EUVD-2026-5042

In libexpat before 2.7.4, the doContent function does not properly determine the buffer size bufSize because there is no integer overflow check for tag buffer reallocation...

CVE-2026-25210

In libexpat before 2.7.4, the doContent function does not properly determine the buffer size bufSize because there is no integer overflow check for tag buffer reallocation...

CVE-2026-25210

In libexpat before 2.7.4, the doContent function does not properly determine the buffer size bufSize because there is no integer overflow check for tag buffer reallocation...

CVE-2026-25210

In libexpat before 2.7.4, the doContent function does not properly determine the buffer size bufSize because there is no integer overflow check for tag buffer reallocation...

CVE-2026-25210

In libexpat before 2.7.4, the doContent function does not properly determine the buffer size bufSize because there is no integer overflow check for tag buffer reallocation...

CVE-2026-25210

In libexpat before 2.7.4, the doContent function does not properly determine the buffer size bufSize because there is no integer overflow check for tag buffer reallocation...

CVE-2026-25210

In libexpat before 2.7.4, the doContent function does not properly determine the buffer size bufSize because there is no integer overflow check for tag buffer reallocation...

libexpat input validation vulnerability

libexpat is a streaming XML parser written in C language by the libexpat team. Versions of libexpat prior to 2.7.4 had a vulnerability related to input validation errors. This vulnerability stemmed from a lack of integer overflow checks in the doContent function, which could lead to incorrect...

Advisory ROSA-SA-2026-3129

software: expat 2.7.3 OS: ROSA-CHROME unaffected versions = expat-2.7.3-1 affected versions expat-2.7.3-1 CVE-ID: CVE-2025-59375 BDU-ID: 2025-12925 CVE-Crit: HIGH CVE-DESC.: A vulnerability in the libexpat XML file parsing library is related to unrestricted resource allocation. Exploitation of th...

NULL Pointer Dereference

Overview Affected versions of this package are vulnerable to NULL Pointer Dereference due to improper handling of user data in the XMLExternalEntityParserCreate function. An attacker can cause a denial of service by supplying crafted input that triggers a null pointer dereference. Remediation...

ALPINE-CVE-2026-24515

In libexpat before 2.7.4, XMLExternalEntityParserCreate does not copy unknown encoding handler user data...

CVE-2026-24515

In libexpat before 2.7.4, XML_ExternalEntityParserCreate does not copy unknown encoding handler user data. This vulnerability (CVE-2026-24515) is reflected across multiple advisories/plugins; remediation is to update expat to a version 2.7.4 or newer where the issue is fixed.

CVE-2026-24515

In libexpat before 2.7.4, XMLExternalEntityParserCreate does not copy unknown encoding handler user data...

CVE-2026-24515

In libexpat before 2.7.4, XMLExternalEntityParserCreate does not copy unknown encoding handler user data...

CVE-2026-24515

In libexpat before 2.7.4, XMLExternalEntityParserCreate does not copy unknown encoding handler user data...

CVE-2026-24515

In libexpat before 2.7.4, XMLExternalEntityParserCreate does not copy unknown encoding handler user data...

CVE-2026-24515

In libexpat before 2.7.4, XMLExternalEntityParserCreate does not copy unknown encoding handler user data...

libexpat code issue vulnerabilities

libexpat is a streaming XML parser written in C language by the libexpat team. Versions of libexpat prior to 2.7.4 had code vulnerabilities; these vulnerabilities stemmed from the XMLExternalEntityParserCreate function not copying user data for unknown encoding processors...

Linux Distros Unpatched Vulnerability : CVE-2026-24515

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In libexpat before 2.7.4, XMLExternalEntityParserCreate does not copy unknown encoding handler user data. CVE-2026-24515 Note that Nessus relies on the presence...

MiracleLinux 7 : expat-2.1.0-15.0.1.el7.AXS7 (AXSA:2024-8927:07)

The remote MiracleLinux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2024-8927:07 advisory. CVE-2024-45490: Reject negative length for XMLParseBuffer in xmlparse.c CVE-2024-45491: Detect integer overflow in dtdCopy on 32-bit platforms...