{"action":"Upgrade unbound to 1.25.2-r0 or later.","affected":[{"fixed":"1.25.2-r0","introduced":"1.19.1"}],"component":"unbound","cve_ids":[],"ecosystem":"Alpine","ecosystem_qualifier":"Alpine:v3.23","exploited":false,"fixed_versions":["1.25.2-r0"],"id":"tcs_01M5NFRG6G59BBRNAH0PYKWMKF","modified_at":"2026-10-01T02:17:49.298075980Z","published_at":"2026-05-20T10:16:27.630Z","references":["https://osv.dev/vulnerability/ALPINE-CVE-2026-42923","https://security.alpinelinux.org/vuln/CVE-2026-42923"],"severity":{"label":"medium","score":5.3},"sources":[{"source":"osv","source_id":"ALPINE-CVE-2026-42923#Alpine:v3.23/unbound","url":"https://osv.dev/vulnerability/ALPINE-CVE-2026-42923"}],"summary":"NLnet Labs Unbound up to and including version 1.25.0 has a vulnerability in the DNSSEC validator where the code path to consult the negative cache for DS records does not take into account the limit"}