CVE-2021-4043
NixOS vulnerability analysis and mitigation

Overview

A NULL Pointer Dereference vulnerability was identified in the GitHub repository gpac/gpac versions prior to 1.1.0. The vulnerability was assigned CVE-2021-4043 and was publicly disclosed on February 4, 2022 (NVD).

Technical details

The vulnerability is classified as a NULL Pointer Dereference (CWE-476). It received a CVSS v3.1 base score of 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, low attack complexity, no privileges required, and user interaction required (NVD).

Impact

The vulnerability primarily affects the availability of the system, with no direct impact on confidentiality or integrity. If successfully exploited, it could lead to a denial of service condition through application crash (NVD).

Mitigation and workarounds

The vulnerability has been fixed in GPAC version 1.1.0 and later. A patch was released and is available through the official repository. For Debian systems, the fix was included in version 1.0.1+dfsg1-4+deb11u2 (Debian Advisory).

Additional resources


SourceThis report was generated using AI

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