In stroke_socket.c in strongSwan before 5.6.3, a missing packet length check could allow a buffer underflow, which may lead to resource exhaustion and denial of service while reading from the socket.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | — | Upgrade strongswan | Jun 13, 2018 | May 31, 2018 |
| Arch Linux | — | Upgrade to the latest version of Arch Linux | Jul 11, 2025 | May 31, 2018 |
| Debian | — | Upgrade strongswan | Jun 19, 2018 | May 31, 2018 |
| Freebsd | — | Upgrade strongswan | Jun 1, 2018 | May 31, 2018 |
| Gentoo Linux | — | Upgrade net-vpn/strongswan. | Nov 27, 2018 | May 31, 2018 |
| Huawei Euleros 2_0_sp2 | — | Upgrade strongimcv | Dec 4, 2019 | May 31, 2018 |
| Huawei Euleros 2_0_sp3 | — | Upgrade strongimcv | Dec 18, 2019 | May 31, 2018 |
| Huawei Euleros 2_0_sp5 | — | Upgrade strongimcv | Feb 24, 2020 | May 31, 2018 |
| Redhat_linux | — | No solution exists | Jul 9, 2025 | May 31, 2018 |
| Suse | — | Upgrade strongswanUpgrade strongswan-nmUpgrade strongswan-hmacUpgrade strongswan-sqliteUpgrade strongswan-libs0Upgrade strongswan-docUpgrade strongswan-ipsecUpgrade strongswan-mysql | Dec 3, 2019 | May 31, 2018 |
| Ubuntu | — | Upgrade strongswanUpgrade libstrongswan | Oct 2, 2018 | May 31, 2018 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Jan 20, 2025 | May 31, 2018 |
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