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CVE-2019-16201

CVE-2019-16201

EPSS 5.1%
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.
Affected products
n/a · n/a

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References
http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00041.htmlhttps://hackerone.com/reports/661722https://lists.debian.org/debian-lts-announce/2019/11/msg00025.htmlhttps://lists.debian.org/debian-lts-announce/2019/12/msg00009.htmlhttps://lists.debian.org/debian-lts-announce/2020/08/msg00027.htmlhttps://lists.debian.org/debian-lts-announce/2023/04/msg00033.htmlhttps://seclists.org/bugtraq/2019/Dec/31https://seclists.org/bugtraq/2019/Dec/32https://security.gentoo.org/glsa/202003-06https://www.debian.org/security/2019/dsa-4587https://www.oracle.com/security-alerts/cpujan2020.html