REDHAT-BUG-2449598: High severity Nginx NGINX Open Source vulnerability

Published Mar 20, 2026
·
Updated

Out-of-Bounds Read/Write vulnerability in the ngxhttpmp4module of NGINX Open Source and NGINX Plus. The flaw is caused by improper handling of specially crafted MP4 files during processing. When such a file is parsed, it can trigger a buffer over-read or overwrite in worker memory, leading to process termination or undefined behavior. This vulnerability can be exploited by a local authenticated attacker capable of supplying a malicious MP4 file, potentially causing denial-of-service or achieving code execution under certain conditions.

Affected Software

2 affected components
Nginx NGINX Open Source
Nginx NGINX Plus

Event History

Mar 20, 2026
Data Sourced
via Red Hat·11:58 AM
DescriptionSeverityAffected Software
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Frequently Asked Questions

1

What is the severity of REDHAT-BUG-2449598?

REDHAT-BUG-2449598 is classified as a medium severity vulnerability.

2

How do I fix REDHAT-BUG-2449598?

To fix REDHAT-BUG-2449598, update to the patched versions of NGINX Open Source or NGINX Plus recommended by the vendor.

3

What types of systems are affected by REDHAT-BUG-2449598?

REDHAT-BUG-2449598 affects NGINX Open Source and NGINX Plus installations that process specially crafted MP4 files.

4

What consequences can arise from REDHAT-BUG-2449598?

Exploitation of REDHAT-BUG-2449598 can lead to out-of-bounds read or write, which may compromise worker memory integrity.

5

How does REDHAT-BUG-2449598 affect NGINX's functionality?

REDHAT-BUG-2449598 can disrupt NGINX's ability to correctly handle certain MP4 files, potentially resulting in service interruptions.

Contact

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