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Vulnerability DatabaseCVE-2021-40562
CVE-2021-40562:
NixOS vulnerability analysis and mitigation
Overview
A segmentation fault caused by a floating point exception exists in Gpac through 1.0.1 using mp4box via the naludmx_enqueue_or_dispatch function in reframe_nalu.c, which causes a denial of service (GPAC Issue, NVD).
Technical details
The vulnerability occurs in the naludmx_enqueue_or_dispatch function located in reframe_nalu.c at line 675. The issue is triggered when processing certain video files, causing a floating point exception that leads to a program crash. The vulnerability has 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) (NVD).
Impact
The vulnerability results in a denial of service condition through program crash when processing certain video files. The impact is limited to availability with no compromise to confidentiality or integrity (NVD).
Mitigation and workarounds
The vulnerability has been fixed in GPAC version 1.0.1+dfsg1-4+deb11u2 for Debian systems. Users are recommended to upgrade their GPAC installations to the patched version (Debian Advisory). A fix was also implemented in commit 5dd71c7201a3e5cf40732d585bfb21c906c171d3 (GPAC Patch).
Additional resources
Source: This report was generated using AI
Related NixOS vulnerabilities:
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