GHSA-39mj-jf6j-2qj3Medium
pypdf: Possible infinite loop when hitting EOF in standard xref table
🔗 CVE IDs covered (1)
📋 Description
Impact
An attacker who uses this vulnerability can craft a PDF which leads to an infinite loop. This requires an incomplete file which ends inside the xref table.
Patches
This has been fixed in pypdf==6.20.0.
Workarounds
If you cannot upgrade yet, consider applying the changes from PR #4170.
Notes
This has been reported through both the secure channel and as a public issue at #4169.
🎯 Affected products1
- pip/pypdf:< 6.20.0
🔗 References (6)
- https://github.com/py-pdf/pypdf/security/advisories/GHSA-39mj-jf6j-2qj3
- https://github.com/py-pdf/pypdf/issues/4169
- https://github.com/py-pdf/pypdf/pull/4170
- https://github.com/py-pdf/pypdf/commit/37e1cd681744bac38b159f7e1c614eee8d639c58
- https://github.com/py-pdf/pypdf/releases/tag/6.20.0
- https://github.com/advisories/GHSA-39mj-jf6j-2qj3