CVE-2026-34085

MEDIUM

5.9

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.

Details CVE

Score CVSS v3.15.9

SeveriteMEDIUM

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

Vecteur d'attaqueLOCAL

ComplexiteLOW

Privileges requisNONE

Interaction utilisateurNONE

Publie3/25/2026

Derniere modification3/27/2026

Sourcenvd

Observations honeypot0

Produits affectes

fontconfig_project:fontconfig

Faiblesses (CWE)

CWE-193

References

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)

Correlations IOC

Aucune correlation enregistree

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