Overview
About vulnerability
Impact
An attacker who uses this vulnerability can craft a PDF which leads to large memory usage. This requires extracting the text of a page which contains a form XObject with self-references.
Patches
This has been fixed in pypdf==6.12.2.
Workarounds
If you cannot upgrade yet, consider applying the changes from PR #3805.
Details
- Affected product:
- pypdf
- Affected packages:
- pypdf @ 5.9.0
Impact
An attacker who uses this vulnerability can craft a PDF which leads to large memory usage. This requires extracting the text of a page which contains a form XObject with self-references.
Patches
This has been fixed in pypdf==6.12.2.
Workarounds
If you cannot upgrade yet, consider applying the changes from PR #3805.