CVE-2026-59936
highpypdf is a free and open-source pure-python PDF library.
Vendor / product: Py-pdf — pypdf
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.
CVSS
7.5
7.5 (CVSS v3.1)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Severity source: NVD CVSS v3.1 (nvd@nist.gov)
Timeline (UTC)
Published: 2026-07-08 20:16
Modified: 2026-11-02 16:06
NVD status: Analyzed
Last synced 1 day ago
Verified against the source API 2026-11-03 07:34 UTC
Exploitation
Not listed in CISA KEV (as of last catalog sync)
Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).
Affected products
py-pdf / pypdf <6.14.1
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
Patch / mitigation: https://github.com/py-pdf/pypdf/commit/ec3b14596186c40caca7cf8ab9b2155203e01b5b
Patch / mitigation: https://github.com/py-pdf/pypdf/pull/3891
Patch / mitigation: https://github.com/py-pdf/pypdf/security/advisories/GHSA-5xf7-4p34-54qr
References
- https://github.com/py-pdf/pypdf/commit/ec3b14596186c40caca7cf8ab9b2155203e01b5b security-advisories@github.com
- https://github.com/py-pdf/pypdf/pull/3891 security-advisories@github.com
- https://github.com/py-pdf/pypdf/releases/tag/6.14.1 security-advisories@github.com
- https://github.com/py-pdf/pypdf/security/advisories/GHSA-5xf7-4p34-54qr security-advisories@github.com
Data sources
NVD CVE API 2.0 — fetched 2026-11-03 07:34 UTC · record ↗