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...

expat: Expat: XML Injection via Malformed UTF-16 Input

A flaw was found in Expat. This vulnerability allows a remote attacker to send specially crafted UTF-16 encoded XML data. Due to improper validation of surrogate characters, the parser can be tricked into accepting malformed sequences, which can hide legitimate markup characters. This could enabl...

expat security update

2.5.0-6.5 - Fix CVE-2026-66046: dtdCopy out-of-bounds access via isCdata hash lookup - Resolves: RHEL-260179 2.5.0-6.4 - CVE-2026-93990 expat: Expat: XML Injection via Malformed UTF-16 Input - Resolves: RHEL-269002...

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...

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-2026:72448 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...

CVE-2026-100505

Ghidra versions 11.2 through 12.1.4 are susceptible to a heap out-of-bounds read vulnerability in the StringManager::getCodepoint function. The root cause is a failure to validate the remaining buffer length when decoding multi-byte UTF-8, UTF-16, or UTF-32 characters. An attacker can exploit thi...

expat: Expat: XML Injection via Malformed UTF-16 Input

A flaw was found in Expat. This vulnerability allows a remote attacker to send specially crafted UTF-16 encoded XML data. Due to improper validation of surrogate characters, the parser can be tricked into accepting malformed sequences, which can hide legitimate markup characters. This could enabl...

SUSE 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...

CVE-2026-93990

A flaw was found in Expat. This vulnerability allows a remote attacker to send specially crafted UTF-16 encoded XML data. Due to improper validation of surrogate characters, the parser can be tricked into accepting malformed sequences, which can hide legitimate markup characters. This could enabl...

EUVD-2026-83618

Expat through 2.8.4 fails to validate low surrogates following high surrogates in UTF-16 input, allowing malformed UTF-16 sequences to be accepted. Attackers can craft UTF-16 encoded XML with lone high surrogates that consume following code units, hiding markup characters from the parser and...

Linux Distros Unpatched Vulnerability : CVE-2026-93990

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - 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...

AZL-105260 CVE-2026-93990 affecting package python3 3.12.14-2

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...

AZL-103316 CVE-2026-93990 affecting package expat 2.8.3-2

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...

AZL-105099 CVE-2026-93990 affecting package ogdi 4.1.1-3

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...

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...

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...

DEBIAN-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...

AZL-105149 CVE-2026-93990 affecting package cmake 3.30.3-15

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...