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CVE-2006-3121

MediumPublished

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...

Published: Aug 17, 2006
Updated: Aug 7, 2024
Assigning CNA: debian
Evidence observed: Aug 13, 2006

Primary CVSS

5.0/ 10Medium

nvd · CVSS 2.0

AV:N/AC:L/Au:N/C:N/I:N/A:P

EPSS probability estimate

13.6%

Moderate · next 30 days

Percentile: 96.3%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

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 the length parameter in a heartbeat message.

Sources

Linux-HA Heartbeat 2.0.6 - Remote Denial of ServiceExploit
Yan Rong Ge · linux · Aug 13, 2006

Responsible use

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