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[ CVE-2026-112893 · Published 19 Oct 2026 ]

Pillow: Invalid free in FreeType glyph rendering when a stroker is active

CVSS 8.2 EPSS <1%Fix available

[ Description ]Official description

Pillow is a Python imaging library. From 10.0.0 until 13.0.0, Pillow can free an invalid glyph pointer during FreeType rendering with an active stroker. If FT_Load_Glyph fails, cleanup may call FT_Done_Glyph on an uninitialized or stale glyph variable. An attacker can supply a malformed font as untrusted bytes to an application that draws text with a nonzero stroke width, forcing the glyph-load failure path. This can corrupt memory or crash the process. This issue is fixed in version 13.0.0.

[ Fixes ]Fixes and patches

  • pillow 13.0.0Fixed version · GitHub Advisories · pip package pillow: upgrade to 13.0.0 or later (affected >= 10.0.0, < 13.0.0)

[ Packages ]Affected open-source packages

[ References ]References