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Vulnerability DatabaseCVE-2021-39557
CVE-2021-39557:
NixOS vulnerability analysis and mitigation
Overview
An issue was discovered in swftools through 20200710. A NULL pointer dereference exists in the function copyString() located in gmem.cc. It allows an attacker to cause Denial of Service (NVD, GitHub Issue).
Technical details
The vulnerability is a NULL pointer dereference in the copyString() function within the gmem.cc file. The issue 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 vulnerability has been classified as CWE-476 (NULL Pointer Dereference) (NVD).
Impact
When successfully exploited, this vulnerability can lead to a Denial of Service condition in the affected system. The impact is limited to availability, with no direct impact on confidentiality or integrity (NVD).
Mitigation and workarounds
The vulnerability affects swftools through version 20200710. Users should update to a newer version once available (NVD).
Additional resources
Source: This report was generated using AI
Related NixOS vulnerabilities:
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