CVE-2025-62291
HIGH SEVERITYCVSS Score & Metrics
Base Score
8.1 / 10
Vector String
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Vulnerability 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.
Vulnerability Details
Published Date
Last Modified
CWE ID
CWE-191
Source
NVD
Vendor
strongSwan
Product
strongSwan
External References
- https://github.com/strongswan/strongswan/commits/master/src/libcharon/plugins/eap_mschapv2
- https://github.com/strongswan/strongswan/releases
- https://www.strongswan.org/blog/2025/10/27/strongswan-vulnerability-%28cve-2025-62291%29.html
- https://lists.debian.org/debian-lts-announce/2025/11/msg00002.html
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