{"action":"Upgrade golang-1.26 to 1.26.4-1 or later.","affected":[{"fixed":"1.26.4-1","introduced":"0"}],"component":"golang-1.26","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["1.26.4-1"],"id":"tcs_01M5NR5M671NKH09BYZGZ1PARS","modified_at":"2026-10-12T11:00:43.134055512Z","published_at":"2026-06-02T23:16:35.570Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-27145","https://security-tracker.debian.org/tracker/CVE-2026-27145"],"severity":{"label":"medium","score":6.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-27145#Debian:14/golang-1.26","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-27145"}],"summary":"(*x509.Certificate).VerifyHostname previously called matchHostnames in a loop over all DNS Subject Alternative Name (SAN) entries. This caused strings.Split(host, \".\") to execute repeatedly on the sam"}