CVE-2023-38253

CVSS 3.1 Score 5.5 of 10 (medium)

Attack Complexity low
Availability high
Confidentiality none
Integrity none
Scope unchanged
Privileges Required none

Details

Published Jul 14, 2023
Updated: Mar 27, 2024
CWE ID 125

Summary

CVE-2023-38253 is a newly discovered vulnerability affecting the w3m text-based web browser. The issue resides in the growbuf_to_Str function located in indep.c file. An out-of-bounds read flaw has been identified, which can be exploited by attackers to cause a denial of service. They can achieve this by crafting malicious HTML files that, when rendered by w3m, trigger the vulnerability and result in the browser crashing or becoming unresponsive. This vulnerability poses a threat to systems using w3m and requires immediate attention for patching or mitigation.

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Affected Products

  • Red Hat Enterprise Linux
  • Fedora Operating System

Affected Vendors

  • Red Hat
  • Fedora Project