Cloud Vulnerability DB
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Vulnerability DatabaseCVE-2021-39531
CVE-2021-39531:
Homebrew vulnerability analysis and mitigation
Overview
CVE-2021-39531 is a security vulnerability discovered in libslax through version 0.22.1. The vulnerability involves a stack-based buffer overflow in the slaxLexer() function within slaxlexer.c (NVD, CVE).
Technical details
The vulnerability is classified with a CVSS v3.1 Base Score of 8.8 (HIGH) with the vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H. The issue specifically occurs in the slaxLexer() function located in slaxlexer.c at line 955, where a dynamic-stack-buffer-overflow can be triggered (GitHub Issue).
Impact
The vulnerability can lead to multiple severe security implications including potential code execution, system crashes, and memory corruption. Given the CVSS score of 8.8, this vulnerability is considered high severity with potential impacts on confidentiality, integrity, and availability of the affected system (NVD).
Mitigation and workarounds
The primary mitigation is to upgrade libslax to a version newer than v0.22.1, which contains the fix for this vulnerability (NVD).
Additional resources
Source: This report was generated using AI
Related Homebrew vulnerabilities:
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