DescriptionA buffer overflow vulnerability in the zepif_linkoutput() function of Free Software Foundation lwIP git head version and version 2.1.2 allows attackers to access sensitive information via a crafted 6LoWPAN packet.
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 Bugs991646

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
lwip (PTS)buster2.0.3-3+deb10u1vulnerable
bookworm, sid2.1.3+dfsg1-1vulnerable

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs


[bullseye] - lwip <no-dsa> (Minor issue)
[buster] - lwip <no-dsa> (Minor issue)

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