VULNERABILITY INTELLIGENCE

CVE-2026-56403

CVSS score6.9 MEDIUM

EPSS probability0.17%

CISA KEVNot currently listed

Published2026-06-21

Last modified2026-10-25

CVSS vectorCVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L

Description

libexpat before 2.8.2 has an integer overflow in storeAtts.