{"action":"Upgrade golang-1.26 to 1.26.3-1 or later.","affected":[{"fixed":"1.26.3-1","introduced":"0"}],"component":"golang-1.26","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["1.26.3-1"],"id":"tcs_01M5NRR8V1HAGCWR6QCVCS2W5B","modified_at":"2026-10-26T11:47:38.280695913Z","published_at":"2026-05-07T20:16:42.770Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-33811","https://security-tracker.debian.org/tracker/CVE-2026-33811"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-33811#Debian:14/golang-1.26","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-33811"}],"summary":"When using LookupCNAME with the cgo DNS resolver, a very long CNAME response can trigger a double-free of C memory and a crash."}