CVE-2023-44488
libvpx: crash related to VP9 encoding in libvpx
Severity
ImportantRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · September 30, 2023
Updated · November 22, 2025
Description
A heap-based buffer overflow flaw was found in libvpx, a library used to process VP9 video codecs data. This issue occurs when processing certain specially formatted video data via a crafted HTML page, allowing an attacker to crash or remotely execute arbitrary code in an application, such as a web browser that is compiled with this library.
Statement
This security issue has been classified as having an Important security impact. Desktop users are at a high risk of exploitation of this flaw with very minimal interaction. It may compromise the confidentiality, integrity, or availability of resources.
Customers using this application, which does server-side video codecs by linking to the libvpx library, are also potentially impacted by this flaw and are advised to update to the fixed versions of the package.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
Mitigation for this issue is either not available or the currently available options don't meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.
CVSS / CWE
CVSS 3.1 · 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE-755 · Improper Handling of Exceptional Conditions