GHSA-996q-pr4m-cvgqMedium
pypdf has a possible infinite loop when processing TreeObject
🔗 CVE IDs covered (1)
📋 Description
Impact
An attacker who uses this vulnerability can craft a PDF which leads to an infinite loop. This requires accessing the children of a TreeObject, for example as part of outlines.
Patches
This has been fixed in pypdf==6.7.1.
Workarounds
If you cannot upgrade yet, consider applying the changes from PR #3645.
🎯 Affected products1
- pip/pypdf:< 6.7.1
🔗 References (6)
- https://github.com/py-pdf/pypdf/security/advisories/GHSA-996q-pr4m-cvgq
- https://github.com/py-pdf/pypdf/pull/3645
- https://github.com/py-pdf/pypdf/commit/bd2f6d052fe5941e85e37082c2a43453d48d1295
- https://github.com/py-pdf/pypdf/releases/tag/6.7.1
- https://nvd.nist.gov/vuln/detail/CVE-2026-27024
- https://github.com/advisories/GHSA-996q-pr4m-cvgq