SB2026092229 - Double free in strongSwan
Published: September 22, 2026
Security Bulletin ID
SB2026092229
CSH Severity
High
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Double free (CVE-ID: CVE-2026-47895)
CWE-ID: CWE-415 - Double Free
CVSSv4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a remote attacker to potentially execute arbitrary code.
The vulnerability exists due to a double free in the identification_t class clone() method when processing a crafted empty EAP identity. A remote attacker can send a crafted EAP identity to potentially execute arbitrary code.
Remediation
Install update from vendor's website.