Bug 2430429 (CVE-2025-62291) - CVE-2025-62291 strongswan: strongSwan: Arbitrary Code Execution and Denial of Service via crafted EAP-MSCHAPv2 message
Summary: CVE-2025-62291 strongswan: strongSwan: Arbitrary Code Execution and Denial of...
Keywords:
Status: NEW
Alias: CVE-2025-62291
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
high
high
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On: 2430433 2430434 2430435 2430437 2430432 2430436
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-01-16 19:01 UTC by OSIDB Bzimport
Modified: 2026-01-16 19:46 UTC (History)
0 users

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Description OSIDB Bzimport 2026-01-16 19:01:55 UTC 
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.
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