CVEvulnerability
CVE-2026-6507
7.5 HIGH
Official page ↗
- Status
- Awaiting Analysis
- Published
- 2026-04-17
- Last modified
- 2026-10-25
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Weaknesses
- CWE-787
Description
A flaw was found in dnsmasq. A remote attacker could exploit an out-of-bounds write vulnerability by sending a specially crafted BOOTREPLY (Bootstrap Protocol Reply) packet to a dnsmasq server configured with the `--dhcp-split-relay` option. This can lead to memory corruption, causing the dnsmasq daemon to crash and resulting in a denial of service (DoS).
Related
Weakness · CWE (1)
- CWE-787 Out-of-bounds Write weakness
References
- https://access.redhat.com/security/cve/CVE-2026-6507 access.redhat.com
- https://bugzilla.redhat.com/show_bug.cgi?id=2459181 bugzilla.redhat.com