PYSEC-2026-165

At a glance

Published: 2026-05-09 06:16 UTC
Updated: 2026-05-27 13:56 UTC
CVE: CVE-2026-42308
Aliases: BIT-pillow-2026-42308, GHSA-wjx4-4jcj-g98j
CVSS_V3: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Description

Pillow is a Python imaging library. Prior to version 12.2.0, if a font advances for each glyph by an exceeding large amount, when Pillow keeps track of the current position, it may lead to an integer overflow. This issue has been patched in version 12.2.0.

Affected packages

Package	Versions
PyPI · pillow	introduced 0, fixed 12.2.0

References

https://github.com/python-pillow/Pillow/releases/tag/12.2.0 ADVISORY
https://github.com/python-pillow/Pillow/security/advisories/GHSA-wjx4-4jcj-g98j ADVISORY

Sources

Source	Licence
OSV.dev	CC-BY 4.0 — PyPA Advisory Database