CVE-2024-37894 | BDVDB-2026-240821 Detail

squid-cachesquid

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.

Impact#

Per CVSS v3.1: confidentiality impact none, integrity impact none, availability impact high. Attack vector: network.

Weaknesses#

CWE-787 Out-of-bounds Write

References#

Exploit#

No public exploit known

History#

Version 12024-06-25Record published in the CVE List.
Version 22025-11-03Most recent update recorded in the CVE List.

Published

Published: 2024-06-25
Last modified: 2025-11-03

Vendor information

Vendor: squid-cache
Product: squid

All squid-cache vulnerabilities

Score

6.3 Medium

EPSS

6.2%, Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 93.6.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Memory Corruption

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
>= 3.0, <= 3.5.28
Fixed
Not stated
Vulnerable
>= 4.0, <= 4.16
Fixed
Not stated
Vulnerable
>= 5.0, <= 5.9
Fixed
Not stated
Vulnerable
>= 6.0, <= 6.9
Fixed
Not stated

Scoring System

CVSS v4.0

Not available

CVSS v3.1

6.3 Medium

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

Metric breakdown
Attack Vector	Network
Attack Complexity	High
Privileges Required	Low
User Interaction	None
Scope	Changed
Confidentiality	None
Integrity	None
Availability	High

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).