CVE-2026-76957mediumCWE-416

CVE-2026-76957: medium-severity vulnerability in libexpat

Published

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13Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 4.9epss 0.1%
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.
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
Affected products
libexpat project · libexpat
Related CVEs — libexpat

In the same product, most dangerous first.

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