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Updated mod_nss packages that fix several bugs are now available for Red Hat Enterprise Linux 6.
The mod_nss module provides strong cryptography for the Apache HTTP Server via the Secure Sockets Layer (SSL) and Transport Layer Security (TLS) protocols, using the Network Security Services (NSS) security library.
- Previously, the nss_var_lookup_nss_cert_PEM() function from the nss_engine_vars.c file occasionally caused a memory error. This bug has been fixed and the memory error no longer occurs.
- Due to a bug in the nss-softokn package that is a dependency of the mod_nss package, the root process of the httpd daemon was occasionally terminated by a SIGTRAP signal. With this update, mod_nss has been updated to depend on a corrected version of nss-softokn and the root httpd process is no longer terminated by SIGTRAP.
- Due to a bug in the nss-softokn package that is a dependency of the mod_nss package, the httpd daemon sometimes terminated unexpectedly with a segmentation fault and the following message was returned:NSS_Initialize failed. Certificate database: /etc/httpd/aliasWith this update, mod_nss has been updated to depend on a corrected version of nss-softokn and httpd no longer crashes in the described case.
Users of mod_nss are advised to upgrade to these updated packages, which fix these bugs. The httpd service must be restarted for this update to take effect.