalid encoding to `Document#encoding=`, rescue the resulting exception, and then continue using the same document. Nokogiri 1.19.4 makes this pattern safe with no change to the public API. The document no longer references freed memory after the exception is raised.</p> <p>### Mitigation</p> <p>Upgrade to Nokogiri 1.19.4 or later.</p> <p>If users are unable to upgrade, avoid passing attacker-controlled values to `Document#encoding=`. Applications that only assign developer-authored encodings are not directly exposed.</p> <p>### Credit</p> <p>This issue was responsibly reported by Zheng Yu from depthfirst.com.</p> https://cve.radiocsirt.org/vuln/ghsa-5v8h-3h3q-446p https://cve.radiocsirt.org/vuln/msrc_cve-2026-57236 msrc_CVE-2026-57236 https://cve.radiocsirt.org/vuln/msrc_cve-2026-57236 https://cve.radiocsirt.org/vuln/rhsa-2026:50221 <p>org.eclipse.jetty/jetty-http: HTTP request smuggling via chunked extension quoted-string parsing katello: missing repository authorization in content_uploads exposes cross-product content existence python-pillow: Pillow: Denial of Service via crafted PCF font data python-pillow: Pillow: Denial of Service via excessive memory allocation when processing font files faraday: Faraday: Denial of Service via crafted nested query strings python-pillow: Pillow: Denial of Service via crafted BDF font file python-pillow: Pillow: Denial of Service via crafted GD 2.x image file nokogiri: Nokogiri: Denial of Service or Information Disclosure via invalid encoding handling</p> <p>org.eclipse.jetty/jetty-http: HTTP request smuggling via chunked extension quoted-string parsing katello: missing repository authorization in content_uploads exposes cross-product content existence python-pillow: Pillow: Denial of Service via crafted PCF font data python-pillow: Pillow: Denial of Service via excessive memory allocation when processing font files faraday: Faraday: Denial of Service via crafted nested query strings python-pillow: Pillow: Denial of Service via crafted BDF font file python-pillow: Pillow: Denial of Service via crafted GD 2.x image file nokogiri: Nokogiri: Denial of Service or Information Disclosure via invalid encoding handling</p> https://cve.radiocsirt.org/vuln/rhsa-2026:50221 https://cve.radiocsirt.org/vuln/ubuntu-cve-2026-57236 <p><strong>Affected:</strong> Ubuntu:Pro:14.04:LTS: ruby-nokogiri, Ubuntu:16.04:LTS: ruby-nokogiri, Ubuntu:18.04:LTS: ruby-nokogiri, Ubuntu:Pro:20.04:LTS: ruby-nokogiri, Ubuntu:Pro:22.04:LTS: ruby-nokogiri, Ubuntu:24.04:LTS: ruby-nokogiri, Ubuntu:25.10: ruby-nokogiri, Ubuntu:26.04:LTS: ruby-nokogiri</p> <p>Nokogiri is an open source XML and HTML library for the Ruby programming language. Prior to 1.19.4, calling Document#encoding= with an invalid encoding (e.g., a non-string, or a string containing a null byte) raises an exception, but only after freeing the document&#39;s current encoding string without replacing it. The document is left referencing freed memory, so the next call to Document#encoding reads invalid memory, which can cause a segfault or leak freed bytes into a Ruby String. Affects the CRuby (libxml2) implementation only; JRuby is not affected. This vulnerability is fixed in 1.19.4.</p> <p><strong>Affected:</strong> Ubuntu:Pro:14.04:LTS: ruby-nokogiri, Ubuntu:16.04:LTS: ruby-nokogiri, Ubuntu:18.04:LTS: ruby-nokogiri, Ubuntu:Pro:20.04:LTS: ruby-nokogiri, Ubuntu:Pro:22.04:LTS: ruby-nokogiri, Ubuntu:24.04:LTS: ruby-nokogiri, Ubuntu:25.10: ruby-nokogiri, Ubuntu:26.04:LTS: ruby-nokogiri</p> <p>Nokogiri is an open source XML and HTML library for the Ruby programming language. Prior to 1.19.4, calling Document#encoding= with an invalid encoding (e.g., a non-string, or a string containing a null byte) raises an exception, but only after freeing the document&#39;s current encoding string without replacing it. The document is left referencing freed memory, so the next call to Document#encoding reads invalid memory, which can cause a segfault or leak freed bytes into a Ruby String. Affects the CRuby (libxml2) implementation only; JRuby is not affected. This vulnerability is fixed in 1.19.4.</p> https://cve.radiocsirt.org/vuln/ubuntu-cve-2026-57236