Debian/dnsmasq: medium 5.9
A heap-based buffer overflow was found in dnsmasq. When DNSSEC validation and query logging are both enabled, logging of DS or DNSKEY replies containing unsupported algorithm or digest types can cause
Action: Upgrade dnsmasq to 2.91-1+deb13u2 or later.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 2.91-1+deb13u2 | - |
Fixed versions
| 2.91-1+deb13u2 |
Sources
- osv: DEBIAN-CVE-2026-12725#Debian:13/dnsmasq
- https://security-tracker.debian.org/tracker/CVE-2026-12725
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