CVE-2026-79769

A flaw was found in Nokogiri. This vulnerability involves a possible invalid memory read in the internal Nodeinitializecopywithargs helper. If application code calls this protected method with an incorrect argument type, such as a non-Node object, it can lead to an out-of-bounds read, causing the...

Access of Resource Using Incompatible Type ('Type Confusion')

Overview nokogiri is a gem for parsing HTML, XML, SAX, and Reader. Affected versions of this package are vulnerable to Access of Resource Using Incompatible Type 'Type Confusion' in the initializecopywithargs function. An attacker can cause a process crash by passing a non-Node argument, such as ...

CVE-2026-79769

Nokogiri versions before 1.19.4 contain a possible invalid out-of-bounds memory read in the protected internal Nodeinitializecopywithargs helper behind Nodedup and clone, which unwrapped its source argument as an xmlNode without a type check. If application code calls this protected method with a...

CVE-2026-79769 Nokogiri before 1.19.4 Invalid Memory Read via initialize_copy_with_args

Nokogiri versions before 1.19.4 contain a possible invalid out-of-bounds memory read in the protected internal Nodeinitializecopywithargs helper behind Nodedup and clone, which unwrapped its source argument as an xmlNode without a type check. If application code calls this protected method with a...

CVE-2026-79769

Nokogiri (Ruby gem) versions before 1.19.4 contain an out-of-bounds memory read in the protected internal method Node#initialize_copy_with_args , which unwraps its source argument as an xmlNode without a type check. If application code calls this method with a non-Node argument (e.g., a Namespace...

CVE-2026-79769: Access of Resource Using Incompatible Type

Nokogiri versions before 1.19.4 contain a possible invalid out-of-bounds memory read in the protected internal Nodeinitializecopywithargs helper behind Nodedup and clone, which unwrapped its source argument as an xmlNode without a type check. If application code calls this protected method with a...