Technical note added. If any revisions are required, please edit the "Technical Notes" field
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    New Contents:
Previously, the generic implementation of the strstr() and memmem() functions did not handle certain periodic patterns correctly and failed to find a match. This error has been fixed, and both functions now work as expected.

The bug was false positive matches, not false negatives.  I updated the
technical note accordingly.

    Technical note updated. If any revisions are required, please edit the "Technical Notes" field
    accordingly. All revisions will be proofread by the Engineering Content Services team.
    
    Diffed Contents:
@@ -1 +1 @@
-Previously, the generic implementation of the strstr() and memmem() functions did not handle certain periodic patterns correctly and failed to find a match. This error has been fixed, and both functions now work as expected.+Previously, the generic implementation of the strstr() and memmem() functions did not handle certain periodic patterns correctly and could find a false positive match. This error has been fixed, and both functions now work as expected.

An advisory has been issued which should help the problem
described in this bug report. This report is therefore being
closed with a resolution of ERRATA. For more information
on therefore solution and/or where to find the updated files,
please follow the link below. You may reopen this bug report
if the solution does not work for you.

http://rhn.redhat.com/errata/RHSA-2010-0872.html