Description

The regular expression engine in JRuby before 1.4.1, when $KCODE is set to 'u', does not properly handle characters immediately after a UTF-8 character, which allows remote attackers to conduct cross-site scripting (XSS) attacks via a crafted string.

Remediation

References

Related Vulnerabilities

Severity

Critical

Classification

CWE-79

Tags

Exploit Patch Vendor Advisory