CVE-2026-93011
MEDIUM
NVD
CVSS Score
5.3
Severity
MEDIUM
Published
Oct 29, 2026
Vendor
unknown
Description
A flaw was found in dnsmasq. After a reduction of internal domain-name buffer sizes, the DNSSEC validator can write a few bytes past a name buffer when converting names to and from DNS wire format. An attacker who can cause the server to validate a crafted DNSSEC response may overwrite a small amount of adjacent heap metadata. DNSSEC support is not compiled in by default and must also be enabled at runtime.