vulnerability
Ubuntu: (Multiple Advisories) (CVE-2023-41913): strongSwan vulnerability
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 10 | (AV:N/AC:L/Au:N/C:C/I:C/A:C) | Nov 20, 2023 | Nov 21, 2023 | Apr 16, 2026 |
Severity
10
CVSS
(AV:N/AC:L/Au:N/C:C/I:C/A:C)
Published
Nov 20, 2023
Added
Nov 21, 2023
Modified
Apr 16, 2026
Description
strongSwan before 5.9.12 has a buffer overflow and possible unauthenticated remote code execution via a DH public value that exceeds the internal buffer in charon-tkm's DH proxy. The earliest affected version is 5.3.0. An attack can occur via a crafted IKE_SA_INIT message.
Solutions
ubuntu-pro-upgrade-libstrongswanubuntu-pro-upgrade-strongswanubuntu-upgrade-libstrongswanubuntu-upgrade-strongswan
Rapid7 Labs
2026 Global Threat Landscape Report
The predictive window has collapsed. Exploitation follows disclosure in days. See how attackers are accelerating and how to stay ahead.