CVE-2026-57236

A flaw was found in Nokogiri, an XML and HTML library for Ruby. When an attacker provides an invalid encoding to the Documentencoding= function, the library frees the document's current encoding string without replacing it. This leaves the document referencing freed memory, which can lead to a...

CVE-2026-57236

Nokogiri is an open source XML and HTML library for the Ruby programming language. Prior to 1.19.4, calling Documentencoding= 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's current encoding string without...

CVE-2026-57236 Nokogiri: Possible Use-After-Free when `Nokogiri::XML::Document#encoding=` raises an exception

Nokogiri is an open source XML and HTML library for the Ruby programming language. Prior to 1.19.4, calling Documentencoding= 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's current encoding string without...

CVE-2026-57236

CVE-2026-57236 affects Nokogiri (Ruby) with the CRuby/libxml2 backend. Prior to 1.19.4, calling Document#encoding= with an invalid encoding (e.g., non-string or null byte) frees the current encoding string but does not replace it, leaving the document referencing freed memory. The next call to Do...

GHSA-5V8H-3H3Q-446P Nokogiri: Possible Use-After-Free when `Nokogiri::XML::Document#encoding=` raises an exception

Summary Calling Documentencoding= 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's current encoding string without replacing it. The document is left referencing freed memory, so the next call to...

Vikunja 安全漏洞

Vikunja is an open-source to-do application developed by Vikunja developers. Versions of Vikunja prior to 2.0.0 contained security vulnerabilities. These vulnerabilities stemmed from the filter parameters in the Projects module being rendered into the DOM without proper encoding, which could lead...

CVE-2017-11263

Adobe Acrobat Reader 2017.009.20058 and earlier, 2017.008.30051 and earlier, 2015.006.30306 and earlier, and 11.0.20 and earlier has an exploitable memory corruption vulnerability in the internal data structure manipulation related to document encoding. Successful exploitation could lead to...

CVE-2017-11263

Adobe Acrobat Reader 2017.009.20058 and earlier, 2017.008.30051 and earlier, 2015.006.30306 and earlier, and 11.0.20 and earlier has an exploitable memory corruption vulnerability in the internal data structure manipulation related to document encoding. Successful exploitation could lead to...