CVE-2021-39597
NixOS vulnerability analysis and mitigation

Overview

A NULL pointer dereference vulnerability was discovered in swftools through version 20200710. The vulnerability exists in the function code_dump2() located in code.c. This issue was assigned CVE-2021-39597 and was disclosed on September 20, 2021 (NVD, CISA).

Technical details

The vulnerability is classified as a NULL pointer dereference issue (CWE-476) in the code_dump2() function within code.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, indicating local access with low attack complexity and requiring user interaction (NVD).

Impact

When successfully exploited, this vulnerability allows an attacker to cause a Denial of Service (DoS) condition in the application. The vulnerability affects the availability of the system but has no impact on confidentiality or integrity (NVD).

Additional resources


SourceThis report was generated using AI

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