From upstream <http://bugs.exim.org/show_bug.cgi?id=1179>: $ pcretest PCRE version 8.12 2011-01-15 re> /ⱥ/8i data> ⱥ 0: \x{2c65} data> Ⱥ No match data> Ⱥ_ 0: \x{23a} The lower-cased variant occupies 3 bytes while the upper-cased variant 2 bytes only. If padding in input exists, the match occurs.
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.
Created attachment 539583 [details] Fix from upstream
F17--14 affected.
pcre-8.12-6.fc16 has been submitted as an update for Fedora 16. https://admin.fedoraproject.org/updates/FEDORA-2011-16271/pcre-8.12-6.fc16
pcre-8.12-5.fc15 has been submitted as an update for Fedora 15. https://admin.fedoraproject.org/updates/FEDORA-2011-16286/pcre-8.12-5.fc15
pcre-8.10-4.fc14 has been submitted as an update for Fedora 14. https://admin.fedoraproject.org/updates/FEDORA-2011-16245/pcre-8.10-4.fc14
Package pcre-8.12-5.fc15: * should fix your issue, * was pushed to the Fedora 15 testing repository, * should be available at your local mirror within two days. Update it with: # su -c 'yum update --enablerepo=updates-testing pcre-8.12-5.fc15' as soon as you are able to. Please go to the following url: https://admin.fedoraproject.org/updates/FEDORA-2011-16286/pcre-8.12-5.fc15 then log in and leave karma (feedback).
pcre-8.12-6.fc16 has been pushed to the Fedora 16 stable repository. If problems still persist, please make note of it in this bug report.
pcre-8.12-5.fc15 has been pushed to the Fedora 15 stable repository. If problems still persist, please make note of it in this bug report.