CVE-2026-4892
21Vexday Risk Score
Sin señal de explotación. Ningún artefacto público de explotación conocido hasta ahora.
ssvc Trackcvss 8.4epss 0.8%
probabilidad de explotación
0.8%top 45% de las CVE
explotación observada
noninguna fuente lo reporta
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.
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Productos afectados
dnsmasq · dnsmasqReferencias
https://access.redhat.com/errata/RHSA-2026:19158https://access.redhat.com/errata/RHSA-2026:19373https://access.redhat.com/errata/RHSA-2026:20589https://access.redhat.com/errata/RHSA-2026:34508https://access.redhat.com/errata/RHSA-2026:40762https://access.redhat.com/security/cve/CVE-2026-4892https://bugzilla.redhat.com/show_bug.cgi?id=2458518https://github.com/NixOS/nixpkgs/pull/519082https://github.com/NixOS/nixpkgs/pull/519093https://github.com/pi-hole/FTL/releases/tag/v6.6.2https://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2026q2/018471.htmlhttps://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-4892.json