CVE-2024-37894— Squid vulnerable to heap corruption in ESI assign
Quick assessment
Affected
squid-cache squid
Exploitation
High exploitation probability; assess promptly
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Squid是一套代理服务器和Web缓存服务器软件。该软件提供缓存万维网、过滤流量、代理上网等功能。 Squid存在安全漏洞，该漏洞源于在分配 ESI 变量时发生越界写入错误，从而导致内存损坏。
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I. Basic Information for CVE-2024-37894
Vulnerability Information
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Vulnerability Title
Squid vulnerable to heap corruption in ESI assign
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
跨界内存写
Source: CVE Program / CVE List V5
Vulnerability Title
Squid 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Squid是一套代理服务器和Web缓存服务器软件。该软件提供缓存万维网、过滤流量、代理上网等功能。 Squid存在安全漏洞，该漏洞源于在分配 ESI 变量时发生越界写入错误，从而导致内存损坏。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| squid-cache | squid | >= 3.0, <= 3.5.28 | - |
|
II. Public POCs for CVE-2024-37894
| # | POC Description | Source Link | Shenlong Link |
|---|
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Patches & Fixes for CVE-2024-37894 (1)
Vendor Advisories for CVE-2024-37894 (2)
-
https://github.com/squid-cache/squid/security/advisories/GHSA-wgvf-q977-9xjg x_refsource_CONFIRM
IV. Related Vulnerabilities
Same product: squid
-
CVE-2026-47729
Squid: Memory disclosure in FTP gateway -
CVE-2026-50012
Squid: Memory corruption in cache_digest reply handling -
CVE-2026-33526
Squid vulnerable to Denial of Service in ICP Request handlin -
CVE-2026-33515
Squid has issues in ICP message handling -
CVE-2026-32748
Squid has Denial of Service in ICP Response handling
Same vendor: squid-cache
-
CVE-2026-47729
Squid: Memory disclosure in FTP gateway -
CVE-2026-50012
Squid: Memory corruption in cache_digest reply handling -
CVE-2026-33526
Squid vulnerable to Denial of Service in ICP Request handlin -
CVE-2026-33515
Squid has issues in ICP message handling -
CVE-2026-32748
Squid has Denial of Service in ICP Response handling
Same weakness: CWE-787
-
CVE-2026-103628
Chrome<154.0.8037.97 WebGL越界写入漏洞 -
CVE-2026-102514
Out-of-bounds write in PeaZip PEA extractor allows code exec -
CVE-2026-103484
pgvector buffer overflow in IVFFlat index build -
CVE-2026-59685
Apache HTTP Server: Out-of-Bounds Write in ap_directory_walk -
CVE-2026-56449
Apache HTTP Server: mod_proxy_html: crash in dump_content
V. Comments for CVE-2024-37894
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