Descriptiondhcpcd before 7.2.1 contains a buffer overflow in dhcp6_findna in dhcp6.c when reading NA/TA addresses.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
Debian Bugs928105

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
dhcpcd5 (PTS)stretch6.10.1-1fixed
buster, bullseye7.1.0-2fixed
bookworm, sid9.4.1-0.1fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
dhcpcd5sourcejessie(not affected)
dhcpcd5sourcestretch(not affected)


[stretch] - dhcpcd5 <not-affected> (Vulnerable code not present)
[jessie] - dhcpcd5 <not-affected> (Vulnerable code not present)

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