RLSA-2026:64810 Moderate: expat security update

Expat is a C library for parsing XML documents. Security Fixes: expat: libexpat: Use-after-free vulnerability due to improper handler call depth tracking CVE-2026-50219 expat: libexpat: Arbitrary Code Execution via Heap-based Buffer Overflow CVE-2026-56132 For more details about the security...

expat security update

2.5.0-2.2 - Fix CVE-2026-56132: out-of-bound scaffolding index store in doProlog - Resolves: RHEL-221012 2.5.0-2.1 - Fix CVE-2026-50219 - Resolves: RHEL-220979...

EUVD-2026-63196

libexpat before 2.8.4 lacks handler call depth tracking with custom encoding callbacks. Thus, a use-after-free can occur. NOTE: this is similar to CVE-2026-50219, CVE-2026-56131 and CVE-2026-56412...

Unity Linux 20.1070e Security Update: expat (UTSA-2026-099491)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-099491 advisory. libexpat before 2.8.2 does not consider XMLTOKDATACHARS in doCdataSection and thus lacks handler call depth tracking for various calls from within handlers in cases ...

Moderate: Red Hat Security Advisory: Red Hat Hardened Images RPMs Security Update

An update for Red Hat Hardened Images RPMs is now available. This update includes the following RPMs: expat: expat-2.8.2-1.hum1 aarch64, x8664 expat-devel-2.8.2-1.hum1 aarch64, x8664 expat-static-2.8.2-1.hum1 aarch64, x8664 expat-2.8.2-1.hum1.src src Security Fixes: expat: CVE-2026-50219...

CVE-2026-50219 vulnerabilities

Vulnerabilities for packages: expat...

CVE-2026-50219

libexpat before 2.8.2 lacks handler call depth tracking for calls to XMLGetBuffer, XMLParse, XMLParseBuffer, XMLParserFree, or XMLParserReset from within handlers in cases of a policy violation. Thus, a use-after-free can occur,...

Linux Distros Unpatched Vulnerability : CVE-2026-50219

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - libexpat before 2.8.2 lacks handler call depth tracking for calls to XMLGetBuffer, XMLParse, XMLParseBuffer, XMLParserFree, or XMLParserReset from within handle...