CVE-2026-34085 in fontconfig

Sumário (Inglês)

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.

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Responsável

MITRE

Reservar

25/03/2026

Divulgação

25/03/2026

Estado

Confirmado

Inscrições

VulDB provides additional information and datapoints for this CVE:

ID	Vulnerabilidade	CWE	Exp	Con	CVE
353221	fontconfig FcFontCapabilities fcfreetype.c Excesso de tampão	193	Não definido	Correção oficial	CVE-2026-34085

Fontes

• MITRE
• NVD
• CVE Details