Back to search
CVE-2026-33699
Published: Mar 26, 2026
Modified: Mar 27, 2026
PUBLISHED
Description
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.
| Vendor | Product | Versions |
|---|---|---|
py-pdf | pypdf | affected < 6.9.2 |
Weaknesses (CWE)
References
https://github.com/py-pdf/pypdf/security/advisories/GHSA-87mj-5ggw-8qc3
x_refsource_CONFIRM
https://github.com/py-pdf/pypdf/pull/3693
x_refsource_MISC
https://github.com/py-pdf/pypdf/releases/tag/6.9.2
x_refsource_MISC
Security Training
Train your team to recognize and prevent security threats with our comprehensive security awareness program.
Start TrainingVulnerability Scanning
Discover vulnerabilities in your applications and infrastructure before attackers do.
Scan Now