CVE-2020-21836
NixOS vulnerability analysis and mitigation

Overview

A heap based buffer overflow vulnerability exists in GNU LibreDWG 0.10 via read2004section_preview in ../../src/decode.c:3175 (NVD). The vulnerability was assigned CVE-2020-21836 and was published on 05/17/2021.

Technical details

The vulnerability has been assigned a CVSS v3.1 base score of 8.8 HIGH with vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H. The vulnerability exists in the read2004section_preview function located in the decode.c file at line 3175 (NVD). The issue has been classified as CWE-787 (Out-of-bounds Write) by NIST.

Impact

A successful exploitation of this vulnerability could allow an attacker to achieve high impacts on confidentiality, integrity, and availability of the affected system. The CVSS score of 8.8 indicates severe potential consequences if exploited (NVD).

Mitigation and workarounds

The vulnerability affects GNU LibreDWG version 0.10. Users should upgrade to a patched version of the software when available (NVD).

Additional resources


SourceThis report was generated using AI

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