MEDIUM 5.5 PyPI
Pillow has an integer overflow when processing fonts
GHSA-wjx4-4jcj-g98j · BIT-pillow-2026-42308 · CVE-2026-42308 · PYSEC-2026-165
Published · Modified
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Description
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 has been fixed.
References
- WEB https://github.com/python-pillow/Pillow/security/advisories/GHSA-wjx4-4jcj-g98j
- ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2026-42308
- WEB https://github.com/pypa/advisory-database/tree/main/vulns/pillow/PYSEC-2026-165.yaml
- PACKAGE https://github.com/python-pillow/Pillow
- WEB https://github.com/python-pillow/Pillow/releases/tag/12.2.0
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