Vulnerability Description
pypdf is a free and open-source pure-python PDF library. Prior to 6.14.2, an attacker can craft a PDF with a page content stream containing a not terminated inline image that uses the ASCII85 or ASCIIHex filters, causing an infinite loop during parsing such as when extracting page text. This issue is fixed in version 6.14.2.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Pypdf Project | Pypdf | < 6.14.2 |
Related Weaknesses (CWE)
References
- https://github.com/py-pdf/pypdf/commit/5a33a46416aa1ae6c025ff90a3cca57631fdafd2Patch
- https://github.com/py-pdf/pypdf/pull/3892Issue TrackingPatch
- https://github.com/py-pdf/pypdf/releases/tag/6.14.2ProductRelease Notes
- https://github.com/py-pdf/pypdf/security/advisories/GHSA-g867-7843-wf8qPatchVendor Advisory
FAQ
What is CVE-2026-59935?
CVE-2026-59935 is a vulnerability with a CVSS score of 7.5 (HIGH). pypdf is a free and open-source pure-python PDF library. Prior to 6.14.2, an attacker can craft a PDF with a page content stream containing a not terminated inline image that uses the ASCII85 or ASCII...
How severe is CVE-2026-59935?
CVE-2026-59935 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-59935?
Check the references section above for vendor advisories and patch information. Affected products include: Pypdf Project Pypdf.