CVE-2026-42308
mediumpriority · track · 22EPSS 0.001 · 1 %ileDEEUFRRUUSEPSS · scored 2026-10-27
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.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–medium · 1.2–5.5
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (16)
Products and version ranges known to be affected.
advisories (5)
Vendor and ecosystem advisories describing this.
- WID-SEC-W-2026-2455Oracle Solaris Drittanbieterkomponenten: Mehrere SchwachstellenDeutsch2026-07-21csaf · cert_bundDE
Ein entfernter, anonymer oder authentisierter Angreifer kann mehrere Schwachstellen in verschiedenen Komponenten von Drittanbietern in Oracle Solaris ausnutzen, um einen nicht näher spezifizierten Angriff durchzuführen.
- GHSA-wjx4-4jcj-g98jPillow has an integer overflow when processing fonts2026-05-04ghsa · osvUS
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.
- BIT-pillow-2026-42308Pillow: Integer overflow when processing fonts2026-05-12vendor · osvUS
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.
- CERTFR-2026-AVI-1366Multiples vulnérabilités dans les produits SplunkFrançais2026-10-22vendor · certfrFR
- PYSEC-2026-1652026-05-09vendor · osvUS
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.
also known as (8)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (6)
External citations — patches, advisories, analysis.
- https://github.com/python-pillow/Pillow/releases/Patchcnnvd
- https://nvd.nist.gov/vuln/detail/CVE-2026-42308cnnvd
- https://github.com/python-pillow/Pillow/releases/tag/12.2.0enisa_euvd
- https://github.com/python-pillow/Pillow/security/advisories/GHSA-wjx4-4jcj-g98jenisa_euvd
- https://github.com/python-pillow/Pillow/releases/tag/12.2.0ProductRelease Notesnvd
- https://github.com/python-pillow/Pillow/security/advisories/GHSA-wjx4-4jcj-g98jVendor Advisorynvd
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