How severe is CVE-2006-3815?

CVE-2006-3815 has a CVSS 2.0 base score of 2.1, rated low severity.

Is CVE-2006-3815 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2006-3815?

CVE-2006-3815 affects Linux-ha Heartbeat. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2006-3815?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2006-3815 published?

CVE-2006-3815 was published on 2006-07-25 and last updated on 2026-06-16.

CVE-2006-3815

CVE-2006-3815 is a low-severity vulnerability in Linux-ha Heartbeat with a CVSS 2.0 base score of 2.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-264.

Key facts

Severity: Low (CVSS 2.0 base score 2.1)
EPSS exploit prediction: 1% (51st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-264
Affected product: Linux-ha Heartbeat
Published: 2006-07-25
Last modified: 2026-06-16

Description

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.

Frequently asked questions

What is CVE-2006-3815?: 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.
How severe is CVE-2006-3815?: CVE-2006-3815 has a CVSS 2.0 base score of 2.1, rated low severity.
Is CVE-2006-3815 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2006-3815?: CVE-2006-3815 affects Linux-ha Heartbeat. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2006-3815?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2006-3815 published?: CVE-2006-3815 was published on 2006-07-25 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:linux-ha:heartbeat:*:*:*:*:*:*:*:*

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