Fedora 44 : expat (2026-4ef690dc30)

The remote Fedora 44 host has a package installed that is affected by a vulnerability as referenced in the FEDORA-2026-4ef690dc30 advisory. Rebase to version 2.8.1 Tenable has extracted the preceding description block directly from the Fedora security advisory. Note that Nessus has not tested for...

Fedora 43 : mingw-expat (2026-9cf92027ec)

The remote Fedora 43 host has a package installed that is affected by a vulnerability as referenced in the FEDORA-2026-9cf92027ec advisory. Update to expat-2.8.1. Tenable has extracted the preceding description block directly from the Fedora security advisory. Note that Nessus has not tested for...

Fedora 44 : mingw-expat (2026-163d1fe6c0)

The remote Fedora 44 host has a package installed that is affected by a vulnerability as referenced in the FEDORA-2026-163d1fe6c0 advisory. Update to expat-2.8.1. Tenable has extracted the preceding description block directly from the Fedora security advisory. Note that Nessus has not tested for...

Important Photon OS Security Update - PHSA-2026-4.0-1022

Updates of 'expat', 'strongswan' packages of Photon OS have been released...

cpython: Stack overflow parsing XML with deeply nested DTD content models

A stack overflow flaw has been discovered in the python pyexpat module. When an Expat parser with a registered ElementDeclHandler parses an inline document type definition containing a deeply nested content model a C stack overflow occurs. This will result in a program crash...

Important: Red Hat Security Advisory: python3.12 security update

An update for python3.12 is now available for Red Hat Enterprise Linux 9. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability fro...

CLSA-2026-1779213441 python3.11: Fix of 11 CVEs

CVE-2026-4224: avoid unbound C recursion in convcontentmodel in pyexpat - CVE-2026-3644: reject control characters in http.cookies.Morsel.update - CVE-2026-0672: reject control characters in http.cookies.Morsel - CVE-2025-8291: check consistency of zip64 end of central directory record -...

cpython: Stack overflow parsing XML with deeply nested DTD content models

A stack overflow flaw has been discovered in the python pyexpat module. When an Expat parser with a registered ElementDeclHandler parses an inline document type definition containing a deeply nested content model a C stack overflow occurs. This will result in a program crash...

CLSA-2026-1779184141 expat: Fix of CVE-2026-45186

CVE-2026-45186: fix quadratic complexity in attribute name collision check...

CLSA-2026-1779183482 Fix CVE(s): CVE-2026-45186

SECURITY UPDATE: denial of service via On^2 attribute name collision check with moderately sized crafted XML input - debian/patches/CVE-2026-45186.patch: replace linear scan in defineAttribute with O1 hash table lookup using new ELEMENTTYPE.defaultAttsNames field in expat/lib/xmlparse.c -...

ALSA-2026:19064 Important: python3.12 security update

Python is an interpreted, interactive, object-oriented programming language, which includes modules, classes, exceptions, very high level dynamic data types and dynamic typing. Python supports interfaces to many system calls and libraries, as well as to various windowing systems. Security Fixes:...

Important: python3.12 security update

Python is an interpreted, interactive, object-oriented programming language, which includes modules, classes, exceptions, very high level dynamic data types and dynamic typing. Python supports interfaces to many system calls and libraries, as well as to various windowing systems. Security Fixes:...

CLSA-2026-1779130424 expat: Fix of CVE-2026-45186

CVE-2026-45186: fix quadratic complexity in attribute name collision check...

Security Bulletin: IBM Storage Defender: Data Protect critical vulnerabilities resolved in release Defender 2.1.4/Data Protect 7.4

Summary IBM Storage Defender: Data Protect critical vulnerabilities resolved in release Defender 2.1.4/Data Protect 7.4. The vulnerabilities have been addressed in Data Protect 7.4, which is included in IBM Storage Defender 2.1.4 Vulnerability Details CVEID:CVE-2021-45960 DESCRIPTION: In Expat ak...

CLSA-2026-1779122132 expat: Fix of CVE-2026-45186

CVE-2026-45186: fix quadratic runtime behavior in attribute collision detection...

Photon OS 4.0: Expat PHSA-2026-4.0-1013

An update of the expat package has been released. %NASLMINLEVEL 80900 C Tenable, Inc. The descriptive text and package checks in this plugin were extracted from VMware Security Advisory PHSA-2026-4.0-1013. The text itself is copyright C VMware, Inc. include'compat.inc'; if description...

expat-2.8.1-1.1 on GA media (moderate)

expat-2.8.1-1.1 on GA media Announcement ID: openSUSE-SU-2026:10787-1 Rating: moderate Cross-References: CVE-2026-41080 CVE-2026-45186 CVSS scores: CVE-2026-41080 SUSE : 2.5 CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:L CVE-2026-41080 SUSE : 2...

MGASA-2026-0145 Updated firefox & thunderbird packages fix security vulnerabilities

LZ4 compression library issue. CVE-2025-62813 libexpat before 2.7.5 allows a NULL pointer dereference with empty external parameter entity content. CVE-2026-32776 libexpat before 2.7.5 allows an infinite loop while parsing DTD content. CVE-2026-32777 libexpat before 2.7.5 allows a NULL pointer...

OPENSUSE-SU-2026:10787-1 expat-2.8.1-1.1 on GA media

These are all security issues fixed in the expat-2.8.1-1.1 package on the GA media of openSUSE Tumbleweed...

OESA-2026-2294 expat security update

expat is a stream-oriented XML parser library written in C. expat excels with files too large to fit RAM, and where performance and flexibility are crucial. Security Fixes: libexpat before 2.8.0 uses insufficient entropy, and thus hash flooding can occur via a crafted XML document.CVE-2026-41080...