CVE-2025-59383 in Media Streaming Add-on
Summary
by MITRE • 03/20/2026
A buffer overflow vulnerability has been reported to affect Media Streaming Add-On. The remote attackers can then exploit the vulnerability to modify memory or crash processes.
We have already fixed the vulnerability in the following version: Media Streaming Add-on 500.1.1 and later
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Analysis
by VulDB Data Team • 03/27/2026
This vulnerability represents a critical buffer overflow flaw within the Media Streaming Add-On component that exposes systems to remote code execution and system instability. The flaw occurs when the application fails to properly validate input lengths during media stream processing, allowing attackers to craft malicious payloads that exceed allocated buffer boundaries. Such buffer overflows typically arise from insufficient bounds checking in memory management routines and can be exploited through crafted media files or streaming protocols that the add-on processes. The vulnerability affects the core streaming functionality where data is read from network sources or local storage and processed for playback, creating multiple attack vectors for remote exploitation. According to CWE standards, this vulnerability maps directly to CWE-121 which encompasses stack-based buffer overflow conditions, and CWE-122 which covers heap-based buffer overflow scenarios. The attack surface extends across all systems utilizing the affected media streaming add-on, particularly those handling untrusted media content from external sources or network streams.
The technical implementation of this vulnerability enables attackers to manipulate memory layout through controlled input data that overflows predetermined buffer allocations. When the add-on processes malicious media data, the buffer overflow can overwrite adjacent memory locations including return addresses, function pointers, or control variables that govern program execution flow. This memory corruption can result in arbitrary code execution with the privileges of the affected process, potentially allowing attackers to escalate their access to system-level operations. The crash behavior manifests when the overflow corrupts critical program state, leading to denial of service conditions that can be exploited for persistent disruption of media streaming services. From an operational perspective, this vulnerability represents a significant risk to enterprise environments where media streaming services are integral to business operations, particularly affecting content delivery networks, media servers, and collaborative platforms that rely on streaming capabilities.
The exploitation of this vulnerability requires remote access to systems running the affected software version and typically involves crafting specific media content or network streams that trigger the buffer overflow condition. Attackers may leverage this flaw in conjunction with other techniques to achieve persistent access or privilege escalation within target environments. The remediation approach requires immediate deployment of the patched version 500.1.1 or later, which implements proper input validation, bounds checking, and memory management controls to prevent buffer overflow conditions. Security teams should conduct comprehensive vulnerability assessments across all systems utilizing the media streaming add-on and implement network segmentation to limit potential attack vectors. Organizations should also establish monitoring protocols to detect anomalous media stream processing behavior that might indicate exploitation attempts. According to ATT&CK framework, this vulnerability aligns with T1203 - Exploitation for Client Execution and T1499 - Endpoint Termination, representing both initial access and post-exploitation capabilities. The attack chain typically involves reconnaissance of vulnerable systems followed by exploitation through crafted media content, potentially leading to full system compromise. System administrators should verify patch compliance across all endpoints and consider implementing additional security controls such as application whitelisting and network access controls to mitigate potential exploitation risks.