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Squid Operation on a Resource after Expiration or Release Vulnerability - CVE-2024-23638 - Vulnerability Database
Squid

Squid Operation on a Resource after Expiration or Release Vulnerability - CVE-2024-23638

Medium
Reference: CVE-2024-23638
NVD Link: https://nvd.nist.gov/vuln/detail/CVE-2024-23638
Title: Squid Operation on a Resource after Expiration or Release Vulnerability
Overview:

Squid is a caching proxy for the Web. Due to an expired pointer reference bug Squid prior to version 6.6 is vulnerable to a Denial of Service attack against Cache Manager error responses. This problem allows a trusted client to perform Denial of Service when generating error pages for Client Manager reports. Squid older than 5.0.5 have not been tested and should be assumed to be vulnerable. All Squid-5.x up to and including 5.9 are vulnerable. All Squid-6.x up to and including 6.5 are vulnerable. This bug is fixed by Squid version 6.6. In addition patches addressing this problem for the stable releases can be found in Squid39s patch archives. As a workaround prevent access to Cache Manager using Squid39s main access control: http_access deny manager.