MEDIUM 4.9 NVD

CVE-2026-76957

libexpat before 2.8.4 lacks handler call depth tracking with custom encoding callbacks. Thus, a use-after-free can occur. NOTE: this is similar to CVE-2026-5021

libexpat before 2.8.4 lacks handler call depth tracking with custom encoding callbacks. Thus, a use-after-free can occur. NOTE: this is similar to CVE-2026-50219, CVE-2026-56131 and CVE-2026-56412.

References

https://github.com/libexpat/libexpat/pull/1322
https://github.com/libexpat/libexpat/pull/1329

Published: 2026-08-20 · Source: NVD · Feed updated: 2026-08-20

This medium severity vulnerability with a CVSS score of 4.9 was published on 2026-08-20 via NVD.

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