4.9Mittel
CVE-2026-76957
Beschreibung
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.
Schwachstellentyp (CWE):
CWE-416
Daten: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Wiedergegeben wie in der Quelle, auf Englisch.
Betroffene Produkte und Versionen
Referenzen und Patches
- https://github.com/libexpat/libexpat/pull/1322 Issue TrackingPatchVendor Advisory
- https://github.com/libexpat/libexpat/pull/1329 Issue TrackingPatch
- https://cert-portal.siemens.com/productcert/html/ssa-457936.html
CPE-Treffer (NVD) (1)
cpe:2.3:a:libexpat_project:libexpat:*:*:*:*:*:*:*:*< 2.8.4