CVE-2012-4445: Heap-based buffer overflow in the eap_server_tls_process_fragment function in eap_server_tls_common.c in th...

Security readout for executives and security teams

CVE-2012-4445 is a remote denial-of-service issue in hostapd’s EAP-TLS authentication handling. A malformed fragmented EAP-TLS message can crash or abort the authentication server. The supplied sources describe service disruption, not data theft or code execution. Exposure is likely limited to systems running affected hostapd versions as an EAP authentication server, especially where EAP-TLS is enabled. The bundle does not identify other products beyond hostapd and downstream distribution packages. Prioritize remediation where hostapd supports business-critical network access. The main business risk is authentication outage, not confirmed compromise. Legacy systems should be upgraded or isolated promptly. Mitigation focus: Identify hostapd deployments and versions in authentication infrastructure.; Upgrade hostapd using vendor packages or upstream fixed releases.; Review Debian, FreeBSD, Mandriva, or platform-specific advisories where applicable..

Prepared

Jun 27, 2026, 16:25 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.