CVEvulnerability
CVE-2026-42310
5.1 MEDIUM
Official page ↗
- Status
- Analyzed
- Published
- 2026-05-09
- Last modified
- 2026-07-24
- Assigner
- [email protected]
- CVSS 4.0 ([email protected])
- 5.1 MEDIUM — 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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
- CVSS 3.1 ([email protected])
- 5.5 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- Weaknesses
- CWE-835
Description
Pillow is a Python imaging library. From version 4.2.0 to before version 12.2.0, an attacker can supply a malicious PDF that causes the process to hang indefinitely, consuming 100% CPU and making the application unresponsive. This issue has been patched in version 12.2.0.
Affected configurations
• python pillow (>= 4.2.0 < 12.2.0)
Related
Weakness · CWE (1)
- CWE-835 Loop with Unreachable Exit Condition weakness
References
- https://github.com/python-pillow/Pillow/commit/3bf614e4b8615d0ce1d5039efaf6db447fe7c468 Patch
- https://github.com/python-pillow/Pillow/pull/9519 Issue Tracking, Patch
- https://github.com/python-pillow/Pillow/releases/tag/12.2.0 Product, Release Notes
- https://github.com/python-pillow/Pillow/security/advisories/GHSA-r73j-pqj5-w3x7 Patch, Vendor Advisory