Debian/dnsmasq: medium 4.3
A flaw was found in dnsmasq. The DHCPv6 client hostname parser can read one byte past the end of a crafted FQDN option because it checks the next label length before confirming the pointer is still in
Action: No fix published. Pin and monitor.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | - | - |
Fixed versions
No fixed version in the source.
Sources
- osv: DEBIAN-CVE-2026-93009#Debian:14/dnsmasq
- https://security-tracker.debian.org/tracker/CVE-2026-93009
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