{"id":"DEBIAN-CVE-2006-3121","details":"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 the length parameter in a heartbeat message.","modified":"2026-09-12T06:47:26.035073609Z","published":"2006-08-17T01:04:00Z","upstream":["CVE-2006-3121"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2006-3121"}],"affected":[{"package":{"name":"heartbeat","ecosystem":"Debian:12","purl":"pkg:deb/debian/heartbeat?arch=source&distro=bookworm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.2.4-14"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2006-3121.json"}},{"package":{"name":"heartbeat","ecosystem":"Debian:13","purl":"pkg:deb/debian/heartbeat?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.2.4-14"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2006-3121.json"}},{"package":{"name":"heartbeat","ecosystem":"Debian:14","purl":"pkg:deb/debian/heartbeat?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.2.4-14"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2006-3121.json"}}],"schema_version":"1.9.0"}