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CVE PROGRAM SOURCE RECORD5.9 Medium

CVE-2026-34085

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

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Status
Published
Published
Updated
Assigning organization
mitre

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.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

fontconfig project fontconfig

Default version status: unaffected

  • 0 to < 2.17.1affected

References