Infinite loop Affecting pillow package, versions [4.2.0,12.2.0)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-PYTHON-PILLOW-16419304
- published5 May 2026
- disclosed4 May 2026
- creditKEXNA
Introduced: 4 May 2026
CVE-2026-42310 (opens in a new tab)How to fix?
Upgrade pillow to version 12.2.0 or higher.
Overview
Affected versions of this package are vulnerable to Infinite loop in trailer handling in PIL/PdfParser.py. An attacker can cause the application to consume excessive CPU by supplying a malicious file that creates a cyclic reference in the trailer's Prev pointer.