CVE-2026-112893: CWE-457: Use of Uninitialized Variable in python-pillow Pillow
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.
CVSS v4.0
Score 8.2high
Affected software
python-pillow
Pillow
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- GitHub_M
- Date Reserved
- 2026-10-19T20:16:09.856Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Is Cloud Service
- true
Threat ID: 6ad693df2cdf04f65697482f
Added to database: 10/19/2026, 22:04:15 UTC
Last updated: 10/19/2026, 22:04:15 UTC
Views: 1
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