DN
Product
dnsmasq
8
CVEs
0
On KEV
8.4
Max CVSS
0
New 30D
VulnerabilityHigh
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.
Aug 13, 2026·Zero Day Initiative