{"cve":"CVE-2006-3121","nvd":{"published":"2006-08-17T01:04:00.000","modified":"2026-06-16T22:26:26.733","status":"Modified","description":"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.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-399"],"references":["http://secunia.com/advisories/21505","http://secunia.com/advisories/21511","http://secunia.com/advisories/21518","http://secunia.com/advisories/21521","http://secunia.com/advisories/21629"],"products":["high_availability_linux_project:heartbeat"],"source":"nvd","synced_at":"2026-10-19T19:42:44.451428143+00:00"},"epss":{"cve":"CVE-2006-3121","score":0.13589,"percentile":0.96465,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}