CVE-2026-34085
MEDIUM
NVD
CVSS Score
5.9
Severity
MEDIUM
Published
Mar 25, 2026
Vendor
unknown
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.