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


Severity

Recommended
high

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.11% (2nd percentile)

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  • Snyk IDSNYK-AMZN2-PYTHONPILLOW-16881273
  • published27 May 2026
  • disclosed9 May 2026

Introduced: 9 May 2026

CVE-2026-42308  (opens in a new tab)
CWE-190  (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. Prior to version 12.2.0, if a font advances for each glyph by an exceeding large amount, when Pillow keeps track of the current position, it may lead to an integer overflow. This issue has been patched in version 12.2.0.

CVSS Base Scores

version 3.1