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OpenAdvisories
High · 8.6 CVE-2026-42311 BIT-pillow-2026-42311EUVD-2026-28903GHSA-pwv6-vv43-88grPYSEC-2026-2252

Pillow: OOB Write with Invalid PSD Tile Extents (Integer Overflow)

Published May 9, 2026 · Updated May 12, 2026 · Assigned by GitHub_M

Description

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.

Affected products

VendorProductAffectedFixed
python-pillow Pillow >= 10.3.0, < 12.2.0 —

Fixed in Linux distributions

Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.

ReleasePackageFixed inAdvisory
Debian 14 pillow 12.2.0-1 —
Debian 13 pillow 11.1.0-5+deb13u3 —
ReleasePackageFixed inAdvisory
Ubuntu 26.04 LTS pillow 12.1.1-2ubuntu1.2 USN-8399-1
Ubuntu 25.10 pillow 11.3.0-1ubuntu1.3 USN-8399-1
Ubuntu 24.04 LTS pillow 10.2.0-1ubuntu1.2 USN-8399-1
Ubuntu 22.04 LTS pillow 9.0.1-1ubuntu0.4 USN-8399-1
Show 1 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
Ubuntu Pro 20.04 LTS pillow-python2 No fix yet —
ReleasePackageFixed inAdvisory
SLES for SAP 16.0 python-Pillow 11.3.0-160000.6.1 SUSE-SU-2026:22626-1
SLES 16.0 python-Pillow 11.3.0-160000.6.1 SUSE-SU-2026:22626-1
ReleasePackageFixed inAdvisory
openSUSE Tumbleweed python-Pillow 12.3.0-1.1 openSUSE-SU-2026:11261-1
openSUSE Leap 16.0 python-Pillow 11.3.0-160000.6.1 openSUSE-SU-2026:21296-1

Amazon Linux

ReleasePackageFixed inAdvisory
Amazon Linux 2023 python3-pillow +2 9.4.0-2.amzn2023.0.8 ALAS2023-2026-1712
Amazon Linux 2 python-pillow +4 2.0.0-23.gitd1c6db8.amzn2.0.18 ALAS2-2026-3312

Wolfi

ReleasePackageFixed inAdvisory
Wolfi rolling kubeflow-pipelines-visualization-server 2.16.1-r0 —
Wolfi rolling open-webui 0.11.0-r0 —
Wolfi rolling superset-6.0 6.0.0-r10 —

Affected packages

EcosystemPackageAffectedFixedRecord
PyPI pillow >= 10.3.0, < 12.2.0 12.2.0 GHSA-pwv6-vv43-88gr

Advisories 7

References