CVE-2021-38291 Explained : Impact and Mitigation

FFmpeg version (git commit de8e6e67e7523e48bb27ac224a0b446df05e1640) suffers from an assertion failure at src/libavutil/mathematics.c.

Understanding CVE-2021-38291

This article provides insights into the CVE-2021-38291 vulnerability in FFmpeg.

What is CVE-2021-38291?

CVE-2021-38291 is a vulnerability found in FFmpeg version (git commit de8e6e67e7523e48bb27ac224a0b446df05e1640) that leads to an assertion failure at src/libavutil/mathematics.c.

The Impact of CVE-2021-38291

This vulnerability can be exploited by attackers to cause a denial of service or potentially execute arbitrary code, posing a significant threat to systems running the affected FFmpeg version.

Technical Details of CVE-2021-38291

Explore the technical aspects of CVE-2021-38291 to understand its implications.

Vulnerability Description

The vulnerability in FFmpeg results in an assertion failure, indicating a flaw in the mathematical functions implemented in the library.

Affected Systems and Versions

All systems running the specific vulnerable version of FFmpeg are at risk, as highlighted by the affected versions and products listed.

Exploitation Mechanism

Attackers can exploit this vulnerability by crafting specific malicious inputs to trigger the assertion failure, potentially leading to a system crash or arbitrary code execution.

Mitigation and Prevention

Discover the steps to mitigate the risks associated with CVE-2021-38291.

Immediate Steps to Take

Users are advised to update FFmpeg to a patched version or apply relevant security updates to avoid exploitation of this vulnerability.

Long-Term Security Practices

Implementing secure coding practices and regularly updating software components can enhance overall system security and mitigate potential risks.

Patching and Updates

Stay informed about security patches and updates released by FFmpeg developers to address vulnerabilities and strengthen system defenses.