Wiz
Vulnerability DatabaseCVE-2022-47663

CVE-2022-47663: 
NixOS vulnerability analysis and mitigation

Overview

GPAC MP4box version 2.1-DEV-rev649-ga8f438d20 was found to contain a buffer overflow vulnerability in the h263dmx_process function located in filters/reframe_h263.c at line 609. The vulnerability was discovered in December 2022 and was assigned CVE-2022-47663 (NVD, Debian).

Technical details

The vulnerability is classified as a heap buffer overflow with a CVSS v3.1 base score of 7.8 (HIGH). The attack vector is local (AV:L) with low attack complexity (AC:L), requiring no privileges (PR:N) but user interaction (UI:R). The scope is unchanged (S:U) with high impacts on confidentiality, integrity, and availability (C:H/I:H/A:H) (NVD).

Impact

The buffer overflow vulnerability could lead to denial of service conditions or potentially allow for arbitrary code execution. When exploited, the vulnerability causes a READ operation of size 4294967295 at an unauthorized memory location, which can crash the application (GitHub).

Mitigation and workarounds

The vulnerability has been fixed in GPAC version 2.2.0 and later releases. For Debian users, the fix is available in version 1.0.1+dfsg1-4+deb11u2 for the stable distribution (bullseye) (Debian).

Additional resources

Source: This report was generated using AI

Related NixOS vulnerabilities:

CVE ID

Severity

Score

Technologies

Component name

CISA KEV exploit

Has fix

Published date

CVE-2026-22783HIGH8.1
  • NixOSNixOS
  • iris
NoYesJan 12, 2026
CVE-2026-0821MEDIUM6.9
  • NixOSNixOS
  • quickjs
NoNoJan 10, 2026
CVE-2025-68949MEDIUM5.3
  • NixOSNixOS
  • n8n
NoYesJan 13, 2026
CVE-2026-22784LOW2.3
  • NixOSNixOS
  • lychee
NoYesJan 12, 2026
CVE-2026-23497LOW1.3
  • NixOSNixOS
  • learning
NoYesJan 14, 2026

Free Vulnerability Assessment

Benchmark your Cloud Security Posture

Evaluate your cloud security practices across 9 security domains to benchmark your risk level and identify gaps in your defenses.

Request assessment

Additional Wiz resources

Cloud Vulnerability DB

Cloud Vulnerability DB

A community-led vulnerabilities database

Cloud Threat Landscape

Cloud Threat Landscape

A threat intelligence database

PEACH

PEACH

A tenant isolation framework

Get a personalized demo

Ready to see Wiz in action?

"Best User Experience I have ever seen, provides full visibility to cloud workloads."
David EstlickCISO
"Wiz provides a single pane of glass to see what is going on in our cloud environments."
Adam FletcherChief Security Officer
"We know that if Wiz identifies something as critical, it actually is."
Greg PoniatowskiHead of Threat and Vulnerability Management
Get a demo