CVE-2026-4891
Gravedad CVSS v3.1:
MEDIA
Tipo:
CWE-125
Lectura fuera de límites
Fecha de publicación:
11/05/2026
Última modificación:
02/07/2026
Descripción
*** Pendiente de traducción *** 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.
Impacto
Puntuación base 3.x
5.30
Gravedad 3.x
MEDIA
Referencias a soluciones, herramientas e información
- https://github.com/NixOS/nixpkgs/pull/519082
- https://github.com/NixOS/nixpkgs/pull/519093
- https://github.com/pi-hole/FTL/releases/tag/v6.6.2
- https://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2026q2/018471.html
- https://thekelleys.org.uk/dnsmasq/CVE/
- https://www.kb.cert.org/vuls/id/471747
- https://access.redhat.com/errata/RHSA-2026:19158
- https://access.redhat.com/errata/RHSA-2026:19373
- https://access.redhat.com/errata/RHSA-2026:20589
- https://access.redhat.com/errata/RHSA-2026:34508
- https://access.redhat.com/security/cve/CVE-2026-4891
- https://bugzilla.redhat.com/show_bug.cgi?id=2458517
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-4891.json



