pypdf is a free and open-source pure-python PDF library. Versions prior to 6.9.2 have a vulnerability in which an attacker can craft a PDF which leads to an infinite loop. This requires reading a file in non-strict mode. This has been fixed in pypdf 6.9.2. If users cannot upgrade yet, consider applying the changes from the patch manually.

There are packages installed that are affected by a vulnerability referenced in the following CVE:

  - pypdf is a free and open-source pure-python PDF library. Versions prior to 6.9.2 have a vulnerability in
    which an attacker can craft a PDF which leads to an infinite loop. This requires reading a file in non-
    strict mode. This has been fixed in pypdf 6.9.2. If users cannot upgrade yet, consider applying the
    changes from the patch manually. (CVE-2026-33699)

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - pypdf is a free and open-source pure-python PDF library. Versions prior to 6.9.2 have a vulnerability in     which an attacker can craft a PDF which leads to an infinite loop. This requires reading a file in non-     strict mode. This has been fixed in pypdf 6.9.2. If users cannot upgrade yet, consider applying the     changes from the patch manually. (CVE-2026-33699)

Note that Nessus relies on the presence of the package as reported by the vendor.

ID	Name	Product	Family	Type	Severity
458931	Echo: pypdf: security update to 6.9.2	Tenable Cloud Security	Echo Local Security Checks	Local	high
458931	Echo: pypdf: security update to 6.9.2	Tenable Self-Hosted Container Security	Echo Local Security Checks	Local	high
439223	SCA: security update for pypdf (GHSA-87mj-5ggw-8qc3)	Tenable Cloud Security	SCA Checks	Local	high
439223	SCA: security update for pypdf (GHSA-87mj-5ggw-8qc3)	Tenable Self-Hosted Container Security	SCA Checks	Local	high
303379	Linux Distros Unpatched Vulnerability : CVE-2026-33699	Nessus	Misc.	Local	high

Detections

Analytics

CVE-2026-33699

high

Tenable Plugins

high

high

high

high

high