What’s Vulnerable › Vulnerabilities

CVE-2012-6698

• Severity: high (CVSS 7.5 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.0% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2016-04-11 · updated 2026-06-16
• Weakness: CWE-119

Description

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

Affected products

• Debian Linux: 7.0
• NetworkConfiguration dhcpcd: 3.1.9, 3.2.0, 3.2.1, 3.2.2, 3.2.3

References

• http://www.debian.org/security/2016/dsa-3534
• http://www.openwall.com/lists/oss-security/2015/12/02/1
• http://www.openwall.com/lists/oss-security/2015/12/03/1
• https://bugs.launchpad.net/ubuntu/+source/dhcpcd/+bug/1517226
• https://launchpadlibrarian.net/228152582/dhcp.c.patch
• http://www.debian.org/security/2016/dsa-3534
• http://www.openwall.com/lists/oss-security/2015/12/02/1
• http://www.openwall.com/lists/oss-security/2015/12/03/1
• https://bugs.launchpad.net/ubuntu/+source/dhcpcd/+bug/1517226
• https://launchpadlibrarian.net/228152582/dhcp.c.patch

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