High (7.5). EPSS 14% chance of exploitation in the next 30 days.
The xmlParseElementDecl function in parser.c in libxml2 before 2.9.4 allows context-dependent attackers to cause a denial of service (heap-based buffer underread and application crash) via a crafted file, involving xmlParseName.
Severity
CVSS 3.0
7.5 high
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
14% chance of exploitation in the next 30 days; higher than 96% of CVEs (scores of 2026-10-31)