pypdf is a free and open-source pure-python PDF library. Prior to 6.15.0, a crafted PDF can cause large memory consumption when pypdf/_cmap.py function parse_bfrange parses unusually large source-code or destination-string tokens in a font /ToUnicode CMap 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 large
    memory consumption when pypdf/_cmap.py function parse_bfrange parses unusually large source-code or
    destination-string tokens in a font /ToUnicode CMap during text extraction. This issue is fixed in 6.15.0.
    (CVE-2026-71870)

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 large     memory consumption when pypdf/_cmap.py function parse_bfrange parses unusually large source-code or     destination-string tokens in a font /ToUnicode CMap during text extraction. This issue is fixed in 6.15.0.
    (CVE-2026-71870)

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

ID	Name	Product	Family	Type	Severity
459364	Echo: pypdf: security update to 6.15.0	Tenable Cloud Security	Echo Local Security Checks	Local	medium
459364	Echo: pypdf: security update to 6.15.0	Tenable Self-Hosted Container Security	Echo Local Security Checks	Local	medium
445844	SCA: security update for pypdf (GHSA-fp3f-mc75-235c)	Tenable Cloud Security	SCA Checks	Local	medium
445844	SCA: security update for pypdf (GHSA-fp3f-mc75-235c)	Tenable Self-Hosted Container Security	SCA Checks	Local	medium
333524	Linux Distros Unpatched Vulnerability : CVE-2026-71870	Nessus	Misc.	Local	medium

Detections

Analytics

CVE-2026-71870

medium

Tenable Plugins

medium

medium

medium

medium

medium