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Debian Security Advisory DSA-5368-1                   security@debian.org
https://www.debian.org/security/                     Salvatore Bonaccorso
March 03, 2023                        https://www.debian.org/security/faq
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Package        : libreswan
CVE ID         : CVE-2023-23009
Debian Bug     : 1031821

It was discovered that the libreswan IPsec implementation could be
forced into a crash/restart via malformed IKEv2 packets after peer
authentication, resulting in denial of service.

For the stable distribution (bullseye), this problem has been fixed in
version 4.3-1+deb11u3.

We recommend that you upgrade your libreswan packages.

For the detailed security status of libreswan please refer to its
security tracker page at:
https://security-tracker.debian.org/tracker/libreswan

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/

Mailing list: debian-security-announce@lists.debian.org
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