CVE-2023-49606

9.8 CRITICAL
Published: May 01, 2024 Modified: November 04, 2025

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.

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

Login to generate AI explanation

CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://www.openwall.com/lists/oss-security/2024/05/07/1
Source: talos-cna@cisco.com
Exploit Issue Tracking Mailing List Patch Third Party Advisory
https://talosintelligence.com/vulnerability_reports/TALOS-2023-1889
Source: talos-cna@cisco.com
Exploit Third Party Advisory
http://www.openwall.com/lists/oss-security/2024/05/07/1
Source: af854a3a-2127-422b-91ae-364da2661108
Exploit Issue Tracking Mailing List Patch Third Party Advisory
https://talosintelligence.com/vulnerability_reports/TALOS-2023-1889
Source: af854a3a-2127-422b-91ae-364da2661108
Exploit Third Party Advisory

6 reference(s) from NVD

Quick Stats

CVSS v3 Score
9.8 / 10.0
EPSS (Exploit Probability)
77.5%
99th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

Affected Vendors

tinyproxy_project