Rapid7

vulnerability

Arch Linux: Denial of service (CVE-2019-16201)

Severity
8
CVSS
(AV:N/AC:L/Au:N/C:N/I:N/A:C)
Published
Nov 26, 2019
Added
Jul 11, 2025
Modified
Mar 25, 2026

Description

It has been discovered that Ruby before 2.4.8, 2.5.7 and 2.6.5 is vulnerable to denial of service via regular expressions in WEBrick's Digest access authentication module. An attacker can exploit this vulnerability to cause an effective denial of service against a WEBrick service.

Solution

arch-linux-upgrade-latest

References

    Title
    Rapid7 Labs

    2026 Global Threat Landscape Report

    The predictive window has collapsed. Exploitation follows disclosure in days. See how attackers are accelerating and how to stay ahead.