CVE-2023-49286

2023-12-0400:00:00

ubuntu.com

squid

caching proxy

vulnerability

version 6.5

dos attack

helper process

upgrade

unix

8.6 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H

6.9 Medium

AI Score

Confidence

High

0.019 Low

EPSS

Percentile

88.8%

JSON

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.

OSVersionArchitecturePackageVersionFilename
ubuntu20.04noarchsquid< 4.10-1ubuntu1.9UNKNOWN
ubuntu22.04noarchsquid< 5.7-0ubuntu0.22.04.3UNKNOWN
ubuntu23.04noarchsquid< 5.7-1ubuntu3.2UNKNOWN
ubuntu23.10noarchsquid< 6.1-2ubuntu1.2UNKNOWN
ubuntu24.04noarchsquid< 6.5-1ubuntu1UNKNOWN
ubuntu18.04noarchsquid3< 3.5.27-1ubuntu1.14+esm2UNKNOWN
ubuntu16.04noarchsquid3< 3.5.12-1ubuntu7.16+esm3UNKNOWN

OS	Version	Architecture	Package	Version	Filename
ubuntu	20.04	noarch	squid	< 4.10-1ubuntu1.9	UNKNOWN
ubuntu	22.04	noarch	squid	< 5.7-0ubuntu0.22.04.3	UNKNOWN
ubuntu	23.04	noarch	squid	< 5.7-1ubuntu3.2	UNKNOWN
ubuntu	23.10	noarch	squid	< 6.1-2ubuntu1.2	UNKNOWN
ubuntu	24.04	noarch	squid	< 6.5-1ubuntu1	UNKNOWN
ubuntu	18.04	noarch	squid3	< 3.5.27-1ubuntu1.14+esm2	UNKNOWN
ubuntu	16.04	noarch	squid3	< 3.5.12-1ubuntu7.16+esm3	UNKNOWN