RockyLinux 10 : expat (RLSA-2026:74001)

The remote RockyLinux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2026:74001 advisory. expat: Expat: Denial of Service via quadratic complexity in attribute processing CVE-2026-66046 expat: Expat: XML Injection via Malformed UTF-16 Input...

RHEL 10 : expat (RHSA-2026:74001)

The remote Redhat Enterprise Linux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:74001 advisory. Expat is a C library for parsing XML documents. Security Fixes: expat: Expat: Denial of Service via quadratic complexity in attribute...

expat security update

An update is available for expat. This update affects Rocky Linux 8. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list Expat is a C library for parsing XML documents. Security Fixes: expat: Expat:...

RHEL 8 : expat (RHSA-2026:72448)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:72448 advisory. Expat is a C library for parsing XML documents. Security Fixes: expat: Expat: Denial of Service via quadratic complexity in attribute...

Important: Red Hat Security Advisory: expat security update

An update for expat is now available for Red Hat Enterprise Linux 8. 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 from the...

ALSA-2026:72448 Important: expat security update

Expat is a C library for parsing XML documents. Security Fixes: expat: Expat: Denial of Service via quadratic complexity in attribute processing CVE-2026-66046 expat: Expat: XML Injection via Malformed UTF-16 Input CVE-2026-93990 For more details about the security issues, including the impact, a...

ALSA-2026:72663 Important: expat security update

Expat is a C library for parsing XML documents. Security Fixes: expat: Expat: Denial of Service via quadratic complexity in attribute processing CVE-2026-66046 expat: Expat: XML Injection via Malformed UTF-16 Input CVE-2026-93990 For more details about the security issues, including the impact, a...

Important: expat security update

Expat is a C library for parsing XML documents. Security Fixes: expat: Expat: Denial of Service via quadratic complexity in attribute processing CVE-2026-66046 expat: Expat: XML Injection via Malformed UTF-16 Input CVE-2026-93990 For more details about the security issues, including the impact, a...

ALPINE-CVE-2026-93990

Expat before 2.8.5 fails to validate that a high surrogate in UTF-16 input is followed by a low surrogate, allowing malformed UTF-16 sequences to be accepted. Attackers can supply UTF-16 encoded XML containing lone high surrogates that consume the following code unit, causing Expat to pass unpair...