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.
References (5)
Core 5
Core References
Issue Tracking x_refsource_confirm
https://bugs.launchpad.net/ubuntu/+source/dhcpcd/+bug/1517226
Mailing List mailing-list
x_refsource_mlist
http://www.openwall.com/lists/oss-security/2015/12/02/1
Various Sources x_refsource_confirm
https://launchpadlibrarian.net/228152582/dhcp.c.patch
Third Party Advisory vendor-advisory
x_refsource_debian
http://www.debian.org/security/2016/dsa-3534
Mailing List mailing-list
x_refsource_mlist
http://www.openwall.com/lists/oss-security/2015/12/03/1
Scores
CVSS v3
7.5
EPSS
0.0197
EPSS Percentile
78.0%
Attack Vector
NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Details
CWE
CWE-119
Status
published
Products (6)
debian/debian_linux
7.0
dhcpcd_project/dhcpcd
3.1.9
dhcpcd_project/dhcpcd
3.2.0
dhcpcd_project/dhcpcd
3.2.1
dhcpcd_project/dhcpcd
3.2.2
dhcpcd_project/dhcpcd
3.2.3
Published
Apr 11, 2016
Tracked Since
Feb 18, 2026