libexpat before 2.7.6 uses insufficient entropy, and thus hash flooding can occur via a crafted XML document.
https://github.com/libexpat/libexpat/pull/1183
https://github.com/libexpat/libexpat/issues/47
Source: Mitre, NVD
Published: 2026-04-16
Updated: 2026-04-16
Base Score: 1.2
Vector: CVSS2#AV:L/AC:H/Au:N/C:N/I:N/A:P
Severity: Low
Base Score: 2.9
Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L