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CVE-2026-34085

nvd nist
Published: Mar 25, 2026Modified: Jun 17, 2026

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7.8
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Exploitability: 1.8 / Impact: 5.9
Source: NVD

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 (1)

Fontconfig Project
1 product
Fontconfig
Configuration A
1 vulnerable
Vulnerable SoftwareAffected Versions
Fontconfig
Version 2.17.0

Related CWEs

CWE-193
Off-by-one Error
A product calculates or uses an incorrect maximum or minimum value that is 1 more, or 1 less, than the correct value.

References (3)

Source: cve@mitre.org
Patch
Source: cve@mitre.org
Patch
Source: cve@mitre.org
Issue Tracking

Timeline

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