发布于3月6日3月6日 Members Alpine Linux: CVE-2023-22795: Inefficient Regular Expression Complexity Severity 8 CVSS (AV:N/AC:L/Au:N/C:N/I:N/A:C) Published 02/09/2023 Created 03/22/2024 Added 03/21/2024 Modified 01/28/2025 Description A regular expression based DoS vulnerability in Action Dispatch <6.1.7.1 and <7.0.4.1 related to the If-None-Match header. A specially crafted HTTP If-None-Match header can cause the regular expression engine to enter a state of catastrophic backtracking, when on a version of Ruby below 3.2.0. This can cause the process to use large amounts of CPU and memory, leading to a possible DoS vulnerability All users running an affected release should either upgrade or use one of the workarounds immediately. Solution(s) alpine-linux-upgrade-ruby References https://attackerkb.com/topics/cve-2023-22795 CVE - 2023-22795 DSA-5372 https://security.alpinelinux.org/vuln/CVE-2023-22795
