CVE-2026-76957
7.8 ÉlevéeDescription
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.
Produits concernés
Scores CVSS
| Version | Score | Source | Vecteur |
|---|---|---|---|
| 3.1 | 4.9 Moyenne | cve@mitre.org | CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L |
| 3.1 | 7.8 Élevée | nvd@nist.gov (NVD) | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
Faiblesses (CWE)
Références
- https://github.com/libexpat/libexpat/pull/1322 Issue TrackingPatchVendor Advisory
- https://github.com/libexpat/libexpat/pull/1329 Issue TrackingPatch