+++ This bug was initially created as a clone of Bug #1119272 +++
There is a bug in pattern compiler than can lead to crash:
$ printf '%s\n%s\n' '/(((a\2)|(a*)\g<-1>))*a?/B' '' | pcretest
PCRE version 8.33 2013-05-28
re> Neoprávněný přístup do paměti (SIGSEGV)
It has been fixed by upstream with:
Author: ph10 <ph10@2f5784b3-3f2a-0410-8824-cb99058d5e15>
Date: Sat Jul 12 18:22:54 2014 +0000
Fix compiler crash/misbehaviour for zero-repeated groups that include a
recursive back reference.
git-svn-id: svn://vcs.exim.org/pcre/code/trunk@1495 2f5784b3-3f2a-0410-8824-cb99058d5e15
--- Additional comment from Petr Pisar on 2014-07-14 13:44:50 GMT ---
All Fedoras are affected.
RHEL-7 is affected (pcre-8.32-12.el7.x86_64).
Created attachment 917899 [details]
Upstream patch ported to 8.32
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
files, follow the link below.
If the solution does not work for you, open a new bug report.