SB2026092242 - Debian update for strongswan
Published: September 22, 2026
Security Bulletin ID
SB2026092242
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Integer underflow (CVE-ID: CVE-2026-25075)
CWE-ID: CWE-191 - Integer underflow
CVSSv4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a remote attacker to cause a denial of service.
The vulnerability exists due to an integer underflow in the eap-ttls plugin when processing EAP-TTLS attribute-value pairs. A remote attacker can send a crafted EAP-TTLS message to cause a denial of service.
Remediation
Install update from vendor's website.