CVE-2026-24515

Description

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

Affected Platforms

Weakness Type

CWE-476

References

• https://github.com/libexpat/libexpat/pull/1131
• https://cert-portal.siemens.com/productcert/html/ssa-253495.html