{"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_01M5NPN7TX95PP1VW0CHK51936","modified_at":"2026-10-01T03:00:45.381921356Z","published_at":"2026-07-03T07:16:23.563Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-10536","https://security-tracker.debian.org/tracker/CVE-2026-10536"],"severity":{"label":"critical","score":9.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-10536#Debian:14/curl","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-10536"}],"summary":"A use-after-free vulnerability exists in libcurl when an application configures an HTTP/2 stream-dependency tree via `CURLOPT_STREAM_DEPENDS` or `CURLOPT_STREAM_DEPENDS_E`, subsequently invokes `curl_"}