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Vulnerability DatabaseCVE-2021-39588
CVE-2021-39588:
NixOS vulnerability analysis and mitigation
Overview
CVE-2021-39588 was discovered in swftools through version 20200710. The vulnerability is a NULL pointer dereference in the function swf_ReadABC() located in abc.c. This security issue was disclosed on September 20, 2021 (NVD, CISA).
Technical details
The vulnerability has been assigned a CVSS v3.1 base score of 5.5 (Medium) with vector CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H. The issue occurs in the swf_ReadABC() function within abc.c when processing SWF files. When triggered, the vulnerability leads to a NULL pointer dereference condition (NVD).
Impact
When exploited, this vulnerability allows an attacker to cause a Denial of Service (DoS) condition by triggering a crash in the application through NULL pointer dereference (NVD).
Mitigation and workarounds
Users should upgrade to a version newer than swftools 20200710 where this vulnerability has been addressed. No specific workarounds have been published for users who cannot upgrade (NVD).
Additional resources
Source: This report was generated using AI
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