VDB
CVE-2026-59937
CVE-2026-59937
PUBLISHED
CVSS 6.900000095367432 MEDIUM
pypdf: Possible long runtimes for repeated malformed cross-reference entries
EPSS 0.34% · 26.7th percentile
Risk Scores
CVSS 4.0
6.900000095367432
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
EPSS Score
0.34%
26.7th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| wolfi | open-webui | 0, 0, 0 |
| chainguard | litellm | 0, 0, 0 |
| py-pdf | pypdf | < 6.14.0, < 6.14.0 |
| chainguard | open-webui | 0 |
| PyPI | pypdf | 0 |
Timeline
- Jul 8, 2026 CVE Published
- Jul 9, 2026 EPSS Score
- Jul 9, 2026 Coalition ESS Score
- Jul 23, 2026 CVE Updated
- Aug 7, 2026 EPSS Score
- Aug 7, 2026 Security Advisory
References
- https://nvd.nist.gov/vuln/detail/CVE-2026-59937 advisory
- https://github.com/advisories/GHSA-55h5-xmcq-c37v advisory
- https://github.com/py-pdf/pypdf/security/advisories/GHSA-55h5-xmcq-c37v url
- https://github.com/py-pdf/pypdf/pull/3887 patch
- https://github.com/py-pdf/pypdf/commit/b5fc5aa714f4b696fb9b1deaa35a9e4a4eb50dae patch
- https://github.com/py-pdf/pypdf/releases/tag/6.14.0 url