Overview
About vulnerability
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.
Details
- Affected product:
- pypdf
- Affected packages:
- pypdf @ 5.9.0