high7.5
CVE-2026-59936
pypdf: Possible infinite loop for not terminated inline images
Impact
pypdf is a free and open-source pure-python PDF library. Prior to 6.14.1, an attacker can craft a PDF with a page content stream containing a not terminated inline image, causing an infinite loop during inline image end marker detection such as when extracting page text. This issue is fixed in version 6.14.1.
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| pip | pypdf | < 6.14.1 | 6.14.1 |
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Pypdf Project | Pypdf | before 6.14.1 |
Weakness classification
References
- NVD record
- CVE.org record
- GitHub advisory
- https://github.com/advisories/GHSA-5xf7-4p34-54qr
- https://github.com/py-pdf/pypdf/security/advisories/GHSA-5xf7-4p34-54qr
- https://nvd.nist.gov/vuln/detail/CVE-2026-59936
- https://github.com/py-pdf/pypdf/pull/3891
- https://github.com/py-pdf/pypdf/commit/ec3b14596186c40caca7cf8ab9b2155203e01b5b
- https://github.com/py-pdf/pypdf/releases/tag/6.14.1