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Vulnerability DatabaseCVE-2021-39554
CVE-2021-39554:
NixOS vulnerability analysis and mitigation
Overview
A NULL pointer dereference vulnerability was discovered in swftools through version 20200710. The vulnerability exists in the function Lexer::Lexer() located in Lexer.cc file (GitHub Issue).
Technical details
The vulnerability is classified as a NULL pointer dereference issue with a CVSS v3.1 base score of 5.5 (MEDIUM) and vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H. The CVSS v2.0 score is 4.3 (MEDIUM) with vector: (AV:N/AC:M/Au:N/C:N/I:N/A:P). The vulnerability has been assigned CWE-476 (NULL Pointer Dereference) (NVD).
Impact
When successfully exploited, this vulnerability allows an attacker to cause a Denial of Service condition in the affected system (NVD).
Mitigation and workarounds
Users should upgrade to a version newer than 20200710 when available. No specific workarounds have been publicly documented (NVD).
Additional resources
Source: This report was generated using AI
Related NixOS vulnerabilities:
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