Vulnerabilities
Vulnerable Software

Vulnerability Details CVE-2026-12725

A heap-based buffer overflow was found in dnsmasq. When DNSSEC validation and query logging are both enabled, logging of DS or DNSKEY replies containing unsupported algorithm or digest types can cause dnsmasq to write past the end of an internal logging buffer. A remote attacker able to supply such a DNS response may crash the dnsmasq process, resulting in denial of service.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.004
EPSS Ranking 32.5%
CVSS Severity
CVSS v3 Score 5.9
Products affected by CVE-2026-12725


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