CVE-2026-47729— Squid: Memory disclosure in FTP gateway
In-the-Wild Activity Observed github_trending · medium
Possible ATT&CK Techniques 1AI
T1014 · RootkitAffected Version Matrix 1
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| squid-cache | squid | < 7.6 | affected |
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I. Basic Information for CVE-2026-47729
Vulnerability Information
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Vulnerability Title
Squid: Memory disclosure in FTP gateway
Source: CVE Program / CVE List V5
Vulnerability Description
Squid is a caching proxy for the Web. Prior to 7.6, due to an improper validation of syntactic correctness of input in the FTP gateway (src/clients/FtpGateway.cc), Squid is vulnerable to an out-of-bounds read: when a listing entry date in the TypeA or TypeB directory-listing formats is not followed by a filename, parsing was not restricted to the input buffer, so a trusted client accessing a misbehaving FTP server through Squid's gateway feature could read memory from random unrelated transactions. This issue is fixed in version 7.6.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
跨界内存读
Source: CVE Program / CVE List V5
Vulnerability Title
squid-cache Squid 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
squid-cache Squid是squid-cache团队开源的一套代理及Web缓存服务器软件。 squid-cache Squid 7.6之前版本存在安全漏洞，该漏洞源于FTP网关中对输入语法正确性验证不当，容易受到越界读取攻击，导致信任的客户端通过Squid的网关功能访问不当FTP服务器时，能够从随机无关事务中读取内存。
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 | < 7.6 | - |
II. Public POCs for CVE-2026-47729
| # | POC Description | Source Link | Shenlong Link |
|---|
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Patches & Fixes for CVE-2026-47729 (3)
Vendor Advisories for CVE-2026-47729 (1)
Vendor Pages for CVE-2026-47729 (1)
- 🔗 Release v7.6 · squid-cache/squid · GitHubx_refsource_MISC
IV. Related Vulnerabilities
Same product: squid
- 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 - CVE-2025-62168
Squid vulnerable to information disclosure via authenticatio
Same vendor: squid-cache
- 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 - CVE-2025-62168
Squid vulnerable to information disclosure via authenticatio
Same weakness: CWE-125
- CVE-2026-19955
TrailDB TOC Validation tdb.c tdb_open out-of-bounds - CVE-2026-49282
Capstone M68K and RISCV `cs_insn_name()` invalid IDs can tri - CVE-2026-18020
IBM i is Affected By Multiple Vulnerabilities in NetServer - CVE-2026-17649
IBM i is Affected By Multiple Vulnerabilities in NetServer - CVE-2026-17226
IBM i is Affected By Multiple Vulnerabilities in NetServer
V. Comments for CVE-2026-47729
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