CVE-2025-62291

See a problem?
Please try reporting it to the source first.
Source
https://cve.org/CVERecord?id=CVE-2025-62291
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-62291.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2025-62291
Downstream
Related
Published
2026-01-16T19:16:18.163Z
Modified
2026-03-15T22:51:26.005319Z
Severity
  • 8.1 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
Summary
[none]
Details

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.

References

Affected packages

Git / github.com/strongswan/strongswan

Affected ranges

Type
GIT
Repo
https://github.com/strongswan/strongswan
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
c1605845b4fbc5e2b53aeb0a956578fa10ee5fba
Database specific 
{
    "versions": [
        {
            "introduced": "0"
        },
        {
            "fixed": "6.0.3"
        }
    ]
}

Database specific

unresolved_ranges 
[
    {
        "events": [
            {
                "introduced": "6"
            },
            {
                "last_affected": "8"
            }
        ]
    }
]
source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-62291.json"