CVE-2024-37894: squid Memory Corruption — Fix

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.

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CVSS v3.1 Score

6.3

MEDIUM

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

Weakness Type (CWE)

CWE-787 Out-of-bounds Write

Affected Products

Vendor	Product	Versions
squid-cache	squid	3.0 — 6.10

References

Advisories & Patches

https://github.com/squid-cache/squid/commit/f411fe7d75197852f0e5ee85027a06d58dd8df4c.patch https://github.com/squid-cache/squid/security/advisories/GHSA-wgvf-q977-9xjg https://github.com/squid-cache/squid/commit/f411fe7d75197852f0e5ee85027a06d58dd8df4c.patch https://github.com/squid-cache/squid/security/advisories/GHSA-wgvf-q977-9xjg

Other References

https://security.netapp.com/advisory/ntap-20240719-0001/ https://lists.debian.org/debian-lts-announce/2025/03/msg00009.html https://security.netapp.com/advisory/ntap-20240719-0001/

Frequently Asked Questions

What is CVE-2024-37894? +

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. It has a CVSS v3.1 base score of 6.3 (MEDIUM).

How severe is CVE-2024-37894? +

CVE-2024-37894 has a CVSS v3.1 score of 6.3 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2024-37894? +

CVE-2024-37894 affects products from squid-cache, specifically: squid. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-37894? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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