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Vulnerability DatabaseCVE-2021-39561

CVE-2021-39561: 
NixOS vulnerability analysis and mitigation

Overview

A stack-buffer-overflow vulnerability was discovered in swftools through version 20200710. The vulnerability exists in the function Gfx::opSetFillColorN() located in Gfx.cc file. This vulnerability was assigned CVE-2021-39561 and was disclosed on September 20, 2021 (NVD).

Technical details

The vulnerability is a stack-based buffer overflow that occurs in the Gfx::opSetFillColorN() function at line 1258 of the xpdf/Gfx.cc file. The issue has been assigned a CVSS v3.1 Base Score of 7.8 (HIGH) with the vector string CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H (NVD).

Impact

If successfully exploited, this vulnerability allows an attacker to cause code execution in the context of the application. The high CVSS score indicates potential severe impacts on confidentiality, integrity, and availability of the affected system (NVD).

Mitigation and workarounds

Users should upgrade to a version newer than 20200710 if available. No specific workarounds have been publicly documented for this vulnerability (NVD).

Additional resources

Source: This report was generated using AI

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