CVEvulnerability

CVE-2026-93009

4.3 MEDIUM Published 2026-10-29 Modified 2026-10-29 Official page ↗
Status
Awaiting Analysis
Published
2026-10-29
Last modified
2026-10-29
Assigner
[email protected]
CVSS 3.1 ([email protected])
4.3 MEDIUM — CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Weaknesses
CWE-125

Description

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 inside the option. An attacker on the local network can trigger this with a single DHCPv6 packet. The extra byte is not returned to the client or logged, and no crash has been demonstrated.

Related

Weakness · CWE (1)

  • CWE-125 Out-of-bounds Read weakness

References