CVE-2026-112395: CWE-122: Heap-based Buffer Overflow in python-pillow Pillow
Description
Pillow is a Python imaging library. From 8.2.0 until 13.0.0, Pillow's tiled-TIFF decoder can read past the tile buffer while copying four-byte pixels. In _decodeTile, libtiff can return a tile allocation smaller than the required row stride multiplied by the tile length, and Pillow's stride-and-copy loop walks beyond that allocation. An attacker can supply a crafted tiled TIFF to an application that loads it. This can expose adjacent heap data in pixels or crash the process. This issue is fixed in version 13.0.0.
CVSS v3.1
Score 6.5medium
Affected software
python-pillow
Pillow
Weaknesses
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- GitHub_M
- Date Reserved
- 2026-10-19T16:58:51.959Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6ad685e42cdf04f6568e738b
Added to database: 10/19/2026, 21:04:36 UTC
Last updated: 10/19/2026, 21:04:36 UTC
Views: 1
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