CVE-2026-71852
Published:August 07, 2026
Updated:August 31, 2026
pypdf is a free and open-source pure-python PDF library. Prior to 6.15.0, a crafted PDF can cause long runtimes and large memory consumption when pypdf/_font.py function Font._collect_cid_character_widths expands unusually large CID font /W width ranges or excessive width entries during text extraction. This issue is fixed in 6.15.0.
Affected Packages
pypdf (CONDA):
Affected version(s) >=6.1.0 <6.15.0Fix Suggestion:
Update to version 6.15.0pypdf (CONDA):
Affected version(s) >=3.2.0 <6.15.0Fix Suggestion:
Update to version 6.15.0https://github.com/py-pdf/pypdf.git (GITHUB):
Affected version(s) >=6.1.0 <6.15.0Fix Suggestion:
Update to version 6.15.0pypdf (PYTHON):
Affected version(s) >=6.1.0 <6.15.0Fix Suggestion:
Update to version 6.15.0pypdf (PYTHON):
Affected version(s) >=1.0 <6.15.0Fix Suggestion:
Update to version 6.15.0Related Resources (9)
Do you need more information?
Contact UsCVSS v4
Base Score:
4.8
Attack Vector
LOCAL
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
PASSIVE
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:
3.3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
LOW
Weakness Type (CWE)
Excessive Iteration
EPSS
Base Score:
0.13