[Bug 1549609] [NEW] Stack Corruption in PCRE 8.35

[Launchpad Bug Tracker]

*** This bug is a security vulnerability ***

You have been subscribed to a public security bug:

Various security issues have been fixed in PCRE since 8.35.  Here is an
example of using a malicious pattern within the Ubuntu PHP5 package that
leads to stack corruption:

php5 -r 'preg_match("/(?(1)(()(?1)1)+)/","abcdef", $matches,
PREG_OFFSET_CAPTURE);'

Loading
ftp://ftp.csx.cam.ac.uk/pub/software/programming/pcre/pcre-8.38.tar.gz
with the upgrade-pcre.php script resolves this issue.

** Affects: pcre3 (Ubuntu)
     Importance: Undecided
         Status: New

-- 
Stack Corruption in PCRE 8.35
https://bugs.launchpad.net/bugs/1549609
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