CVE-2006-3121

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.

• CWE-399

• http://secunia.com/advisories/21505Vendor Advisory
• http://secunia.com/advisories/21511Vendor Advisory
• http://secunia.com/advisories/21518Vendor Advisory
• http://secunia.com/advisories/21521Vendor Advisory
• http://secunia.com/advisories/21629Vendor Advisory
• http://security.gentoo.org/glsa/glsa-200608-23.xml
• http://www.debian.org/security/2006/dsa-1151Patch
• http://www.linux-ha.org/SecurityIssuesPatch
• http://www.linux-ha.org/_cache/SecurityIssues__sec03.txt
• http://www.mandriva.com/security/advisories?name=MDKSA-2006:142
• http://www.securityfocus.com/bid/19516Patch
• http://www.ubuntu.com/usn/usn-335-1
• http://www.vupen.com/english/advisories/2006/3288Vendor Advisory
• https://exchange.xforce.ibmcloud.com/vulnerabilities/28396
• http://secunia.com/advisories/21505Vendor Advisory
• http://secunia.com/advisories/21511Vendor Advisory
• http://secunia.com/advisories/21518Vendor Advisory
• http://secunia.com/advisories/21521Vendor Advisory
• http://secunia.com/advisories/21629Vendor Advisory
• http://security.gentoo.org/glsa/glsa-200608-23.xml
• http://www.debian.org/security/2006/dsa-1151Patch
• http://www.linux-ha.org/SecurityIssuesPatch
• http://www.linux-ha.org/_cache/SecurityIssues__sec03.txt
• http://www.mandriva.com/security/advisories?name=MDKSA-2006:142
• http://www.securityfocus.com/bid/19516Patch
• http://www.ubuntu.com/usn/usn-335-1
• http://www.vupen.com/english/advisories/2006/3288Vendor Advisory
• https://exchange.xforce.ibmcloud.com/vulnerabilities/28396

Published

Aug 17, 2006

Last Modified

Jun 16, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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