vulnerability
Red Hat: CVE-2023-38712: libreswan: Invalid IKEv1 repeat IKE SA delete causes crash and restart (Multiple Advisories)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 7 | (AV:N/AC:L/Au:S/C:N/I:N/A:C) | Aug 25, 2023 | Nov 8, 2023 | Mar 27, 2026 |
Severity
7
CVSS
(AV:N/AC:L/Au:S/C:N/I:N/A:C)
Published
Aug 25, 2023
Added
Nov 8, 2023
Modified
Mar 27, 2026
Description
An issue was discovered in Libreswan 3.x and 4.x before 4.12. When an IKEv1 ISAKMP SA Informational Exchange packet contains a Delete/Notify payload followed by further Notifies that act on the ISAKMP SA, such as a duplicated Delete/Notify message, a NULL pointer dereference on the deleted state causes the pluto daemon to crash and restart.
Solutions
redhat-upgrade-libreswanredhat-upgrade-libreswan-debuginforedhat-upgrade-libreswan-debugsource
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