An issue was discovered in Libreswan before 4.12. When an IKEv1 Quick Mode connection configured with ID_IPV4_ADDR or ID_IPV6_ADDR receives an IDcr payload with ID_FQDN, a NULL pointer dereference causes a crash and restart of the pluto daemon. NOTE: the earliest affected version is 4.6.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alma_linux | — | Upgrade libreswan | Nov 16, 2023 | Aug 25, 2023 |
| Alpine Linux | — | Upgrade libreswan | Aug 22, 2024 | Aug 25, 2023 |
| Centos_linux | — | Upgrade libreswan-debugsourceUpgrade libreswan-debuginfoUpgrade libreswan | Nov 8, 2023 | Aug 25, 2023 |
| Debian | — | Upgrade libreswan | May 15, 2025 | Aug 25, 2023 |
| Oracle_linux | — | Upgrade libreswan | Nov 22, 2023 | Aug 8, 2023 |
| Redhat Openshift | — | Upgrade libreswan | Jan 10, 2025 | Aug 8, 2023 |
| Redhat_linux | — | Upgrade libreswanUpgrade libreswan-debugsourceUpgrade libreswan-debuginfo | Nov 8, 2023 | Aug 25, 2023 |
| Rocky_linux | — | Upgrade libreswan-debuginfoUpgrade libreswan-debugsourceUpgrade libreswan | May 25, 2026 | May 21, 2026 |
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