CVE-2012-6699

HIGHNVD 7.57.5—

7.5

The decode_search function in dhcp.c in dhcpcd 3.x allows remote DHCP servers to cause a denial of service (out-of-bounds read) via a crafted response.

CVSS v3: 7.5
EG Score: 7.5(medium)
EPSS: 69.9%
KEV: Not listed

Published

April 11, 2016

Last Modified

May 6, 2026

References (10)

cve@mitrehttp://www.debian.org/security/2016/dsa-3534
cve@mitrehttp://www.openwall.com/lists/oss-security/2015/12/02/1
cve@mitrehttp://www.openwall.com/lists/oss-security/2015/12/03/1
cve@mitrehttps://bugs.launchpad.net/ubuntu/+source/dhcpcd/+bug/1517226
cve@mitrehttps://launchpadlibrarian.net/228152582/dhcp.c.patch
af854a3a-2127-422b-91ae-364da2661108http://www.debian.org/security/2016/dsa-3534
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2015/12/02/1
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2015/12/03/1
af854a3a-2127-422b-91ae-364da2661108https://bugs.launchpad.net/ubuntu/+source/dhcpcd/+bug/1517226
af854a3a-2127-422b-91ae-364da2661108https://launchpadlibrarian.net/228152582/dhcp.c.patch

Data Freshness Timeline

(refreshed 9× in last 7d / 20× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

2026-06-08 14:14 UTCEPSS rescore
2026-06-07 15:22 UTCEPSS rescore
2026-06-06 21:29 UTCOSV refresh
2026-06-06 13:45 UTCEPSS rescore
2026-06-06 13:45 UTCEPSS rescore
2026-06-05 22:44 UTCEPSS rescore
2026-06-05 22:44 UTCEPSS rescore
2026-06-05 06:08 UTCEPSS rescore
2026-06-05 06:08 UTCEPSS rescore
2026-06-02 20:10 UTCEPSS rescore
2026-06-02 20:10 UTCEPSS rescore
2026-05-31 22:28 UTCEPSS rescore
2026-05-31 22:28 UTCEPSS rescore
2026-05-31 00:14 UTCEPSS rescore
2026-05-31 00:14 UTCEPSS rescore
2026-05-29 13:41 UTCEPSS rescore
2026-05-29 13:41 UTCEPSS rescore
2026-05-28 13:42 UTCEPSS rescore
2026-05-28 13:42 UTCEPSS rescore
2026-05-28 13:42 UTCEPSS rescore

Frequently asked(5)

What is CVE-2012-6699?

CVE-2012-6699 is a high vulnerability published on April 11, 2016. The decode_search function in dhcp.c in dhcpcd 3.x allows remote DHCP servers to cause a denial of service (out-of-bounds read) via a crafted response.

When was CVE-2012-6699 disclosed?

CVE-2012-6699 was first published in the National Vulnerability Database on April 11, 2016, with the most recent update on May 6, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2012-6699 actively exploited?

CVE-2012-6699 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 69.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2012-6699?

CVE-2012-6699 has a CVSS v3 base score of 7.5 (NVD).

How do I remediate CVE-2012-6699?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2012-6699, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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CVE-2012-6699

📅 Published

🔄 Last Modified

🔗 References (10)