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7.5высокая

CVE-2026-6507

Описание

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).

CVSS
Балл7.5 — высокая
ВекторCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Источники
https://access.redhat.com/security/cve/CVE-2026-6507https://bugzilla.redhat.com/show_bug.cgi?id=2459181