VDB
CVE-2026-33699
CVE-2026-33699
PUBLISHED
CVSS 4.599999904632568 MEDIUM
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.
EPSS 0.02% · 4.5th percentile
Risk Scores
CVSS v4.0
4.599999904632568
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U
EPSS Score
0.02%
4.5th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| PyPI | pypdf | 0, 0, 0 |
| py-pdf | pypdf | < 6.9.2, < 6.9.2, < 6.9.2 |
| pypdf_project | pypdf | 0 |
Timeline
- Mar 25, 2026 CVE Published
- Mar 26, 2026 Security Advisory
- Mar 27, 2026 CVE Updated
- May 18, 2026 EPSS Score
- May 19, 2026 EPSS Score
- May 20, 2026 EPSS Score
- May 21, 2026 EPSS Score
- May 22, 2026 EPSS Score
- May 23, 2026 EPSS Score
- May 24, 2026 EPSS Score
- May 25, 2026 EPSS Score
- May 26, 2026 EPSS Score