CVE-2026-34085

ADVISORY - nist

Summary

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.

EPSS Score⁠: 0.00012 (0.018)

Common Weakness Enumeration (CWE)

ADVISORY - nist

CWE-193⁠

Off-by-one Error

ADVISORY - redhat

CWE-193⁠

Off-by-one Error

Impacted images

Advisories

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