CVE-2021-25803: Integer Overflow

Published Jul 26, 2021
·
Updated

A buffer overflow vulnerability in the vlcinputattachmentNew component of VideoLAN VLC Media Player 3.0.11 allows attackers to cause an out-of-bounds read via a crafted .avi file.

Affected Software

1 affected component
Videolan VLC Media Player=3.0.11

Event History

Jul 26, 2021
CVE Published
via MITRE·04:26 PM
Data Sourced
via MITRE·04:26 PM
Description
Free Weekly Intel

Don't miss critical vulnerabilities

Join thousands of security professionals who receive our weekly digest of trending CVEs, zero-days, and exploited vulnerabilities.

No spam. Unsubscribe anytime.

Frequently Asked Questions

1

What is CVE-2021-25803?

CVE-2021-25803 is a buffer overflow vulnerability in the vlc_input_attachment_New component of VideoLAN VLC Media Player 3.0.11.

2

How does CVE-2021-25803 affect VideoLAN VLC Media Player?

CVE-2021-25803 allows attackers to cause an out-of-bounds read in VLC Media Player 3.0.11 via a crafted .avi file.

3

What is the severity of CVE-2021-25803?

The severity of CVE-2021-25803 is high with a CVSS score of 7.1.

4

How can I fix CVE-2021-25803 in VideoLAN VLC Media Player?

To fix CVE-2021-25803, update to the latest version of VideoLAN VLC Media Player.

5

Where can I find more information about CVE-2021-25803?

More information about CVE-2021-25803 can be found at the following link: https://code.videolan.org/videolan/vlc-3.0/-/commit/56cbe9c4b59edbdc5e1bb2687992f3bbf492eccb.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203