{"cve":"CVE-2026-12725","nvd":{"published":"2026-06-22T16:16:34.490","modified":"2026-08-31T22:17:19.393","status":"Analyzed","description":"A heap-based buffer overflow was found in dnsmasq. When DNSSEC validation and\nquery logging are both enabled, logging of DS or DNSKEY replies containing\nunsupported algorithm or digest types can cause dnsmasq to write past the end\nof an internal logging buffer. A remote attacker able to supply such a DNS\nresponse may crash the dnsmasq process, resulting in denial of service.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","score":5.9},"cwes":["CWE-122"],"references":["https://access.redhat.com/security/cve/CVE-2026-12725","https://bugzilla.redhat.com/show_bug.cgi?id=2490763"],"products":["redhat:enterprise_linux","redhat:openshift_container_platform","thekelleys:dnsmasq"],"source":"nvd","synced_at":"2026-10-19T22:39:28.638635428+00:00"},"epss":{"cve":"CVE-2026-12725","score":0.00528,"percentile":0.44703,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}