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CVE-2023-50269

nvd nist
Published: Dec 14, 2023Modified: Jun 17, 2026

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7.5
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Exploitability: 3.9 / Impact: 3.6
Source: NVD

Description

Squid is a caching proxy for the Web. Due to an Uncontrolled Recursion bug in versions 2.6 through 2.7.STABLE9, versions 3.1 through 5.9, and versions 6.0.1 through 6.5, Squid may be vulnerable to a Denial of Service attack against HTTP Request parsing. This problem allows a remote client to perform Denial of Service attack by sending a large X-Forwarded-For header when the follow_x_forwarded_for feature is configured. This bug is fixed by Squid version 6.6. In addition, patches addressing this problem for the stable releases can be found in Squid's patch archives.

Affected (13)

Products: Squid Cache: Squid
1 product
Squid
Configuration A
13 vulnerable
Vulnerable SoftwareAffected Versions
Squid Cache
From 3.1 to 5.9
From 6.0.1 to 6.5
Version 2.6
Version 2.7
Version 2.7 stable1
Version 2.7 stable2
Version 2.7 stable3
Version 2.7 stable4
Version 2.7 stable5
Version 2.7 stable6
Version 2.7 stable7
Version 2.7 stable8
Version 2.7 stable9

References (14)

Source: security-advisories@github.com
Broken Link
Source: security-advisories@github.com
Broken Link
Source: security-advisories@github.com
Third Party Advisory
Source: security-advisories@github.com
Source: af854a3a-2127-422b-91ae-364da2661108
Broken Link
Source: af854a3a-2127-422b-91ae-364da2661108
Broken Link
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Source: af854a3a-2127-422b-91ae-364da2661108

Timeline

No history available yet.