CVE-2021-46043
NixOS vulnerability analysis and mitigation

Overview

A Pointer Dereference Vulnerability exists in GPAC 1.0.1 in the gf_list_count function, which causes a Denial of Service. The vulnerability was discovered in December 2021 and assigned identifier CVE-2021-46043. The affected software is GPAC version 1.0.1 (NVD, Debian Tracker).

Technical details

The vulnerability is classified as a NULL Pointer Dereference issue (CWE-476) with a CVSS v3.1 base score of 5.5 MEDIUM (Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H). The issue occurs specifically in the gf_list_count function where an untrusted pointer dereference can lead to a segmentation fault (GitHub Issue).

Impact

When exploited, this vulnerability results in a Denial of Service (DoS) condition. The impact is limited to service availability, with no direct impact on confidentiality or integrity of the system (NVD).

Mitigation and workarounds

The vulnerability has been fixed in Debian's security update (version 1.0.1+dfsg1-4+deb11u2). Users are recommended to upgrade their GPAC packages to the patched version (Debian Security).

Additional resources


SourceThis report was generated using AI

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