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CVE-2023-22795

Status Candidate

Overview

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.

Related Files

Debian Security Advisory 5372-1
Posted Mar 13, 2023
Authored by Debian | Site debian.org

Debian Linux Security Advisory 5372-1 - Multiple vulnerabilities were discovered in rails, the Ruby based server-side MVC web application framework, which could result in XSS, data disclosure and open redirect.

tags | advisory, web, ruby
systems | linux, debian
advisories | CVE-2021-22942, CVE-2021-44528, CVE-2022-21831, CVE-2022-22577, CVE-2022-23633, CVE-2022-27777, CVE-2023-22792, CVE-2023-22794, CVE-2023-22795, CVE-2023-22796
SHA-256 | 44ed6f4160efe547c9a47f4f62db177c265c289c98a029bb8114b3fa4bca4f1f
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