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Vulnerability DatabaseCVE-2023-38252
CVE-2023-38252:
NixOS vulnerability analysis and mitigation
Overview
CVE-2023-38252 is an out-of-bounds read vulnerability discovered in w3m, specifically in the Strnew_size function within Str.c. The vulnerability was disclosed on July 14, 2023, affecting w3m version 0.5.3+git20230121 and potentially earlier versions (NVD, Ubuntu).
Technical details
The vulnerability is classified as an out-of-bounds read flaw (CWE-125) in the Strnew_size function located in Str.c. It has received a CVSS v3.1 base score of 5.5 (Medium) with the vector string CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H, indicating local access requirements and high availability impact (NVD).
Impact
When exploited, this vulnerability allows an attacker to cause a denial of service through a crafted HTML file. The impact is primarily focused on system availability, with no direct effect on confidentiality or integrity (NVD, GitHub Issue).
Mitigation and workarounds
Multiple distributions have released patches to address this vulnerability. Ubuntu has marked it as fixed in various versions including 24.04 LTS, 23.10, and 23.04. Fedora has also released security updates for versions 38, 39, and 40 (Ubuntu, Fedora Update).
Additional resources
Source: This report was generated using AI
Related NixOS vulnerabilities:
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