CVE-2021-45767
NixOS vulnerability analysis and mitigation

Overview

GPAC 1.1.0 was discovered to contain an invalid memory address dereference vulnerability in the function lsr_read_id(). This vulnerability was assigned CVE-2021-45767 and was disclosed in December 2021. The vulnerability affects GPAC version 1.1.0 and potentially earlier versions (NVD, Debian Security).

Technical details

The vulnerability is caused by an invalid memory address dereference in the lsr_read_id() function. According to the National Vulnerability Database, this issue has been assigned 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 (NVD).

Impact

When exploited, this vulnerability can lead to a Denial of Service (DoS) condition through application crash due to segmentation fault (NVD, GitHub Issue).

Mitigation and workarounds

For Debian systems, this vulnerability has been fixed in version 1.0.1+dfsg1-4+deb11u2 for the stable distribution (bullseye). 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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