Six new dnsmasq vulnerabilities open the door to DNS cache poisoning, local root
Six dnsmasq flaws enable DNS cache poisoning, DoS, memory leaks, and local root code execution; fixes ship in version 2.92rel2.
68
CVE-2026-2291
- CVSS 3.1
- 7.3 high
- EPSS
- <1%p47
- Published
- ·
- Modified
Description · NVD
dnsmasqs extract_name() function can be abused to cause a heap buffer overflow, allowing an attacker to inject false DNS cache entries, which could result in DNS lookups to redirect to an attacker-controlled IP address, or to cause a DoS.
- Vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L