DEBIAN-CVE-2025-62291

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Source
https://security-tracker.debian.org/tracker/CVE-2025-62291
Import Source
https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2025-62291.json
JSON Data
https://api.osv.dev/v1/vulns/DEBIAN-CVE-2025-62291
Upstream
Downstream
Published
2026-01-16T19:16:18.163Z
Modified
2026-01-17T11:09:20.959052Z
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

Debian:11 / strongswan

Package

Name
strongswan
Purl
pkg:deb/debian/strongswan?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
5.9.1-1+deb11u5

Affected versions

5.*
5.9.1-1
5.9.1-1+deb11u1
5.9.1-1+deb11u2
5.9.1-1+deb11u3
5.9.1-1+deb11u4

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2025-62291.json"

Debian:12 / strongswan

Package

Name
strongswan
Purl
pkg:deb/debian/strongswan?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
5.9.8-5+deb12u2

Affected versions

5.*
5.9.8-5
5.9.8-5+deb12u1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2025-62291.json"

Debian:13 / strongswan

Package

Name
strongswan
Purl
pkg:deb/debian/strongswan?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
6.0.1-6+deb13u2

Affected versions

6.*
6.0.1-6
6.0.1-6+deb13u1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2025-62291.json"

Debian:14 / strongswan

Package

Name
strongswan
Purl
pkg:deb/debian/strongswan?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
6.0.3-1

Affected versions

6.*
6.0.1-6
6.0.2-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2025-62291.json"