high8.1
CVE-2025-62291
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 …
Impact
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.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| StrongSwan | StrongSwan | before 6.0.3 |
Versions were read from the advisory text. No structured product data has been published for this record yet.
Weakness classification
References
- NVD record
- CVE.org record
- 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