CVE-2026-27853

MEDIUM

5.9

Descricao

An attacker might be able to trigger an out-of-bounds write by sending crafted DNS responses to a DNSdist using the DNSQuestion:changeName or DNSResponse:changeName methods in custom Lua code. In some cases the rewritten packet might become larger than the initial response and even exceed 65535 bytes, potentially leading to a crash resulting in denial of service.

Detalhes CVE

Pontuacao CVSS v3.15.9

SeveridadeMEDIUM

Vetor CVSSCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

Vetor de ataqueNETWORK

ComplexidadeHIGH

Privilegios necessariosNONE

Interacao do usuarioNONE

Publicado3/31/2026

Ultima modificacao4/1/2026

Fontenvd

Avistamentos honeypot0

Fraquezas (CWE)

CWE-787

Referencias

https://www.dnsdist.org/security-advisories/powerdns-advisory-for-dnsdist-2026-02.html(security@open-xchange.com)

Correlacoes IOC

Sem correlacoes registradas

This product uses data from the NVD API but is not endorsed or certified by the NVD.