High severity7.5NVD Advisory· Published Apr 17, 2026· Updated Apr 17, 2026
CVE-2026-6507
CVE-2026-6507
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).
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Affected products
4- osv-coords3 versionspkg:rpm/opensuse/dnsmasq&distro=openSUSE%20Tumbleweedpkg:rpm/suse/dnsmasq&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5-LTSSpkg:rpm/suse/dnsmasq&distro=SUSE%20Linux%20Enterprise%20Server%20LTSS%20Extended%20Security%2012%20SP5
< 2.92-3.1+ 2 more
- (no CPE)range: < 2.92-3.1
- (no CPE)range: < 2.92rel2-18.27.1
- (no CPE)range: < 2.92rel2-18.27.1
Patches
Vulnerability mechanics
References
2News mentions
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