ClosedPatched

FreeType: Out-of-Bounds Write Vulnerability

FreeType

FreeType contains an out-of-bounds write vulnerability when attempting to parse font subglyph structures related to TrueType GX and variable font files that may allow for arbitrary code execution. Added to CISA KEV on 2025-05-06.

Why this severity: CVSS 8.1 (CNA, v3.1); actively exploited (CISA KEV)

Started: May 6, 2025
Closed: May 6, 2025
CVE: CVE-2025-27363

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Updated May 6, 2025

Affected

See vendor advisory / CISA notes (versions not always listed in KEV feed)

Fixed in

See vendor advisory linked in sources

Timeline1

May 6, 2025
CISA added CVE-2025-27363 to the KEV catalog (due 2025-05-27).

Advisories3

Notes & caveats

Derived from CISA KEV JSON feed catalogVersion 2026.10.21. CVSS from the CVE record (cvelistV5). Exact affected/fixed version strings are not always in the KEV record; verify against the vendor advisory URL. startedAt uses dateAdded (exploitation may have begun earlier; many entries are older CVEs newly confirmed as exploited in 2025).

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