Follow @Openwall on Twitter for new release announcements and other news
[<prev] [next>] [<thread-prev] [day] [month] [year] [list]
Message-ID: <20151203121922.GB4471@jwilk.net>
Date: Thu, 3 Dec 2015 13:19:22 +0100
From: Jakub Wilk <jwilk@...lk.net>
To: oss-security@...ts.openwall.com
Cc: carnil@...ian.org, cve-assign@...re.org
Subject: Re: Re: Heap Overflow in PCRE

>3. The pattern in question for CVE-2015-3210, i.e., the 
>/^(?P=B)((?P=B)(?J:(?P<B>c)(?P<B>a(?P=B)))>WGXCREDITS)/ pattern, 
>doesn't have any instances of something like \1 or \g that are commonly 
>used for a back reference.

(?P=foo) is the Python syntax for backreference, which is supported by 
PCRE: http://pcre.org/current/doc/html/pcre2syntax.html#SEC20

-- 
Jakub Wilk

Powered by blists - more mailing lists

Please check out the Open Source Software Security Wiki, which is counterpart to this mailing list.

Confused about mailing lists and their use? Read about mailing lists on Wikipedia and check out these guidelines on proper formatting of your messages.