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CVE-2024-37894

Squid vulnerable to heap corruption in ESI assign

Published: Jun 25, 2024Updated: Nov 3, 2025 Sources: CVE List NVD BDUCWE-787
NVD MITRE
6.3CVSSMEDIUM
EPSS Score
6.3%
Top 7.3%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

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.

CVSS Vector Breakdown

AV:NAC:HPR:LUI:NS:CC:NI:NA:H
Exploitability
AV:NAttack Vector
Network
AC:HAttack Complexity
High
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:CScope
Changed
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-787

Affected Products

squidsquid-cache
On-premNetwork Device
Networking Infrastructure / load-balancer-proxy
Debian GNU/LinuxСообщество свободного программного обеспечения
On-premOS
Operating Systems / linux-distro
Astra Linux Special EditionООО «РусБИТех-Астра»
On-premOS
Operating Systems / linux-distro
SquidSquid Software Foundation
On-premNetwork Device
Networking Infrastructure / load-balancer-proxy
ОСОН ОСнова ОnyxАО «НППКТ»
On-premOS
Operating Systems / linux-distro
squid-cacheoss-projectNetworking Infrastructureaka squid, squid cache
сообщество свободного программного обеспеченияoss-projectOperating Systemsaka сообщество свободного программного обеспечения, fsf
ооо «русбитех-астра»commercialRUOperating Systemsaka rusbitech-astra
squid software foundationoss-projectNetworking Infrastructure
ао «нппкт»commercialRUOperating Systems

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

Official Patch Available

MITRE ATT&CK

2 techniques
Initial Access
Privilege Escalation
View detailed technique mapping

References

https://github.com/squid-cache/squid/security/advisories/GHSA-wgvf-q977-9xjg
github.com
https://github.com/squid-cache/squid/commit/f411fe7d75197852f0e5ee85027a06d58dd8df4c.patch
github.com
https://security.netapp.com/advisory/ntap-20240719-0001/
security.netapp.com
and 8 more references View all →

Timeline

Published
Jun 25, 2024
Last Updated
Nov 3, 2025

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