PT-2026-37197 · Pypi · Pillow

Highaclark4Life · Published 2026-05-04 · Updated 2026-05-12 · CVE-2026-42308

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions Pillow versions prior to 12.2.0

Description An integer overflow can occur when the library tracks the current position if a font advances for each glyph by an excessively large amount.

Recommendations Update to version 12.2.0.

Fix

Integer Overflow

Weakness Enumeration

CWE-190

Related Identifiers

BIT-PILLOW-2026-42308

CVE-2026-42308

ECHO-784C-565E-18BC

GHSA-WJX4-4JCJ-G98J

PYSEC-2026-165

Affected Products

Pillow

References · 18

• https://github.com/python-pillow/Pillow/security/advisories/GHSA-wjx4-4jcj-g98j · Vendor Advisory
• https://osv.dev/vulnerability/GHSA-wjx4-4jcj-g98j · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-42308 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-42308 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2026-42308 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2026-42308 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2026-42308 · Security Note
• https://security-tracker.debian.org/tracker/CVE-2026-42308 · Vendor Advisory
• https://osv.dev/vulnerability/PYSEC-2026-165 · Vendor Advisory
• https://osv.dev/vulnerability/BIT-pillow-2026-42308 · Vendor Advisory
• https://github.com/python-pillow/Pillow/releases/tag/12.2.0 · Note
• https://github.com/python-pillow/Pillow/pull/9518/changes · Note
• https://github.com/python-pillow/Pillow · Note
• https://twitter.com/CVEnew/status/2053131383019868597 · Twitter Post
• https://twitter.com/CVEarity/status/2053810741124489225 · Twitter Post