Loop with Unreachable Exit Condition ('Infinite Loop') Affecting python-pillow-debuginfo package, versions <0:9.4.0-2.amzn2023.0.8


Severity

Recommended
high

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.13% (3rd percentile)

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  • Snyk IDSNYK-AMZN2023-PYTHONPILLOWDEBUGINFO-16883914
  • published27 May 2026
  • disclosed9 May 2026

Introduced: 9 May 2026

CVE-2026-42310  (opens in a new tab)
CWE-835  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2023 python-pillow-debuginfo to version 0:9.4.0-2.amzn2023.0.8 or higher.
This issue was patched in ALAS2023-2026-1712.

NVD Description

Note: Versions mentioned in the description apply only to the upstream python-pillow-debuginfo package and not the python-pillow-debuginfo package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2023 relevant fixed versions and status.

Pillow is a Python imaging library. From version 4.2.0 to before version 12.2.0, an attacker can supply a malicious PDF that causes the process to hang indefinitely, consuming 100% CPU and making the application unresponsive. This issue has been patched in version 12.2.0.

CVSS Base Scores

version 3.1