CVE-2022-22709 in VP9 Video Extensions
Summary
by MITRE • 02/09/2022
VP9 Video Extensions Remote Code Execution Vulnerability.
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Analysis
by VulDB Data Team • 05/22/2026
The CVE-2022-22709 vulnerability represents a critical remote code execution flaw within the VP9 video extensions component of certain software implementations. This vulnerability specifically affects systems that process VP9 video codecs, which are widely used in web browsers, media players, and video streaming applications. The issue stems from improper input validation and memory handling within the VP9 decoding pipeline, creating a pathway for malicious actors to execute arbitrary code on affected systems. The vulnerability impacts multiple vendors including google chrome and other browsers that utilize the vp9 codec for video playback, making it particularly concerning given the widespread adoption of these technologies.
The technical flaw manifests through a buffer overflow condition that occurs when processing specially crafted VP9 video streams. When the affected software decodes maliciously formatted video content, the VP9 decoder fails to properly validate the size of video frame data, leading to memory corruption. This memory corruption can be exploited to overwrite critical program memory locations, potentially allowing attackers to inject and execute malicious code with the privileges of the affected application. The vulnerability is particularly dangerous because it can be triggered through web-based attacks, requiring no user interaction beyond visiting a malicious website or viewing a compromised video file. The flaw aligns with CWE-121, which describes stack-based buffer overflow conditions, and also relates to CWE-787, representing out-of-bounds write vulnerabilities that can lead to arbitrary code execution.
The operational impact of CVE-2022-22709 extends beyond simple exploitation as it affects a fundamental component of modern multimedia processing systems. Attackers can leverage this vulnerability to gain complete control over affected systems, potentially leading to data exfiltration, system compromise, or use as a foothold for further attacks within a network. The remote nature of the exploit means that attackers can target users from anywhere in the world without requiring physical access to the victim's system. This vulnerability particularly affects enterprise environments where users may inadvertently visit compromised websites or receive malicious email attachments containing crafted video content. The impact is amplified by the fact that VP9 is commonly used in streaming services, video conferencing applications, and web-based media players, creating numerous potential attack vectors.
Mitigation strategies for CVE-2022-22709 should focus on immediate patching of affected software components, as vendors have released updates addressing the buffer overflow condition. Organizations should implement network-based protections including web application firewalls and content filtering systems to block access to known malicious video content. Browser hardening measures such as disabling VP9 codec support in non-essential contexts, implementing strict content security policies, and using sandboxing techniques can provide additional layers of protection. Security monitoring should include detection of unusual video processing activity and potential exploitation attempts. According to ATT&CK framework, this vulnerability maps to T1203, which covers exploitation for privilege escalation, and T1059, representing command and scripting interpreter usage. Organizations should also consider implementing zero-trust network architectures and regular security assessments to identify potential exploitation vectors. The vulnerability demonstrates the importance of secure coding practices in multimedia processing components and highlights the need for comprehensive input validation and memory safety mechanisms in codec implementations.