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Alpine Linux: CVE-2023-49288: Use After Free

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Alpine Linux: CVE-2023-49288: Use After Free

Severity
8
CVSS
(AV:N/AC:L/Au:N/C:N/I:N/A:C)
Published
12/04/2023
Created
03/22/2024
Added
03/26/2024
Modified
10/14/2024

Description

Squid is a caching proxy for the Web supporting HTTP, HTTPS, FTP, and more. Affected versions of squid are subject to a a Use-After-Free bug which can lead to a Denial of Service attack via collapsed forwarding. All versions of Squid from 3.5 up to and including 5.9 configured with "collapsed_forwarding on" are vulnerable. Configurations with "collapsed_forwarding off" or without a "collapsed_forwarding" directive are not vulnerable. This bug is fixed by Squid version 6.0.1. Users are advised to upgrade. Users unable to upgrade should remove all collapsed_forwarding lines from their squid.conf.

Solution(s)

  • alpine-linux-upgrade-squid

References

  • https://attackerkb.com/topics/cve-2023-49288
  • CVE - 2023-49288
  • https://security.alpinelinux.org/vuln/CVE-2023-49288
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