Heap-based buffer overflow in the find_fixedlength function in pcre_compile.c in...

Vulnerability Description

Heap-based buffer overflow in the find_fixedlength function in pcre_compile.c in PCRE before 8.38 allows remote attackers to cause a denial of service (crash) or obtain sensitive information from heap memory and possibly bypass the ASLR protection mechanism via a crafted regular expression with an excess closing parenthesis.

References

• http://www.securityfocus.com/bid/75430
• https://access.redhat.com/errata/RHSA-2016:1132
• http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html
• http://www-01.ibm.com/support/docview.wss?uid=isg3T1023886
• http://rhn.redhat.com/errata/RHSA-2016-1025.html
• http://rhn.redhat.com/errata/RHSA-2016-2750.html
• http://www.openwall.com/lists/oss-security/2015/06/26/1
• http://www.openwall.com/lists/oss-security/2015/06/26/3
• https://bugs.exim.org/show_bug.cgi?id=1651
• http://www.securitytracker.com/id/1033154
• http://vcs.pcre.org/pcre/code/trunk/ChangeLog?revision=1609&view=markup
• http://vcs.pcre.org/pcre?view=revision&revision=1571
• https://security.gentoo.org/glsa/201607-02