[ CVE-2026-15340 · Published 9 Oct 2026 ]
Vulnerability in Savannah lwIP SMTP client
CVSS 9.8
EPSS <1%No fix listed yet
[ Why it matters ]Priority signals
- Critical severity: CVSS 9.8
[ Description ]Official description
lwIP SMTP client does not check the size of inputs, potentially allowing a buffer overflow.
[ Fixes ]Fixes and patches
No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.