CVE-2026-33699EPSS p40.9%
CVE-2026-33699CVE-2026-33699
py-pdf / pypdf
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.
Scoring
| CVSS | 7.5 () |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| EPSS | 0.47% probability of exploitation · percentile 40.9% · 2026-11-03T12:00:27Z |
| Last modified | 2026-11-02 |