CVEvulnerability
CVE-2025-62291
8.1 HIGH
Official page ↗
- Status
- Deferred
- Published
- 2026-01-16
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 8.1 HIGH — CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
- Weaknesses
- CWE-191
Description
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.
Related
Weakness · CWE (1)
- CWE-191 Integer Underflow (Wrap or Wraparound) weakness
References
- https://github.com/strongswan/strongswan/commits/master/src/libcharon/plugins/eap_mschapv2 github.com
- https://github.com/strongswan/strongswan/releases github.com
- https://www.strongswan.org/blog/2025/10/27/strongswan-vulnerability-%28cve-2025-62291%29.html www.strongswan.org
- https://lists.debian.org/debian-lts-announce/2025/11/msg00002.html lists.debian.org