{"action":"Upgrade csync2 to 2.0-25-gc0faaf9-1 or later.","affected":[{"fixed":"2.0-25-gc0faaf9-1","introduced":"0"}],"component":"csync2","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["2.0-25-gc0faaf9-1"],"id":"tcs_01M5NDXY0RH4ZPVZGJ47WH834S","modified_at":"2026-09-21T07:02:11.407824492Z","published_at":"2020-12-30T21:15:12.533Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2019-15523","https://security-tracker.debian.org/tracker/CVE-2019-15523"],"severity":{"label":"medium","score":5.3},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2019-15523#Debian:14/csync2","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2019-15523"}],"summary":"An issue was discovered in LINBIT csync2 through 2.0. It does not correctly check for the return value GNUTLS_E_WARNING_ALERT_RECEIVED of the gnutls_handshake() function. It neglects to call this func"}