Buffer overflow in the fribidi_utf8_to_unicode function in PyFriBidi before 0.11.0 allows remote attackers to cause a denial of service (application crash) via a 4-byte utf-8 sequence.

References

• https://nvd.nist.gov/vuln/detail/CVE-2012-1176
• pediapress/pyfribidi@d2860c6
• https://bugzilla.redhat.com/show_bug.cgi?id=801896
• https://bugzilla.wikimedia.org/show_bug.cgi?id=35055
• https://exchange.xforce.ibmcloud.com/vulnerabilities/74001
• http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=663189
• http://groups.google.com/group/linux.debian.bugs.dist/browse_thread/thread/aacd036037217998/8d095f85f3665bff?lnk=raot
• http://lists.fedoraproject.org/pipermail/package-announce/2012-March/075293.html
• http://lists.fedoraproject.org/pipermail/package-announce/2012-March/076038.html
• http://lists.fedoraproject.org/pipermail/package-announce/2012-March/076053.html
• http://www.openwall.com/lists/oss-security/2012/03/14/4
• http://www.openwall.com/lists/oss-security/2012/03/14/9
• pediapress/pyfribidi#2
• https://web.archive.org/web/20200228170815/http://www.securityfocus.com/bid/52451