VDB
DEBIAN-CVE-2026-33123
DEBIAN-CVE-2026-33123
PUBLISHED
CVSS 6.5 MEDIUM
pypdf is a free and open-source pure-python PDF library. Versions prior to 6.9.1 allow an attacker to craft a malicious PDF which leads to long runtimes and/or large memory usage. Exploitation requires accessing an array-based stream with many entries. This issue has been fixed in version 6.9.1.
Risk Scores
CVSS 3.1
6.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Debian:11 | pypdf2 | 2.9.0-1, 1.26.0-4, 1.26.0-4+deb11u1 |
| Debian:14 | pypdf | 0, 5.4.0-1, 6.9.0-1 |
| Debian:13 | pypdf | 0, 5.4.0-1, 6.9.0-1 |
| Debian:12 | pypdf | 6.9.2-1, 4.0.0-1, 4.0.1-1 |
| Debian:12 | pypdf2 | 2.12.1-3, 2.12.1-3+deb12u1, 2.12.1-4 |
Timeline
- Mar 20, 2026 CVE Published
- Apr 28, 2026 CVE Updated