[ CVE-2026-88830 · Published 23 Sep 2026 ]
Vulnerability in Red Hat Hardened Images
CVSS 7.5
EPSS <1%1 agency advisoryNo fix listed yet
[ Description ]Official description
A unit confusion in BusyBox TLS Montgomery reduction buffer allocation causes a pre-authentication heap buffer overflow when processing a crafted ClientKeyExchange message.
[ 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.
[ Advisories ]Government CERT advisories
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BSI CERT-BundWID-SEC-2026-3557
BusyBox: Multiple vulnerabilities Translated from German