How severe is CVE-2012-6700?

CVE-2012-6700 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-2012-6700 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2012-6700?

CVE-2012-6700 primarily affects Dhcpcd Project Dhcpcd. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2012-6700?

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-2012-6700 published?

CVE-2012-6700 was published on 2016-04-11 and last updated on 2026-06-16.

CVE-2012-6700

CVE-2012-6700 is a high-severity vulnerability in Dhcpcd Project Dhcpcd 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-119.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 2% (78th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Dhcpcd Project Dhcpcd
Published: 2016-04-11
Last modified: 2026-06-16

Description

The decode_search function in dhcp.c in dhcpcd 3.x does not properly free allocated memory, which allows remote DHCP servers to cause a denial of service via a crafted response.

Frequently asked questions

What is CVE-2012-6700?: The decode_search function in dhcp.c in dhcpcd 3.x does not properly free allocated memory, which allows remote DHCP servers to cause a denial of service via a crafted response.
How severe is CVE-2012-6700?: CVE-2012-6700 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-2012-6700 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2012-6700?: CVE-2012-6700 primarily affects Dhcpcd Project Dhcpcd. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2012-6700?: 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-2012-6700 published?: CVE-2012-6700 was published on 2016-04-11 and last updated on 2026-06-16.

References

Affected products (6)

cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*
cpe:2.3:a:dhcpcd_project:dhcpcd:3.1.9:*:*:*:*:*:*:*
cpe:2.3:a:dhcpcd_project:dhcpcd:3.2.0:*:*:*:*:*:*:*
cpe:2.3:a:dhcpcd_project:dhcpcd:3.2.1:*:*:*:*:*:*:*
cpe:2.3:a:dhcpcd_project:dhcpcd:3.2.2:*:*:*:*:*:*:*
cpe:2.3:a:dhcpcd_project:dhcpcd:3.2.3:*:*:*:*:*:*:*

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