CVE-2026-112392

Pillow is a Python imaging library. Prior to 13.0.0, Pillow's rank-based filters can dereference invalid image storage for a zero-size image. ImagingExpand() allocates a non-empty output and then faults while replicating edges by reading the first pixel from empty input storage; ImagingRankFilter is never reached. An attacker can supply or cause creation of a zero-size image to an application that applies a rank, median, minimum, or maximum filter. This causes a native process crash. This issue is fixed in version 13.0.0.

• CWE-476

• https://github.com/python-pillow/Pillow/commit/443e3130a8c11594fd0e296afad497e11e678961
• https://github.com/python-pillow/Pillow/releases/tag/13.0.0
• https://github.com/python-pillow/Pillow/security/advisories/GHSA-27h8-gf7j-v5hc
• https://github.com/python-pillow/Pillow/security/advisories/GHSA-27h8-gf7j-v5hc

Published

Oct 19, 2026

Last Modified

Oct 20, 2026

Status

Awaiting Analysis

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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