CVE-2025-62291
Fixed in a distro release EPSS <1%CVSS 8.1
In the eap-mschapv2 plugin (client-side) in strongSwan before 6.0.3, a malicious EAP-MSCHAPv2 server can send a crafted message of size 6 through 8, and cause an integer underflow that potentially results in a heap-based buffer overflow.
Products: strongswan
Distro releases
| Release | Package | Fixed in |
|---|---|---|
| Alpine 3.20 | strongswan | 5.9.13-r2 |
| Alpine 3.21 | strongswan | 5.9.14-r1 |
| Alpine 3.22 | strongswan | 5.9.14-r1 |
| Alpine 3.23 | strongswan | 5.9.14-r3 |
| Alpine 3.24 | strongswan | 5.9.14-r3 |
| Debian 11 | strongswan | 5.9.1-1+deb11u5 |
| Debian 12 | strongswan | 5.9.8-5+deb12u2 |
| Debian 13 | strongswan | 6.0.1-6+deb13u2 |
| Debian 14 | strongswan | 6.0.3-1 |
| SUSE Enterprise Storage 7.1 | strongswan | 5.8.2-150200.11.45.1 |
| SUSE Linux Enterprise High Performance Computing 15 SP3-LTSS | strongswan | 5.8.2-150200.11.45.1 |
| SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS | strongswan | 5.9.11-150400.19.20.1 |
| SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS | strongswan | 5.9.11-150400.19.20.1 |
| SUSE Linux Enterprise High Performance Computing 15 SP5-ESPOS | strongswan | 5.9.11-150500.5.9.1 |
| SUSE Linux Enterprise High Performance Computing 15 SP5-LTSS | strongswan | 5.9.11-150500.5.9.1 |
| SUSE Linux Enterprise Module for Basesystem 15 SP6 | strongswan | 5.9.12-150600.3.5.2 |
| SUSE Linux Enterprise Module for Basesystem 15 SP7 | strongswan | 5.9.14-150700.3.3.1 |
| SUSE Linux Enterprise Module for Package Hub 15 SP6 | strongswan | 5.9.12-150600.3.5.2 |
| SUSE Linux Enterprise Module for Package Hub 15 SP7 | strongswan | 5.9.14-150700.3.3.1 |
| SUSE Linux Enterprise Server 12 SP5-LTSS | strongswan | 5.1.3-26.29.1 |
| SUSE Linux Enterprise Server 15 SP3-LTSS | strongswan | 5.8.2-150200.11.45.1 |
| SUSE Linux Enterprise Server 15 SP4-LTSS | strongswan | 5.9.11-150400.19.20.1 |
| SUSE Linux Enterprise Server 15 SP5-LTSS | strongswan | 5.9.11-150500.5.9.1 |
| SUSE Linux Enterprise Server 16.0 | strongswan | 6.0.1-160000.3.1 |
| SUSE Linux Enterprise Server LTSS Extended Security 12 SP5 | strongswan | 5.1.3-26.29.1 |
| SUSE Linux Enterprise Server for SAP Applications 15 SP3 | strongswan | 5.8.2-150200.11.45.1 |
| SUSE Linux Enterprise Server for SAP Applications 15 SP4 | strongswan | 5.9.11-150400.19.20.1 |
| SUSE Linux Enterprise Server for SAP Applications 15 SP5 | strongswan | 5.9.11-150500.5.9.1 |
| SUSE Linux Enterprise Server for SAP applications 16.0 | strongswan | 6.0.1-160000.3.1 |
| SUSE Linux Enterprise Workstation Extension 15 SP6 | strongswan | 5.9.12-150600.3.5.2 |
| SUSE Linux Enterprise Workstation Extension 15 SP7 | strongswan | 5.9.14-150700.3.3.1 |
| SUSE Manager Proxy LTS 4.3 | strongswan | 5.9.11-150400.19.20.1 |
| SUSE Manager Server LTS 4.3 | strongswan | 5.9.11-150400.19.20.1 |
| Ubuntu 20.04 LTS | strongswan | no fix |
| Ubuntu 22.04 LTS | strongswan | 5.9.5-2ubuntu2.4 |
| Ubuntu 24.04 LTS | strongswan | 5.9.13-2ubuntu4.24.04.1 |
| Ubuntu 25.10 | strongswan | 6.0.1-6ubuntu4.1 |
| Ubuntu 26.04 LTS | strongswan | 6.0.1-6ubuntu5 |
| Ubuntu Pro 14.04 LTS | strongswan | no fix |
| Ubuntu Pro 16.04 LTS | strongswan | no fix |
| Ubuntu Pro 18.04 LTS | strongswan | no fix |
| Ubuntu Pro FIPS-preview 22.04 LTS | strongswan | no fix |
| Ubuntu Pro FIPS-updates 16.04 LTS | strongswan | no fix |
| Ubuntu Pro FIPS-updates 18.04 LTS | strongswan | no fix |
| Ubuntu Pro FIPS-updates 20.04 LTS | strongswan | no fix |
| Ubuntu Pro FIPS-updates 22.04 LTS | strongswan | 5.9.5-2ubuntu2.4+Fips1 |
| Ubuntu Pro FIPS 16.04 LTS | strongswan | no fix |
| Ubuntu Pro FIPS 18.04 LTS | strongswan | no fix |
| Ubuntu Pro FIPS 20.04 LTS | strongswan | no fix |
| openSUSE Leap 15.6 | strongswan | 5.9.12-150600.3.5.2 |
| openSUSE Leap 16.0 | strongswan | 6.0.1-160000.3.1 |
| openSUSE Tumbleweed | strongswan | 6.0.3-1.1 |