CVE-2026-42310
Published:May 09, 2026
Updated:May 16, 2026
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 Packages
pillow (CONDA):
Affected version(s) >=4.2.0 <12.2.0Fix Suggestion:
Update to version 12.2.0https://github.com/python-pillow/Pillow.git (GITHUB):
Affected version(s) >=4.2.0 <12.2.0Fix Suggestion:
Update to version 12.2.0pillow (PYTHON):
Affected version(s) >=4.2.0 <12.2.0Fix Suggestion:
Update to version 12.2.0Related Resources (6)
Do you need more information?
Contact UsCVSS v4
Base Score:
5.1
Attack Vector
LOCAL
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
NONE
Vulnerable System Availability
LOW
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
4
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
LOW
Weakness Type (CWE)
Loop with Unreachable Exit Condition ('Infinite Loop')
EPSS
Base Score:
0.01