Buffer Overflow Affecting python-pillow package, versions <0:2.0.0-23.gitd1c6db8.amzn2.0.18


Severity

Recommended
0.0
high
0
10

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.15% (5th percentile)

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  • Snyk IDSNYK-AMZN2-PYTHONPILLOW-16881390
  • published27 May 2026
  • disclosed9 May 2026

Introduced: 9 May 2026

CVE-2026-42311  (opens in a new tab)
CWE-120  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2 python-pillow to version 0:2.0.0-23.gitd1c6db8.amzn2.0.18 or higher.
This issue was patched in ALAS2-2026-3312.

NVD Description

Note: Versions mentioned in the description apply only to the upstream python-pillow package and not the python-pillow package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2 relevant fixed versions and status.

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 Base Scores

version 3.1