Perl 5.10.1 allows context-dependent attackers to cause a denial of service (application crash) via a UTF-8 character with a large, invalid codepoint, which is not properly handled during a regular-expression match.

References

• https://nvd.nist.gov/vuln/detail/CVE-2009-3626
• https://exchange.xforce.ibmcloud.com/vulnerabilities/53939
• https://issues.apache.org/SpamAssassin/show_bug.cgi?id=6225
• http://perl5.git.perl.org/perl.git/commit/0abd0d78a73da1c4d13b1c700526b7e5d03b32d4
• http://rt.perl.org/rt3/Public/Bug/Display.html?id=69973
• http://secunia.com/advisories/37144
• http://securitytracker.com/id?1023077
• http://www.openwall.com/lists/oss-security/2009/10/23/8
• http://www.osvdb.org/59283
• http://www.securityfocus.com/bid/36812
• http://www.vupen.com/english/advisories/2009/3023
• http://rt.perl.org/rt3/Ticket/Attachment/617489/295383