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Alpine Linux: CVE-2023-22796: Inefficient Regular Expression Complexity

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Alpine Linux: CVE-2023-22796: Inefficient Regular Expression Complexity

Severity
8
CVSS
(AV:N/AC:L/Au:N/C:N/I:N/A:C)
Published
02/09/2023
Created
08/23/2024
Added
08/22/2024
Modified
10/02/2024

Description

A regular expression based DoS vulnerability in Active Support <6.1.7.1 and <7.0.4.1. A specially crafted string passed to the underscore method can cause the regular expression engine to enter a state of catastrophic backtracking. This can cause the process to use large amounts of CPU and memory, leading to a possible DoS vulnerability.

Solution(s)

  • alpine-linux-upgrade-ruby-activesupport

References

  • https://attackerkb.com/topics/cve-2023-22796
  • CVE - 2023-22796
  • https://security.alpinelinux.org/vuln/CVE-2023-22796
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