+++ This bug was initially created as a clone of Bug #756675 +++
From upstream <http://bugs.exim.org/show_bug.cgi?id=1179>:
PCRE version 8.12 2011-01-15
The lower-cased variant occupies 3 bytes while the upper-cased variant 2 bytes only. If padding in input exists, the match occurs.
--- Additional comment from firstname.lastname@example.org on 2011-12-02 08:06:04 GMT ---
Upstream states this issue has been fixed by commit:
r778 | ph10 | 2011-12-01 18:38:47 +0100 (Thu, 01 Dec 2011) | 3 lines
Fix bug with caseless matching of characters of different lengths when the
shorter is right at the end of the subject.
RHEL-6 (pcre-7.8-3.1.el6) affected.
Created attachment 539635 [details]
Upstream fix ported to pcre-7.8
Tests on top of patch for bug #756105.
Created attachment 539636 [details]
This request was evaluated by Red Hat Product Management for
inclusion in the current release of Red Hat Enterprise Linux.
Because the affected component is not scheduled to be updated
in the current release, Red Hat is unfortunately unable to
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Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.
For information on the advisory, and where to find the updated
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If the solution does not work for you, open a new bug report.