pypdf is a free and open-source pure-python PDF library. Versions prior to 6.9.2 have a vulnerability in which an attacker can craft a PDF which leads to an infinite loop. This requires reading a file in non-strict mode. This has been fixed in pypdf 6.9.2. If users cannot upgrade yet, consider applying the changes from the patch manually.
CVSS
No CVSS.
References
Configurations
No configuration.
History
No history.
Information
Published : 2026-03-27 01:16
Updated : 2026-03-30 13:26
NVD link : CVE-2026-33699
Mitre link : CVE-2026-33699
CVE.ORG link : CVE-2026-33699
JSON object : View
Products Affected
No product.
CWE
CWE-835
Loop with Unreachable Exit Condition ('Infinite Loop')
