CVE-2024-37894

Publication date 25 June 2024

Last updated 26 August 2025

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

6.3 · Medium

Score breakdown

Description

Squid is a caching proxy for the Web supporting HTTP, HTTPS, FTP, and more. Due to an Out-of-bounds Write error when assigning ESI variables, Squid is susceptible to a Memory Corruption error. This error can lead to a Denial of Service attack.

Status

Package Ubuntu Release Status
squid3 24.04 LTS noble Not in release
23.10 mantic Not in release
22.04 LTS jammy Not in release
20.04 LTS focal Not in release
18.04 LTS bionic
Fixed 3.5.27-1ubuntu1.14+esm3
16.04 LTS xenial
Fixed 3.5.12-1ubuntu7.16+esm4
squid 24.04 LTS noble
Fixed 6.6-1ubuntu5.1
23.10 mantic Ignored end of life, was needed
22.04 LTS jammy
Fixed 5.9-0ubuntu0.22.04.2
20.04 LTS focal
Fixed 4.10-1ubuntu1.13

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Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package Patch details
squid

Severity score breakdown

Parameter Value
Base score 6.3 · Medium
Attack vector Network
Attack complexity High
Privileges required Low
User interaction None
Scope Changed
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:H

References

Related Ubuntu Security Notices (USN)

Other references