CVE catalog
CVE-2006-3121
heartbeat: CVE-2006-3121
- Severity
- Medium
- Published
- Source
- [NVD] · [CVE record]
- EPSS
- 13.59% · Oct 25, 2026
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.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | heartbeat | sid | 1:3.0.6-20 | fixed |
| Debian | heartbeat | forky | 1:3.0.6-20 | fixed |
| Debian | heartbeat | trixie | 1:3.0.6-17 | fixed |
| Debian | heartbeat | bookworm | 1:3.0.6-13 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | heartbeat | source | sid | 1.2.4-14 | not yet assigned | Not reported | Not reported |
| Debian | heartbeat | source | forky | 1.2.4-14 | not yet assigned | Not reported | Not reported |
| Debian | heartbeat | source | trixie | 1.2.4-14 | not yet assigned | Not reported | Not reported |
| Debian | heartbeat | source | bookworm | 1.2.4-14 | not yet assigned | Not reported | Not reported |
OpenFactory catalog packages
[Debian 12 (Bookworm)]
- [heartbeat]Fixed
Source package: [heartbeat]
Details (2)
1:3.0.6-13+b2· amd64 · bookwormFixed · Fixed:
1.2.4-14dsa · heartbeat · debian · bookworm; dsa · heartbeat · debian · 12
1:3.0.6-13+b2· arm64 · bookwormFixed · Fixed:
1.2.4-14dsa · heartbeat · debian · bookworm; dsa · heartbeat · debian · 12
- [heartbeat-dev]Fixed
Source package: [heartbeat]
Details (2)
1:3.0.6-13+b2· amd64 · bookwormFixed · Fixed:
1.2.4-14dsa · heartbeat · debian · bookworm; dsa · heartbeat · debian · 12
1:3.0.6-13+b2· arm64 · bookwormFixed · Fixed:
1.2.4-14dsa · heartbeat · debian · bookworm; dsa · heartbeat · debian · 12
- [libheartbeat2]Fixed
Source package: [heartbeat]
Details (2)
1:3.0.6-13+b2· amd64 · bookwormFixed · Fixed:
1.2.4-14dsa · heartbeat · debian · bookworm; dsa · heartbeat · debian · 12
1:3.0.6-13+b2· arm64 · bookwormFixed · Fixed:
1.2.4-14dsa · heartbeat · debian · bookworm; dsa · heartbeat · debian · 12
- [libheartbeat2-dev]Fixed
Source package: [heartbeat]
Details (2)
1:3.0.6-13+b2· amd64 · bookwormFixed · Fixed:
1.2.4-14dsa · heartbeat · debian · bookworm; dsa · heartbeat · debian · 12
1:3.0.6-13+b2· arm64 · bookwormFixed · Fixed:
1.2.4-14dsa · heartbeat · debian · bookworm; dsa · heartbeat · debian · 12
[Debian 13 (Trixie)]
- [heartbeat]Fixed
Details (2)
1:3.0.6-17· amd64 · trixieFixed · Fixed:
1.2.4-14dsa · heartbeat · debian · 13
1:3.0.6-17· arm64 · trixieFixed · Fixed:
1.2.4-14dsa · heartbeat · debian · 13
- [heartbeat-dev]Fixed
Source package: [heartbeat]
Details (2)
1:3.0.6-17· amd64 · trixieFixed · Fixed:
1.2.4-14dsa · heartbeat · debian · 13
1:3.0.6-17· arm64 · trixieFixed · Fixed:
1.2.4-14dsa · heartbeat · debian · 13
- [libheartbeat2-dev]Fixed
Source package: [heartbeat]
Details (2)
1:3.0.6-17· amd64 · trixieFixed · Fixed:
1.2.4-14dsa · heartbeat · debian · 13
1:3.0.6-17· arm64 · trixieFixed · Fixed:
1.2.4-14dsa · heartbeat · debian · 13
- [libheartbeat2t64]Fixed
Source package: [heartbeat]
Details (2)
1:3.0.6-17· amd64 · trixieFixed · Fixed:
1.2.4-14dsa · heartbeat · debian · 13
1:3.0.6-17· arm64 · trixieFixed · Fixed:
1.2.4-14dsa · heartbeat · debian · 13
Observed: