CVE-2026-4892
HIGH8.4EPSS 0.01%Published: 5/11/2026Modified: 5/14/2026
Also known as:ALPINE-CVE-2026-4892
Description
A heap-based out-of-bounds write vulnerability in the DHCPv6 implementation of dnsmasq allows local attackers to execute arbitrary code with root privileges via a crafted DHCPv6 packet.
Affected packages (2)
- Alpine/dnsmasqfrom 0, < 2.91-r1
- Debian/dnsmasqfrom 0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH8.4 | CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |