Pillow: Unbounded recursion parsing a PDF page tree or trailer chain (incomplete fix for CVE-2026-42310)

Date Oct 20, 2026

Type Vendor advisory

Signal High-risk advisory

Vendor / Product PyPI · pillow

CVE CVE-2026-112895

High-risk advisory CVE-2026-112895

Summary

Pillow: Unbounded recursion parsing a PDF page tree or trailer chain (incomplete fix for CVE-2026-42310)

Why it matters

GitHub has published a reviewed security advisory for pillow. Prioritize it with other application dependency updates, especially because EPSS places it in the 20% percentile.

Operator check

Check whether pillow is present in application dependency manifests, lockfiles, or build images. Review the GitHub advisory and upgrade to a patched version where available. CVSS score: 8.7. EPSS probability: 0.3%; percentile: 20%.

Sources

GitHub Advisory GHSA-p4wg-p73j-c528 NVD — CVE-2026-112895 Source reference

PatchBrief uses public sources. It does not scan environments, verify exposure, or replace vendor guidance.

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