ghsa:GHSA-78G4-XQWV-Q3G8: pillow >= 11.1.0, < 13.0.0

Pillow: Bundled libopenjp2 2.5.4 in all wheels since 11.1.0 carries OSV-2025-219 heap-buffer-overflow write reachable from Image.open().load(). Affected range: >= 11.1.0, < 13.0.0. Fixed version: 13.0.0.

Affected technology

pillow · >= 11.1.0, < 13.0.0
Vendor not specified by the source

Component: Not specified by the source

Attack conditions (Source advisory, CVSS 3.1): Network (remote) · No privileges required · No user interaction required

What an attacker can do

Source advisory’s CVSS 3.1 assessment rates confidentiality, integrity and availability impact as high. The description does not specify what an attacker can achieve beyond these rated impacts.

Published 22-Oct-2026 20:58 UTC

Product: pillow
KEV: no

Provenance

GitHub Advisory Database · Source record · observed 2026-10-22 20:55:42.144132+00:00 UTC

Stable permalink: https://cybercodered.org/item/adv-ghsa-ghsa-78g4-xqwv-q3g8.html