CVE-2021-39584
NixOS vulnerability analysis and mitigation

Overview

A NULL pointer dereference vulnerability was discovered in swftools through version 20200710. The vulnerability exists in the namespacesethash() function located in pool.c. This security issue was assigned CVE-2021-39584 and was disclosed on September 20, 2021 (NVD, CISA).

Technical details

The vulnerability is classified as a NULL pointer dereference issue occurring in the namespacesethash() function within pool.c. The CVSS v3.1 base score is 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. The CVSS v2.0 base score is 4.3 (Medium) with the 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. The vulnerability affects the availability of the system while having no direct impact on confidentiality or integrity (NVD).

Additional resources


SourceThis report was generated using AI

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