Description
Squid is a caching proxy for the Web supporting HTTP, HTTPS, FTP, and more. Due to an Incorrect Check of Function Return Value bug Squid is vulnerable to a Denial of Service attack against its Helper process management. This bug is fixed by Squid version 6.5. Users are advised to upgrade. There are no known workarounds for this vulnerability.
Scores
CVSS v3
8.6
EPSS
0.0173
EPSS Percentile
82.5%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
Details
CWE
CWE-754
CWE-253
CWE-617
Status
published
Products (1)
squid-cache/squid
< 6.4
Published
Dec 04, 2023
Tracked Since
Feb 18, 2026