NIXPKGS-2026-1486

GitHub issue published 1 month, 2 weeks ago

Permalink CVE-2026-4890

7.5 HIGH

CVSS version (CVSS): 3.1
Attack Vector (AV): Network (N)
Attack Complexity (AC): Low (L)
Privileges Required (PR): None (N)
User Interaction (UI): None (N)
Scope (S): Unchanged (U)
Confidentiality (C): None (N)
Integrity (I): None (N)
Availability (A): High (H)
Modified Attack Vector (MAV): Network (N)
Modified Attack Complexity (MAC): Low (L)
Modified Privileges Required (MPR): None (N)
Modified User Interaction (MUI): None (N)
Modified Confidentiality (MC): None (N)
Modified Scope (MS): Unchanged (U)
Modified Integrity (MI): None (N)
Modified Availability (MA): High (H)

updated 1 month, 2 weeks ago by @LeSuisse Activity log

Created suggestion 1 month, 2 weeks ago
@LeSuisse ignored
2 references
- https://thekelleys.org.uk/dnsmasq/CVE/
- https://github.com/pi-hole/FTL/releases…
1 month, 2 weeks ago
@LeSuisse ignored package prometheus-dnsmasq-exporter 1 month, 2 weeks ago
@LeSuisse ignored maintainer @fpletz 1 month, 2 weeks ago maintainer.ignore
@LeSuisse accepted 1 month, 2 weeks ago
@LeSuisse published on GitHub 1 month, 2 weeks ago

CVE-2026-4890

A Denial of Service (DoS) vulnerability in the DNSSEC validation of dnsmasq allows remote attackers to cause a denial of service via a crafted DNS packet.

References

Ignored references (2)

Affected products

dnsmasq

==2.92rel2

Matching in nixpkgs

pkgs.dnsmasq

Integrated DNS, DHCP and TFTP server for small networks

nixos-unstable 2.92
- nixpkgs-unstable 2.92
- nixos-unstable-small 2.92

Ignored packages (1)

pkgs.prometheus-dnsmasq-exporter

Dnsmasq exporter for Prometheus

nixos-unstable 0.3.0
- nixpkgs-unstable 0.3.0
- nixos-unstable-small 0.3.0

Package maintainers

Ignored maintainers (1)

@fpletz Franz Pletz <fpletz@fnordicwalking.de>