CVE-2023-49606
Quick assessment
Affected
Tinyproxy Tinyproxy
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Tinyproxy是Tinyproxy开源的一个小型、高效的 HTTP/SSL 代理守护程序。 Tinyproxy 1.11.1版本和1.10.0版本存在资源管理错误漏洞，该漏洞源于存在释放后重用漏洞，可以导致内存损坏和远程代码执行。
Possible ATT&CK Techniques 1 AI
T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2023-49606
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A use-after-free vulnerability exists in the HTTP Connection Headers parsing in Tinyproxy 1.11.1 and Tinyproxy 1.10.0. A specially crafted HTTP header can trigger reuse of previously freed memory, which leads to memory corruption and could lead to remote code execution. An attacker needs to make an unauthenticated HTTP request to trigger this vulnerability.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
释放后使用
Source: CVE Program / CVE List V5
Vulnerability Title
Tinyproxy 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Tinyproxy是Tinyproxy开源的一个小型、高效的 HTTP/SSL 代理守护程序。 Tinyproxy 1.11.1版本和1.10.0版本存在资源管理错误漏洞，该漏洞源于存在释放后重用漏洞，可以导致内存损坏和远程代码执行。
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)
Shenlong Deep Dive — AI Deep Analysis
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Affected Products
II. Public POCs for CVE-2023-49606
| # | POC Description | Source Link | Shenlong Link |
|---|---|---|---|
| 1 | Critical use-after-free vulnerability discovered in Tinyproxy | https://github.com/d0rb/CVE-2023-49606 | POC Details |
AI-Generated POC
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Mailing List Discussions for CVE-2023-49606 (1)
Other References for CVE-2023-49606 (1)
IV. Related Vulnerabilities
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CVE-2026-54388
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CVE-2026-55202
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CVE-2026-31842
Tinyproxy HTTP request parsing desynchronization via case-se -
CVE-2026-3945
tinyproxy Integer Overflow in HTTP Chunked Transfer-Encoding
Same vendor: Tinyproxy
-
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Tinyproxy - HTTP Request Smuggling via CL/TE Desynchronizati -
CVE-2026-55202
Tinyproxy - Stathost Detection Bypass via Host Header Manipu -
CVE-2026-3945
tinyproxy Integer Overflow in HTTP Chunked Transfer-Encoding
Same weakness: CWE-416
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V. Comments for CVE-2023-49606
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