CVE-2026-42311

Pillow is a Python imaging library. From version 10.3.0 to before version 12.2.0, processing a malicious PSD file could lead to memory corruption, potentially resulting in a crash or arbitrary code execution. This issue has been patched in version 12.2.0.

CVSS v3 7.8 HIGH

7.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://github.com/python-pillow/Pillow/commit/58f9a1d166dcb0c274807d4423522d205b0c35ea	Patch
https://github.com/python-pillow/Pillow/pull/9520	Issue Tracking Patch
https://github.com/python-pillow/Pillow/releases/tag/12.2.0	Product Release Notes
https://github.com/python-pillow/Pillow/security/advisories/GHSA-pwv6-vv43-88gr	Patch Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:python:pillow:*:*:*:*:*:*:*:*

History

14 May 2026, 20:27

Type	Values Removed	Values Added
First Time		Python Python pillow
References	~~() https://github.com/python-pillow/Pillow/commit/58f9a1d166dcb0c274807d4423522d205b0c35ea -~~	() https://github.com/python-pillow/Pillow/commit/58f9a1d166dcb0c274807d4423522d205b0c35ea - Patch
References	~~() https://github.com/python-pillow/Pillow/pull/9520 -~~	() https://github.com/python-pillow/Pillow/pull/9520 - Issue Tracking, Patch
References	~~() https://github.com/python-pillow/Pillow/releases/tag/12.2.0 -~~	() https://github.com/python-pillow/Pillow/releases/tag/12.2.0 - Product, Release Notes
References	~~() https://github.com/python-pillow/Pillow/security/advisories/GHSA-pwv6-vv43-88gr -~~	() https://github.com/python-pillow/Pillow/security/advisories/GHSA-pwv6-vv43-88gr - Patch, Vendor Advisory
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 7.8
CPE		cpe:2.3:a:python:pillow::::::::

09 May 2026, 06:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-05-09 06:16

Updated : 2026-05-14 20:27

NVD link : CVE-2026-42311

Mitre link : CVE-2026-42311

CVE.ORG link : CVE-2026-42311

JSON object : View

Products Affected

python

pillow

CWE

CWE-190

Integer Overflow or Wraparound

CWE-787

Out-of-bounds Write

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