CVE-2025-25341: libxmljs has segmentation fault, potentially leading to a denial-of-service (DoS)

December 26, 2025

A vulnerability exists in the libxmljs 1.0.11 when parsing a specially crafted XML document. Accessing the internal _ref property on entity_ref and entity_decl nodes causes a segmentation fault, potentially leading to a denial-of-service (DoS).

References

github.com/advisories/GHSA-jv72-59wq-8rxm
github.com/libxmljs/libxmljs
github.com/libxmljs/libxmljs/issues/667
nvd.nist.gov/vuln/detail/CVE-2025-25341

Code Behaviors & Features

Detect and mitigate CVE-2025-25341 with GitLab Dependency Scanning

Secure your software supply chain by verifying that all open source dependencies used in your projects contain no disclosed vulnerabilities. Learn more about Dependency Scanning →