Kurz gesagt
- CVE-2026-54651 ist eine Schwachstelle (MITTEL (CVSS 5.5)) in pypdf, pypdf (pypdf project).
- Wahrscheinlichkeit einer Ausnutzung in den nächsten 30 Tagen (EPSS): 0.16%, höher als bei 4.9% aller Schwachstellen.
- Abhilfe: auf 6.13.1 oder neuer aktualisieren.
| Package | Affected versions | Patched versions |
|---|
| pypdf PyPI | < 6.13.1
| 6.13.1
|
| pypdf | < 6.13.1
| 6.13.1
|
Description
Impact
An attacker who uses this vulnerability can craft a PDF which leads to an infinite loop. This requires merging a file with threads/articles into a writer.
Patches
This has been fixed in pypdf==6.13.1.
Workarounds
If users cannot upgrade yet, consider applying the changes from PR #3839.
NVD description
pypdf is a free and open-source pure-python PDF library. Prior to 6.13.1, an attacker who uses this vulnerability can craft a PDF which leads to an infinite loop. This requires merging a file with threads/articles into a writer. This vulnerability is fixed in 6.13.1.
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