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Vulnerability DatabaseCVE-2021-39590
CVE-2021-39590:
NixOS vulnerability analysis and mitigation
Overview
A NULL pointer dereference vulnerability was discovered in swftools through version 20200710. The vulnerability exists in the params_dump() function located in abc.c, which allows attackers to cause a Denial of Service condition (NVD, GitHub Issue).
Technical details
The vulnerability is tracked as CVE-2021-39590 and has been assigned a CVSS v3.1 base score of 5.5 (Medium) with vector string CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H. The issue occurs when the params_dump() function in abc.c attempts to dereference a NULL pointer at line 58, leading to a segmentation fault (NVD).
Impact
When successfully exploited, this vulnerability can cause a denial of service condition by crashing the application through a segmentation fault. The impact is limited to availability, with no direct impact on confidentiality or integrity of the system (NVD).
Mitigation and workarounds
Users should upgrade to a version newer than 20200710 if available. No specific workarounds have been published for this vulnerability (NVD).
Additional resources
Source: This report was generated using AI
Related NixOS vulnerabilities:
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