An attacker can publish a zone containing specific Resource Record Sets. Processing and caching results for these sets can lead to an illegal memory accesses and crash of the Recursor, causing a denial of service. The remedy is: upgrade to the patched 5.2.1 version. We would like to thank Volodymyr Ilyin for bringing this issue to our attention.

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

  - An attacker can publish a zone containing specific Resource Record Sets. Processing and caching results
    for these sets can lead to an illegal memory accesses and crash of the Recursor, causing a denial of
    service. The remedy is: upgrade to the patched 5.2.1 version. We would like to thank Volodymyr Ilyin for
    bringing this issue to our attention. (CVE-2025-30195)

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

  - An attacker can publish a zone containing specific Resource Record Sets. Processing and caching results     for these sets can lead to an illegal memory accesses and crash of the Recursor, causing a denial of     service. The remedy is: upgrade to the patched 5.2.1 version. We would like to thank Volodymyr Ilyin for     bringing this issue to our attention. (CVE-2025-30195)

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

ID	Name	Product	Family	Severity
436386	Alpine: multiple pdns-recursor packages: security update to 5.2.0-r0	Tenable Cloud Security	Alpine Linux Local Security Checks	high
436386	Alpine: multiple pdns-recursor packages: security update to 5.2.0-r0	Tenable Self-Hosted Container Security	Alpine Linux Local Security Checks	high
249946	Linux Distros Unpatched Vulnerability : CVE-2025-30195	Nessus	Misc.	high
427790	Alpine: multiple pdns-recursor packages: security update to 5.2.1-r0	Tenable Cloud Security	Alpine Linux Local Security Checks	high
427790	Alpine: multiple pdns-recursor packages: security update to 5.2.1-r0	Tenable Self-Hosted Container Security	Alpine Linux Local Security Checks	high

Detections

Analytics

CVE-2025-30195

high

Tenable Plugins

high

high

high

high

high