pypdf is a free and open-source pure-python PDF library. Prior to 6.15.0, a crafted PDF can cause long runtimes and large memory consumption when pypdf/_font.py function Font._collect_cid_character_widths expands unusually large CID font /W width ranges or excessive width entries during text extraction. This issue is fixed in 6.15.0.

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. Prior to 6.15.0, a crafted PDF can cause long
    runtimes and large memory consumption when pypdf/_font.py function Font._collect_cid_character_widths
    expands unusually large CID font /W width ranges or excessive width entries during text extraction. This
    issue is fixed in 6.15.0. (CVE-2026-71852)

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. Prior to 6.15.0, a crafted PDF can cause long     runtimes and large memory consumption when pypdf/_font.py function Font._collect_cid_character_widths     expands unusually large CID font /W width ranges or excessive width entries during text extraction. This     issue is fixed in 6.15.0. (CVE-2026-71852)

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

ID	Name	Product	Family	Type	Severity
463345	Echo: pypdf: security update to 6.15.0	Tenable Cloud Security	Echo Local Security Checks	Local	medium
463345	Echo: pypdf: security update to 6.15.0	Tenable Self-Hosted Container Security	Echo Local Security Checks	Local	medium
333383	Linux Distros Unpatched Vulnerability : CVE-2026-71852	Nessus	Misc.	Local	medium

Detections

Analytics

CVE-2026-71852

medium

Tenable Plugins

medium

medium

medium