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Affected Component
Analysis
ruby
Patched
Name
CVE-2025-27220
Description
In the CGI gem before 0.4.2 for Ruby, a Regular Expression Denial of Service (ReDoS) vulnerability exists in the Util#escapeElement method.
Published Date
Updated Date
Workaround
-
Advisories
https://github.com/rubysec/ruby-advisory-db/blob/master/gems/cgi/CVE-2025-27220.ymlThird Party Advisory
https://hackerone.com/reports/2890322Permissions Required
Analysis#
Vulnerability Ratings#
4
CVSSv31
7.5
CVSSv31
NaN
other
Others affected components#
Resolved with patches#
ruby (yocto:kirkstone)
#
Title
Author
Resolve
1
Escape/unescape unclosed tags as well
Hiroshi SHIBATA <hsbt@ruby-lang.org>
CVE-2025-27220