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An updated mod_auth_kerb package that fixes one bug is now available for Red Hat Enterprise Linux 5.
The mod_auth_kerb package provides a module for the Apache HTTP Server designed to provide Kerberos authentication over HTTP. The module supports the Negotiate authentication method, which performs full Kerberos authentication based on ticket exchanges.
- The mod_auth_kerb module did not use the Kerberos libraries in a thread-safe way. Therefore, if mod_auth_kerb ran under a multi-threaded Apache HTTP Server, authentication requests could terminate unexpectedly with a segmentation fault. With this update, the thread-safety problem has been fixed, and thread crashes no longer occur under these circumstances.
All users of mod_auth_kerb are advised to upgrade to this updated package, which fixes this bug.