CVSS 3.1 Score 8.6 of 10 (high)


Published Dec 14, 2023
Updated: Jan 19, 2024
CWE ID 674


CVE-2023-50269 is a vulnerability in Squid, a caching proxy for the Web, with versions 2.6 through 2.7.STABLE9, versions 3.1 through 5.9, and versions 6.0.1 through 6.5 being affected. This vulnerability allows remote clients to perform a Denial of Service attack by sending a large X-Forwarded-For header when the follow_x_forwarded_for feature is configured. The bug is fixed in Squid version 6.6 and patches can be found in Squid's patch archives for the stable releases. The potential danger posed to an organization is the risk of a successful Denial of Service attack targeting the HTTP Request parsing functionality of Squid, leading to service disruption or unavailability.

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