CVE-2014-9598 in VLC Media Player
Summary
by MITRE
The picture_Release function in misc/picture.c in VideoLAN VLC media player 2.1.5 allows remote attackers to execute arbitrary code or cause a denial of service (write access violation) via a crafted M2V file.
Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
Analysis
by VulDB Data Team • 08/03/2025
The vulnerability identified as CVE-2014-9598 represents a critical security flaw within the VideoLAN VLC media player version 2.1.5, specifically within the picture_Release function located in the misc/picture.c source file. This issue manifests as a remote code execution vulnerability that can be exploited through the manipulation of M2V video files, which are part of the MPEG-2 video format family commonly used in digital broadcasting and DVD content. The vulnerability stems from improper memory management and input validation within the media player's handling of video frame data structures, creating a pathway for malicious actors to inject and execute arbitrary code on affected systems.
The technical implementation of this vulnerability involves a write access violation that occurs when the picture_Release function attempts to process memory regions containing malformed M2V file data. When VLC encounters a specially crafted M2V file, the function fails to properly validate the frame data structure, leading to a buffer overflow condition or memory corruption that can be leveraged by attackers to execute malicious code with the privileges of the running VLC process. This type of vulnerability falls under CWE-121, which describes stack-based buffer overflow conditions, and represents a classic example of improper input validation in multimedia processing libraries. The flaw demonstrates how multimedia applications can become attack vectors when they fail to properly sanitize external input data, particularly in complex parsing routines that handle variable-length data structures.
The operational impact of CVE-2014-9598 extends beyond simple denial of service scenarios to encompass full system compromise capabilities, making it a significant concern for organizations and individual users alike. Remote attackers can exploit this vulnerability without requiring local access or user interaction beyond the simple act of opening a maliciously crafted M2V file, which can be delivered through various attack vectors including email attachments, web downloads, or malicious websites. The vulnerability affects systems running VLC media player version 2.1.5 and potentially earlier versions, creating widespread exposure across numerous platforms including Windows, macOS, and Linux distributions where VLC is commonly installed. This makes the vulnerability particularly dangerous as it can be exploited through automated attacks or social engineering campaigns targeting users who may unknowingly open infected media files.
Mitigation strategies for CVE-2014-9598 primarily focus on immediate software updates and proactive security measures to protect against exploitation attempts. Users should immediately upgrade to VLC media player version 2.2.0 or later, where the vulnerability has been addressed through improved input validation and memory management within the picture_Release function. System administrators should implement network-level protections including content filtering and sandboxing mechanisms to prevent automatic execution of potentially malicious media files. The vulnerability aligns with ATT&CK technique T1203, which covers the use of malicious files for code execution, and demonstrates how multimedia applications can serve as initial access points for broader network compromises. Organizations should also consider implementing application whitelisting policies that restrict the execution of unauthorized media player versions and establish regular patch management procedures to ensure all systems remain protected against known vulnerabilities.