CVE-2026-4893

MEDIUM

5.3

Beschreibung

An information disclosure vulnerability in dnsmasq allows remote attackers to bypass source checks via a crafted DNS packet with RFC 7871 client subnet information.

CVE Details

CVSS v3.1 Bewertung5.3

SchweregradMEDIUM

CVSS VektorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

AngriffsvektorNETWORK

KomplexitatLOW

Erforderliche PrivilegienNONE

BenutzerinteraktionNONE

Veroffentlicht5/11/2026

Zuletzt geandert5/12/2026

Quellenvd

Honeypot-Sichtungen0

Referenzen

https://github.com/NixOS/nixpkgs/pull/519082(cret@cert.org)

https://github.com/NixOS/nixpkgs/pull/519093(cret@cert.org)

https://github.com/pi-hole/FTL/releases/tag/v6.6.2(cret@cert.org)

https://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2026q2/018471.html(cret@cert.org)

https://thekelleys.org.uk/dnsmasq/CVE/(cret@cert.org)

https://www.kb.cert.org/vuls/id/471747(cret@cert.org)

IOC Korrelationen

Keine Korrelationen erfasst

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