ZeroHour

CVE-2026-76957

CVSS 3.1
7.8 high
EPSS
<1%p1
Published
()
Modified
Description

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.

Vendors
libexpat project
Products
libexpat
Weakness
CWE-416
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

In the news

No ingested article mentions this CVE yet.