How severe is CVE-2012-2979?

CVE-2012-2979 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2012-2979 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2012-2979?

CVE-2012-2979 affects Freebsd Name Server Daemon. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2012-2979?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2012-2979 published?

CVE-2012-2979 was published on 2019-11-01 and last updated on 2026-06-16.

CVE-2012-2979

CVE-2012-2979 is a high-severity vulnerability in Freebsd Name Server Daemon with a CVSS 3.x base score of 7.5. 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-669.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 4.3
EPSS exploit prediction: 2% (75th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-669
Affected product: Freebsd Name Server Daemon
Published: 2019-11-01
Last modified: 2026-06-16

Description

FreeBSD NSD before 3.2.13 allows remote attackers to crash a NSD child server process (SIGSEGV) and cause a denial of service in the NSD server.

Frequently asked questions

What is CVE-2012-2979?: FreeBSD NSD before 3.2.13 allows remote attackers to crash a NSD child server process (SIGSEGV) and cause a denial of service in the NSD server.
How severe is CVE-2012-2979?: CVE-2012-2979 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2012-2979 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2012-2979?: CVE-2012-2979 affects Freebsd Name Server Daemon. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2012-2979?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2012-2979 published?: CVE-2012-2979 was published on 2019-11-01 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:freebsd:name_server_daemon:*:*:*:*:*:*:*:*

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