GHSA-32px-jfgq-53xfHighCVSS 7.5
A Denial of Service (DoS) vulnerability in the DNSSEC validation of dnsmasq allows remote...
🔗 CVE IDs covered (1)
📋 Description
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 (15)
- https://nvd.nist.gov/vuln/detail/CVE-2026-4890
- https://thekelleys.org.uk/dnsmasq
- https://www.kb.cert.org/vuls/id/471747
- 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://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/security/cve/CVE-2026-4890
- https://bugzilla.redhat.com/show_bug.cgi?id=2458516
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-4890.json
- https://github.com/advisories/GHSA-32px-jfgq-53xf