pypdf is a free and open-source pure-python PDF library. In versions prior to 6.10.0, manipulated XMP metadata entity declarations can exhaust RAM. An attacker who exploits this vulnerability can craft a PDF which leads to large memory usage. This requires parsing the XMP metadata. This issue has been fixed in version 6.10.0.

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. In versions prior to 6.10.0, manipulated XMP
    metadata entity declarations can exhaust RAM. An attacker who exploits this vulnerability can craft a PDF
    which leads to large memory usage. This requires parsing the XMP metadata. This issue has been fixed in
    version 6.10.0. (CVE-2026-40260)

The remote openSUSE 16 host has a package installed that is affected by a vulnerability as referenced in the openSUSE- SU-2026:20598-1 advisory.

    Changes in python-PyPDF2:

    - CVE-2026-40260: crafted PDF can lead to large memory usage (bsc#1262284)

Tenable has extracted the preceding description block directly from the SUSE security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

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. In versions prior to 6.10.0, manipulated XMP     metadata entity declarations can exhaust RAM. An attacker who exploits this vulnerability can craft a PDF     which leads to large memory usage. This requires parsing the XMP metadata. This issue has been fixed in     version 6.10.0. (CVE-2026-40260)

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

ID	Name	Product	Family	Type	Severity
458405	Echo: pypdf: security update to 6.10.0	Tenable Cloud Security	Echo Local Security Checks	Local	medium
458405	Echo: pypdf: security update to 6.10.0	Tenable Self-Hosted Container Security	Echo Local Security Checks	Local	medium
309890	openSUSE 16 Security Update : python-PyPDF2 (openSUSE-SU-2026:20598-1)	Nessus	SuSE Local Security Checks	Local	medium
307345	Linux Distros Unpatched Vulnerability : CVE-2026-40260	Nessus	Misc.	Local	medium

Detections

Analytics

CVE-2026-40260

medium

Tenable Plugins

medium

medium

medium

medium