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.
CVSS Details
- CVSS 3.1 Base Score: 6.5
- CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alma_linux | alma-upgrade-libreswan | Nov 16, 2023 | Aug 25, 2023 | |
| Alpine Linux | alpine-linux-upgrade-libreswan | Aug 22, 2024 | Aug 25, 2023 | |
| Amazon Linux Ami 2 | amazon-linux-ami-2-upgrade-libreswanamazon-linux-ami-2-upgrade-libreswan-debuginfo | Oct 23, 2023 | Aug 25, 2023 | |
| Centos_linux | — | centos-upgrade-libreswancentos-upgrade-libreswan-debuginfocentos-upgrade-libreswan-debugsource | Nov 8, 2023 | Aug 25, 2023 |
| Debian | no-fix-debian-deb-package | May 15, 2025 | Aug 25, 2023 | |
| Oracle_linux | — | oracle-linux-upgrade-libreswan | Nov 22, 2023 | Aug 8, 2023 |
| Redhat Openshift | linuxrpm-upgrade-libreswan | Jan 10, 2025 | Aug 25, 2023 | |
| Redhat_linux | no-fix-redhat-rpm-packageredhat-upgrade-libreswanredhat-upgrade-libreswan-debuginforedhat-upgrade-libreswan-debugsource | Nov 8, 2023 | Aug 25, 2023 | |
| Rocky_linux | rocky-upgrade-libreswanrocky-upgrade-libreswan-debuginforocky-upgrade-libreswan-debugsource | May 25, 2026 | May 21, 2026 |
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