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.
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CVE-2026-4891
- CVSS 3.1
- 5.3 medium
- EPSS
- 6%p93
- Published
- ·
- Modified
Description · NVD
A heap-based out-of-bounds read vulnerability in the DNSSEC validation of dnsmasq allows remote attackers to cause a denial of service via a crafted DNS packet.
- Weakness
- CWE-125
- Vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N