heartbeat.c in heartbeat before 2.0.6 sets insecure permissions in a shmget call for shared memory, which allows local users to cause an unspecified denial of service via unknown vectors, possibly during a short time window on startup.
Conclusion & alert: CVE-2006-3815 is rated Exploit Available (50/100): CVSS Low severity, with medium exploitation likelihood (EPSS 0.76%). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| 28287 | exploit_db | edb | 2006-07-27 | Exploit-DB ↗ |
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 0.17% | 0.76% | +0.58% |
| 2 | 2025-03-17 | 0.04% | 0.17% | +0.13% |
| 3 | 2023-03-07 | — | 0.04% | — |
Full EPSS history (4 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 2.1 | 2.0 | LOW |
|
3.9 | 2.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
not yet assigned | CVE-2006-3815 not yet assigned priority: Debian including 1 source packages (heartbeat), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2006-3815 |
gentoo
|
normal | CVE-2006-3815: 1 GLSA(s) (200608-23), 1 atom(s) (sys-cluster/heartbeat); latest impact normal. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2006-3815 |
ubuntu
|
medium | CVE-2006-3815 medium priority: Ubuntu including 1 source packages (heartbeat), 5 status rows across 5 suites (dapper, edgy, feisty, gutsy, upstream): released 4, needs-triage 1. | https://ubuntu.com/security/CVE-2006-3815 |