Kurz gesagt
- CVE-2026-27628 ist eine Schwachstelle (HOCH (CVSS 7.5)) in pypdf, pypdf (pypdf project).
- Wahrscheinlichkeit einer Ausnutzung in den nächsten 30 Tagen (EPSS): 0.40%, höher als bei 33.9% aller Schwachstellen.
- Abhilfe: auf 6.7.2 oder neuer aktualisieren.
| Package | Affected versions | Patched versions |
|---|
| pypdf PyPI | < 6.7.2
| 6.7.2
|
| pypdf | < 6.7.2
| 6.7.2
|
Description
Impact
An attacker who uses this vulnerability can craft a PDF which leads to an infinite loop. This requires reading the file.
Patches
This has been fixed in pypdf==6.7.2.
Workarounds
If users cannot upgrade yet, consider applying the changes from PR #3655.
NVD description
pypdf is a free and open-source pure-python PDF library. Prior to 6.7.2, an attacker who uses this vulnerability can craft a PDF which leads to an infinite loop. This requires reading the file. This has been fixed in pypdf 6.7.2. As a workaround, one may apply the patch manually.
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