CVE-2023-49286: Denial of Service in Helper Process management

Published Dec 4, 2023
·
Updated

Last updated 24 July 2024

Other sources

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.

Launchpad

Affected Software

3 affected componentsFixes available
redhat/squid<6.5
6.5
Squid-Cache Squid<=6.4
debian/squid
4.13-10+deb11u35.7-2+deb12u26.13-1

Event History

Dec 4, 2023
CVE Published
via MITRE·10:53 PM
Data Sourced
via MITRE·10:53 PM
DescriptionSeverityWeakness
Jan 27, 2024
Data Sourced
via Launchpad·04:32 AM
Description
Sep 15, 2024
Data Sourced
via Ubuntu·05:07 AM
RemedyDescriptionSeverityAffected Software

Frequently Asked Questions

1

What is CVE-2023-49286?

CVE-2023-49286 is a vulnerability in Squid, a caching proxy for the Web, that allows for a Denial of Service attack against its Helper process management.

2

What is the severity of CVE-2023-49286?

The severity of CVE-2023-49286 is high, with a severity value of 8.6.

3

How does CVE-2023-49286 affect Squid?

CVE-2023-49286 affects Squid versions up to and including 6.4.

4

How can I fix CVE-2023-49286?

CVE-2023-49286 can be fixed by upgrading to Squid version 6.5 or later.

5

Where can I find more information about CVE-2023-49286?

More information about CVE-2023-49286 can be found in the following references: [GitHub Advisory](https://github.com/squid-cache/squid/security/advisories/GHSA-xggx-9329-3c27), [GitHub Commit](https://github.com/squid-cache/squid/commit/6014c6648a2a54a4ecb7f952ea1163e0798f9264), [Squid Patch](http://www.squid-cache.org/Versions/v6/SQUID-2023_8.patch).

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