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ZDI-26-584: dnsmasq DNSSEC NSEC/NSEC3 Type Bitmap Processing Infinite Loop Denial-of-Service Vulnerability

This vulnerability allows remote attackers to create a denial-of-service condition on affected installations of dnsmasq. Authentication is not required to exploit this vulnerability. The ZDI has assigned a CVSS rating of 7.5. The following CVEs are assigned: CVE-2026-4890.

EPSS 0.07 CVSS 7.5 CVE-2026-4890 dnsmasq US 2 zdrojů

Zero Day Initiative 13. 8. 07:00 · Microsoft Security 27. 5. 10:40