CVE-2021-41990
HIGH7.5EPSS 1.4%strongswan - security update
Published: 10/18/2021Modified: 4/28/2026
Description
The gmp plugin in strongSwan before 5.9.4 has a remote integer overflow via a crafted certificate with an RSASSA-PSS signature. For example, this can be triggered by an unrelated self-signed CA certificate sent by an initiator. Remote code execution cannot occur.
Affected packages (3)
- Alpine/strongswanfrom 0, < 5.8.4-r3
- Debian/strongswanfrom 0, < 5.9.1-1+deb11u1
- Debian/strongswanfrom 0, < 5.7.2-1+deb10u1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |