MEDIUM
GHSA-m2v9-299j-rv96
pypdf: Possible infinite loop when processing outlines/bookmarks in writer
Details
### Impact
An attacker who uses this vulnerability can craft a PDF which leads to an infinite loop. This requires merging a file with outlines into a writer.
### Patches
This has been fixed in [pypdf==6.13.0](https://github.com/py-pdf/pypdf/releases/tag/6.13.0).
### Workarounds
If you cannot upgrade yet, consider applying the changes from PR [#3830](https://github.com/py-pdf/pypdf/pull/3830).
Are you affected?
Enter the version of the package you're using.