CVE-2026-93009 (GCVE-0-2026-93009)
Vulnerability from cvelistv5
Published
2026-10-29 13:13
Modified
2026-10-29 13:13
Severity ?
4.3 (Medium) - CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
CWE
Summary
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.
References
Impacted products
Vendor Product Version
Red Hat Red Hat Ceph Storage 9     cpe:/a:redhat:ceph_storage:9
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