VDB
DEBIAN-CVE-2026-22691
DEBIAN-CVE-2026-22691
PUBLISHED
CVSS 5.300000190734863 MEDIUM
pypdf is a free and open-source pure-python PDF library. Prior to version 6.6.0, pypdf has possible long runtimes for malformed startxref. An attacker who uses this vulnerability can craft a PDF which leads to possibly long runtimes for invalid startxref entries. When rebuilding the cross-reference table, PDF files with lots of whitespace characters become problematic. Only the non-strict reading mode is affected. Only the non-strict reading mode is affected. This issue has been patched in version 6.6.0.
Risk Scores
CVSS 3.1
5.300000190734863
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Debian:12 | pypdf | 5.4.0-1, 4.1.0-1, 4.2.0-1 |
| Debian:14 | pypdf | 0, 5.4.0-1, 0 |
| Debian:11 | pypdf2 | 2.10.9-1, 2.10.5-1, 2.10.7-1 |
| Debian:13 | pypdf | 0, 6.9.2-1, 6.9.0-1 |
| Debian:12 | pypdf2 | 2.12.1-4, 2.12.1-3, 2.12.1-3 |
Timeline
- Jan 10, 2026 CVE Published
- Apr 28, 2026 CVE Updated