This page tracks the Debian fix status. The vulnerability itself is described on the main CVE page. View CVE-2026-52690 →

DEBIAN-CVE-2026-52690

Spoofing replies to Recursor might mark an IP of an authoritative server as not supporting EDNS, causing valdiation of DNSSEC records served by that s...

Original description

The description as published by the source.

Spoofing replies to Recursor might mark an IP of an authoritative server as not supporting EDNS, causing valdiation of DNSSEC records served by that server to fail.

Source: OSV.dev (Open Source Vulnerabilities) OSV

Affected packages

Debian:12 pdns-recursor

[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]

Debian:13 pdns-recursor

[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.2.11-0+deb13u1"}]}]

Debian:14 pdns-recursor

[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.4.3-1"}]}]

References

advisory security-tracker.debian.org