{"action":"Upgrade curl to 7.79.0-r0 or later.","affected":[{"fixed":"7.79.0-r0","introduced":"0"}],"component":"curl","cve_ids":[],"ecosystem":"Alpine","ecosystem_qualifier":"Alpine:v3.17","exploited":false,"fixed_versions":["7.79.0-r0"],"id":"tcs_01M5NCZB56GNBHJM8MB6SERKAV","modified_at":"2026-10-23T17:17:56.154189771Z","published_at":"2021-09-23T13:15:08.690Z","references":["https://osv.dev/vulnerability/ALPINE-CVE-2021-22945","https://security.alpinelinux.org/vuln/CVE-2021-22945"],"severity":{"label":"critical","score":9.1},"sources":[{"source":"osv","source_id":"ALPINE-CVE-2021-22945#Alpine:v3.17/curl","url":"https://osv.dev/vulnerability/ALPINE-CVE-2021-22945"}],"summary":"When sending data to an MQTT server, libcurl <= 7.73.0 and 7.78.0 could in some circumstances erroneously keep a pointer to an already freed memory area and both use that again in a subsequent call to"}