A vulnerability, which was classified as critical, was found in FFmpeg up to 7.1. This affects the function ff_aac_search_for_tns of the file libavcodec/aacenc_tns.c of the component AAC Encoder. The manipulation leads to stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used.
The CVSS score for this vulnerability is 5.3, indicating a medium severity level. Organizations using FFmpeg should assess their exposure and take necessary actions to mitigate potential risks.
Risk to organizations includes unauthorized access and potential data loss. Given the nature of this vulnerability, it is essential for organizations to address it in their priority patch cycle.
As of now, there is no public exploit confirmed, but the potential for exploitation exists, making it critical for defenders to take immediate action.
Organizations should prioritize patching immediately.
Vulnerability Details
A vulnerability, which was classified as critical, was found in FFmpeg up to 7.1. This affects the function ff_aac_search_for_tns of the file libavcodec/aacenc_tns.c of the component AAC Encoder. The manipulation leads to stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used.
The CVSS score for this vulnerability is 5.3, indicating a medium severity level. The attack vector is NETWORK, with low attack complexity and no privileges required. The confidentiality, integrity, and availability impacts are all classified as LOW.
The affected product is FFmpeg, and it has been analyzed as of the last modification date on June 3, 2025.
Technical Analysis
The root cause of this vulnerability lies in the stack-based buffer overflow within the AAC Encoder component of FFmpeg. This vulnerability can be exploited remotely, presenting a significant risk for applications that utilize this library.
The attack vector is classified as NETWORK, and the attack complexity is low, indicating that exploitation does not require extensive conditions or prerequisites. No privileges are required to carry out the attack, and while user interaction is passive, it is important to note that the attacker may need to entice the user to engage with malicious content.
The potential impacts on confidentiality, integrity, and availability are low. However, organizations utilizing this component should be vigilant, as an attacker leveraging this vulnerability could cause operational disruptions or unauthorized data access.
Risk & Impact Analysis
Real-world deployment risk is significant due to the prevalence of FFmpeg in various multimedia applications. The potential blast radius for this vulnerability includes any system using the affected versions of FFmpeg, making it critical for organizations to evaluate their exposure.
Due to the nature of this vulnerability, organizations should schedule remediation as part of their security practices. It is essential to prioritize this in the patch cycle, especially given the public knowledge of the exploit.
The urgency for fixing this vulnerability is assessed as high, given its critical classification and the potential for exploitation.
Exploitation Status
Signal | Status |
|---|---|
Known Exploit | No |
Public PoC | No |
Actively Exploited | No |
Ransomware Use | No |
Affected Versions
All versions prior to vendor patch for FFmpeg are affected. Organizations should ensure they are not utilizing any of the vulnerable versions up to 7.1.
Mitigation & Remediation
Organizations should patch FFmpeg to the latest version to remediate this vulnerability. If a patch is unavailable, consider implementing workarounds by restricting access to the affected components.
Ensure configuration hardening is in place to prevent unauthorized access and monitor for any anomalous activity in systems utilizing FFmpeg.
For further assistance, organizations can consider engaging in penetration testing to validate their security posture.
Detection Guidance
Monitor logs for any unusual access patterns or attempts to exploit the vulnerability. Look for behavioral anomalies that may indicate attempts to manipulate the AAC Encoder component of FFmpeg.
Network signatures should also be established to detect any malicious traffic associated with the exploitation of this vulnerability.
AppSecure Threat Intelligence Insight
The long-term significance of this vulnerability lies in its potential to be exploited in various multimedia applications that rely on FFmpeg. Security teams should remain vigilant and consider this vulnerability as part of their broader threat landscape.
It represents a pattern of vulnerabilities that can emerge in widely used libraries, emphasizing the need for proactive security measures.
For comprehensive security frameworks, organizations should implement regular vulnerability management programs to stay ahead of emerging threats.
Additionally, security teams should familiarize themselves with penetration testing methodologies to effectively identify and mitigate such vulnerabilities in their systems.
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
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