{"action":"Upgrade curl to 7.79.1-1 or later.","affected":[{"fixed":"7.79.1-1","introduced":"0"}],"component":"curl","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["7.79.1-1"],"id":"tcs_01M5NFEF11JMFA70BAHSNDJFD9","modified_at":"2026-10-15T09:47:29.621437935Z","published_at":"2021-09-23T13:15:08.690Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2021-22945","https://security-tracker.debian.org/tracker/CVE-2021-22945"],"severity":{"label":"critical","score":9.1},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2021-22945#Debian:13/curl","url":"https://osv.dev/vulnerability/DEBIAN-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"}