CVE-2023-23009

Medium

Description

Libreswan 4.9 allows remote attackers to cause a denial of service (assert failure and daemon restart) via crafted TS payload with an incorrect selector length.

SeverityMedium

CVSS6.5

Exploit probability—

Product

Libreswan

PublishedFeb 21, 2023

First seenFeb 21, 2023

Weakness typeCWE-400Uncontrolled resource consumption

How to fix

Vendor advisories

debian.org/security/2023/dsa-5368
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2MFOIQX2LRL43P3GJT33DE7G7COHNXDN/
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CSMYJH7MC2FZGCY5NH5AXULO3ISXIHOF/

Affected products

Product	Affected versions	Fixed in
libreswan libreswan	4.9	—
debian debian_linux	11.0	—

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