Vulnerability Description
pypdf is a pure-python PDF library capable of splitting, merging, cropping, and transforming the pages of PDF files. 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. This issue has been addressed in PR 808 and versions from 1.27.9 include this fix. Users are advised to upgrade. There are no known workarounds for this vulnerability.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Pypdf Project | Pypdf | <= 1.27.8 |
Related Weaknesses (CWE)
References
- https://github.com/py-pdf/pypdf/issues/582ExploitIssue TrackingVendor Advisory
- https://github.com/py-pdf/pypdf/pull/808Patch
- https://github.com/py-pdf/pypdf/security/advisories/GHSA-jrm6-h9cq-8gqwExploitPatchVendor Advisory
- https://lists.debian.org/debian-lts-announce/2023/07/msg00019.html
- https://github.com/py-pdf/pypdf/issues/582ExploitIssue TrackingVendor Advisory
- https://github.com/py-pdf/pypdf/pull/808Patch
- https://github.com/py-pdf/pypdf/security/advisories/GHSA-jrm6-h9cq-8gqwExploitPatchVendor Advisory
- https://lists.debian.org/debian-lts-announce/2023/07/msg00019.html
FAQ
What is CVE-2023-36810?
CVE-2023-36810 is a vulnerability with a CVSS score of 6.2 (MEDIUM). pypdf is a pure-python PDF library capable of splitting, merging, cropping, and transforming the pages of PDF files. An attacker who uses this vulnerability can craft a PDF which leads to unexpected l...
How severe is CVE-2023-36810?
CVE-2023-36810 has been rated MEDIUM with a CVSS base score of 6.2/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2023-36810?
Check the references section above for vendor advisories and patch information. Affected products include: Pypdf Project Pypdf.