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CVE-2026-112394 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:8.2 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://github.com/python-pillow/Pillow/security/advisories/GHSA-4558-3h8r-v8xp	CISA-ADP	ExploitVendor Advisory
https://github.com/python-pillow/Pillow/commit/392ee6f0d19a4adb766a63e9a99f3c28193b8d31	[email protected]	Patch
https://github.com/python-pillow/Pillow/releases/tag/13.0.0	[email protected]	Release Notes
https://github.com/python-pillow/Pillow/security/advisories/GHSA-4558-3h8r-v8xp	[email protected]	ExploitVendor Advisory

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-126	Buffer Over-read	[email protected]

Affected Products

Product	Versions
python pillow	< 13.0.0
CPE cpe:2.3:a:python:pillow:::::::: Remediation No remediation found in references.

Change History

3 change records found show changes

Date	Action	Recorded By
Oct 26, 2026	Initial Analysis	[email protected]
Oct 22, 2026	CVE Modified	CISA-ADP
Oct 19, 2026	New CVE Received	[email protected]