CVE-2012-3954

CVE-2012-3954 is a low-severity vulnerability in Isc Dhcp with a CVSS 2.0 base score of 3.3. 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-399.

Key facts

Description

Multiple memory leaks in ISC DHCP 4.1.x and 4.2.x before 4.2.4-P1 and 4.1-ESV before 4.1-ESV-R6 allow remote attackers to cause a denial of service (memory consumption) by sending many requests.

Frequently asked questions

What is CVE-2012-3954?
Multiple memory leaks in ISC DHCP 4.1.x and 4.2.x before 4.2.4-P1 and 4.1-ESV before 4.1-ESV-R6 allow remote attackers to cause a denial of service (memory consumption) by sending many requests.
How severe is CVE-2012-3954?
CVE-2012-3954 has a CVSS 2.0 base score of 3.3, rated low severity.
Is CVE-2012-3954 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (90th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2012-3954?
CVE-2012-3954 primarily affects Isc Dhcp. In total, 46 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2012-3954?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2012-3954 published?
CVE-2012-3954 was published on 2012-07-25 and last updated on 2026-06-16.

References

Affected products (46)

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