UNKNOWN PyPI
pypdf has a possible infinite loop when processing TreeObject
GHSA-996q-pr4m-cvgq · CVE-2026-27024 · PYSEC-2026-3013
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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.
References
- WEB https://github.com/py-pdf/pypdf/security/advisories/GHSA-996q-pr4m-cvgq
- ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2026-27024
- WEB https://github.com/py-pdf/pypdf/pull/3645
- WEB https://github.com/py-pdf/pypdf/commit/bd2f6d052fe5941e85e37082c2a43453d48d1295
- PACKAGE https://github.com/py-pdf/pypdf
- WEB https://github.com/py-pdf/pypdf/releases/tag/6.7.1
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