CVE-2023-6349

HIGH
Published May 27, 2024 Modified Jul 22, 2025 CWE-122 CWE-787

Description

A heap overflow vulnerability exists in libvpx - Encoding a frame that has larger dimensions than the originally configured size with VP9 may result in a heap overflow in libvpx. We recommend upgrading to version 1.13.1 or above

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CVSS v3.1 Score

7.5
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness Type (CWE)

CWE-122 CWE-122
CWE-787 Out-of-bounds Write

Affected Products

Vendor Product
webmproject libvpx

References

Frequently Asked Questions

What is CVE-2023-6349? +
A heap overflow vulnerability exists in libvpx - Encoding a frame that has larger dimensions than the originally configured size with VP9 may result in a heap overflow in libvpx. We recommend upgrading to version 1.13.1 or above It has a CVSS v3.1 base score of 7.5 (HIGH).
How severe is CVE-2023-6349? +
CVE-2023-6349 has a CVSS v3.1 score of 7.5 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.
What products are affected by CVE-2023-6349? +
CVE-2023-6349 affects products from webmproject, specifically: libvpx. Check the affected products table above for specific version ranges.
How do I check if I'm vulnerable to CVE-2023-6349? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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