{"action":"Upgrade curl to 8.21.0~rc2-1 or later.","affected":[{"fixed":"8.21.0~rc2-1","introduced":"0"}],"component":"curl","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["8.21.0~rc2-1"],"id":"tcs_01M5NVYP9XDFXR1N6KZ3CFAMHE","modified_at":"2026-10-01T03:03:51.257512063Z","published_at":"2026-07-03T07:16:24.630Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-8458","https://security-tracker.debian.org/tracker/CVE-2026-8458"],"severity":{"label":"medium","score":6.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-8458#Debian:14/curl","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-8458"}],"summary":"libcurl might in some circumstances reuse the wrong connection when asked to do Negotiate-authenticated ones, even when they are set to use different \"services\". libcurl features a pool of recent conn"}