vulnerability
Red Hat: CVE-2019-16201: CVE-2019-16201 ruby: Regular expression denial of service vulnerability of WEBrick's Digest authentication (Multiple Advisories)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 8 | (AV:N/AC:L/Au:N/C:N/I:N/A:C) | Nov 26, 2019 | Jun 30, 2021 | Aug 11, 2025 |
Severity
8
CVSS
(AV:N/AC:L/Au:N/C:N/I:N/A:C)
Published
Nov 26, 2019
Added
Jun 30, 2021
Modified
Aug 11, 2025
Description
WEBrick::HTTPAuth::DigestAuth in Ruby through 2.4.7, 2.5.x through 2.5.6, and 2.6.x through 2.6.4 has a regular expression Denial of Service cause by looping/backtracking. A victim must expose a WEBrick server that uses DigestAuth to the Internet or a untrusted network.
Solutions
no-fix-redhat-rpm-packageredhat-upgrade-rubyredhat-upgrade-ruby-debuginforedhat-upgrade-ruby-debugsourceredhat-upgrade-ruby-develredhat-upgrade-ruby-docredhat-upgrade-ruby-irbredhat-upgrade-ruby-libsredhat-upgrade-ruby-libs-debuginforedhat-upgrade-rubygem-abrtredhat-upgrade-rubygem-abrt-docredhat-upgrade-rubygem-bigdecimalredhat-upgrade-rubygem-bigdecimal-debuginforedhat-upgrade-rubygem-bsonredhat-upgrade-rubygem-bson-debuginforedhat-upgrade-rubygem-bson-debugsourceredhat-upgrade-rubygem-bson-docredhat-upgrade-rubygem-bundlerredhat-upgrade-rubygem-bundler-docredhat-upgrade-rubygem-did_you_meanredhat-upgrade-rubygem-io-consoleredhat-upgrade-rubygem-io-console-debuginforedhat-upgrade-rubygem-irbredhat-upgrade-rubygem-jsonredhat-upgrade-rubygem-json-debuginforedhat-upgrade-rubygem-minitestredhat-upgrade-rubygem-mongoredhat-upgrade-rubygem-mongo-docredhat-upgrade-rubygem-mysql2redhat-upgrade-rubygem-mysql2-debuginforedhat-upgrade-rubygem-mysql2-debugsourceredhat-upgrade-rubygem-mysql2-docredhat-upgrade-rubygem-net-telnetredhat-upgrade-rubygem-opensslredhat-upgrade-rubygem-openssl-debuginforedhat-upgrade-rubygem-pgredhat-upgrade-rubygem-pg-debuginforedhat-upgrade-rubygem-pg-debugsourceredhat-upgrade-rubygem-pg-docredhat-upgrade-rubygem-power_assertredhat-upgrade-rubygem-psychredhat-upgrade-rubygem-psych-debuginforedhat-upgrade-rubygem-rakeredhat-upgrade-rubygem-rdocredhat-upgrade-rubygem-test-unitredhat-upgrade-rubygem-xmlrpcredhat-upgrade-rubygemsredhat-upgrade-rubygems-devel
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