{"action":"Upgrade heartbeat to 1.2.4-14 or later.","affected":[{"fixed":"1.2.4-14","introduced":"0"}],"component":"heartbeat","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["1.2.4-14"],"id":"tcs_01M5N8MC3KAVDD11P3EVRJWXAC","modified_at":"2026-10-22T23:47:22.123687927Z","published_at":"2006-08-17T01:04:00Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2006-3121","https://security-tracker.debian.org/tracker/CVE-2006-3121"],"severity":{"label":"unknown"},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2006-3121#Debian:14/heartbeat","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2006-3121"}],"summary":"The peel_netstring function in cl_netstring.c in the heartbeat subsystem in High-Availability Linux before 1.2.5, and 2.0 before 2.0.7, allows remote attackers to cause a denial of service (crash) via"}