CVE-2026-34085

MEDIUM

5.9

Descricao

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.

Detalhes CVE

Pontuacao CVSS v3.15.9

SeveridadeMEDIUM

Vetor CVSSCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Vetor de ataqueLOCAL

ComplexidadeLOW

Privilegios necessariosNONE

Interacao do usuarioNONE

Publicado3/25/2026

Ultima modificacao3/27/2026

Fontenvd

Avistamentos honeypot0

Produtos afetados

fontconfig_project:fontconfig

Fraquezas (CWE)

CWE-193

Referencias

https://gitlab.freedesktop.org/fontconfig/fontconfig/-/commit/b9bec06d73340f1b5727302d13ac3df307b7febc(cve@mitre.org)

https://gitlab.freedesktop.org/fontconfig/fontconfig/-/merge_requests/446(cve@mitre.org)

https://gitlab.freedesktop.org/fontconfig/fontconfig/-/work_items/481(cve@mitre.org)

Correlacoes IOC

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