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A lwip security update has been released for Debian GNU/Linux 10 LTS to address a buffer overflow vulnerability.

[SECURITY] [DLA 3655-1] lwip security update

Debian LTS Advisory DLA-3655-1 Tobias Frost
November 18, 2023

Package : lwip
Version : 2.0.3-3+deb10u2
CVE ID : CVE-2020-22283
Debian Bug : 991646

A buffer overflow vulnerability has been found in lwip, a small independent
implementation of the TCP/IPv4/IPv6 protocol suite, which allows an attacker
to access information via a crafted ICMPv6 package. This vulnerability
has been assigned CVE-2020-22283.

For Debian 10 buster, this problem has been fixed in version

We recommend that you upgrade your lwip packages.

For the detailed security status of lwip please refer to
its security tracker page at:

Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: