CVE-2026-56404: medium-severity vulnerability in libexpat
Published · Updated
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 6.9epss 0.1%
libexpat before 2.8.2 has an integer overflow in addBinding.
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L
Affected products
libexpat project · libexpatRelated CVEs — libexpat
In the same product, most dangerous first.