CVE-2006-3121
MEDIUM · CVSS 5.0EPSS 13.6%EU EUVD
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.
Key facts
- CVSS score
- 5.0 (v2.0)
- Severity
- MEDIUM
- CVSS vector
AV:N/AC:L/Au:N/C:N/I:N/A:P- Weakness (CWE)
- CWE-399
- EPSS score
- 13.6% (96th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2006-3118)
- Published
- August 17, 2006
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2006-3118 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.
View on the EU Vulnerability DatabaseAffected products
- high availability linux project / heartbeat
- high availability linux project / heartbeat
- high availability linux project / heartbeat
- high availability linux project / heartbeat
- high availability linux project / heartbeat
- high availability linux project / heartbeat
- high availability linux project / heartbeat
- high availability linux project / heartbeat
References
- http://secunia.com/advisories/21505(Vendor Advisory)
- http://secunia.com/advisories/21511(Vendor Advisory)
- http://secunia.com/advisories/21518(Vendor Advisory)
- http://secunia.com/advisories/21521(Vendor Advisory)
- http://secunia.com/advisories/21629(Vendor Advisory)
- http://security.gentoo.org/glsa/glsa-200608-23.xml
- http://www.debian.org/security/2006/dsa-1151(Patch)
- http://www.linux-ha.org/SecurityIssues(Patch)
- http://www.linux-ha.org/_cache/SecurityIssues__sec03.txt
- http://www.mandriva.com/security/advisories?name=MDKSA-2006:142
- http://www.securityfocus.com/bid/19516(Patch)
- http://www.ubuntu.com/usn/usn-335-1
- http://www.vupen.com/english/advisories/2006/3288(Vendor Advisory)
- https://exchange.xforce.ibmcloud.com/vulnerabilities/28396
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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