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.

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Advisories
Source ID Title
Github GHSA Github GHSA GHSA-wjx4-4jcj-g98j Pillow has an integer overflow when processing fonts
Fixes

Solution

No solution given by the vendor.


Workaround

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History

Sat, 09 May 2026 06:45:00 +0000

Type Values Removed Values Added
First Time appeared Python-pillow
Python-pillow pillow
Vendors & Products Python-pillow
Python-pillow pillow

Sat, 09 May 2026 05:30:00 +0000

Type Values Removed Values Added
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.
Title Pillow: Integer overflow when processing fonts
Weaknesses CWE-190
References
Metrics cvssV4_0

{'score': 5.1, 'vector': 'CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published:

Updated: 2026-05-09T04:09:01.631Z

Reserved: 2026-04-26T12:37:18.169Z

Link: CVE-2026-42308

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-05-09T06:16:09.793

Modified: 2026-05-09T06:16:09.793

Link: CVE-2026-42308

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-05-09T06:30:25Z

Weaknesses