VULNERABILITY INTELLIGENCE

CVE-2026-34085

CVSS score5.9 MEDIUM
EPSS probability0.13%
CISA KEVNot currently listed
Published2026-03-25
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Description

fontconfig before 2.17.1 has an off-by-one error in allocation during sfnt capability handling, leading to a one-byte out-of-bounds write, and potentially a crash or code execution. This is in FcFontCapabilities in fcfreetype.c.

Weakness classification

  • cve@mitre.org: CWE-193

Primary references