CVE-2026-112394: CWE-126: Buffer Over-read in python-pillow Pillow
Description
Pillow is a Python imaging library. Prior to 13.0.0, Pillow's P;2L and P;4L raw decoders can read past the end of an input buffer. ImagingRawDecode calculates a packed-pixel row size, while the unpackers read separately padded bit planes. A caller can supply a buffer and image dimensions whose accepted size is smaller than the unpacker's actual footprint. This can disclose up to three adjacent heap bytes in output pixels or crash the process. This issue is fixed in version 13.0.0.
CVSS v4.0
Score 6.3medium
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
- 4.0
- State
- PUBLISHED
Threat ID: 6ad685e42cdf04f6568e738f
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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