CVE-2026-42311

HIGH

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 v3.1 Score

7.8
HIGH
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack Vector
LOCAL
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Published: 5/9/2026Modified: 5/14/2026

Related Intelligence (1)

HIGHVulnerability

NVD HIGH: CVE-2026-42311 — Pillow is a Python imaging library. From version 10.3.0 to before version 12.2.0...

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.

CVE-2026-42311
NIST NVD

References (4)

https://github.com/python-pillow/Pillow/commit/58f9a1d166dcb0c274807d4423522d205b0c35eaPatchhttps://github.com/python-pillow/Pillow/pull/9520Issue TrackingPatchhttps://github.com/python-pillow/Pillow/releases/tag/12.2.0ProductRelease Noteshttps://github.com/python-pillow/Pillow/security/advisories/GHSA-pwv6-vv43-88grPatchVendor Advisory