MEDIUM 6.2 PyPI
PyPDF2 quadratic runtime with malformed PDF missing xref marker
GHSA-jrm6-h9cq-8gqw · CVE-2023-36810 · PYSEC-2026-1837
Published · Modified
AI SAST
Find this class of vulnerability in your own code
Corgea's AI-native static analysis detects vulnerabilities like this one across your repositories, ranks them by exploitability, and returns review-ready fixes.
Description
Impact
An attacker who uses this vulnerability can craft a PDF which leads to unexpected long runtime.
This quadratic runtime blocks the current process and can utilize a single core of the CPU by 100%. It does not affect memory usage.
Patches
https://github.com/py-pdf/pypdf/pull/808
Workarounds
Is there a way for users to fix or remediate the vulnerability without upgrading?
References
References
- WEB https://github.com/py-pdf/pypdf/security/advisories/GHSA-jrm6-h9cq-8gqw
- ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2023-36810
- WEB https://github.com/py-pdf/pypdf/issues/582
- WEB https://github.com/py-pdf/pypdf/pull/808
- WEB https://github.com/py-pdf/pypdf/commit/c6c56f550bb384e05f0139c796ba1308837d6373
- PACKAGE https://github.com/py-pdf/pypdf
- WEB https://lists.debian.org/debian-lts-announce/2023/07/msg00019.html
Ready to move
Start Securing
Free, no credit card | First findings in minutes