This page tracks the Debian fix status. The vulnerability itself is described on the main CVE page.
View CVE-2026-40210 →
DEBIAN-CVE-2026-40210
An out-of-bounds read might happen when SetMacAddrAction is used, potentially resulting in uninitialized memory being sent over the network or a crash...
Original description
The description as published by the source.
An out-of-bounds read might happen when SetMacAddrAction is used, potentially resulting in uninitialized memory being sent over the network or a crash.
Source: OSV.dev (Open Source Vulnerabilities) OSV
Affected packages
Debian:12
dnsdist
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Debian:13
dnsdist
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.9.15-0+deb13u1"}]}]
Debian:14
dnsdist
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.1.0-1"}]}]
References
- advisory security-tracker.debian.org