CVE-2021-42726 Explained : Impact and Mitigation

Adobe Bridge version 11.1.1 (and earlier) is impacted by a memory corruption vulnerability, leading to potential arbitrary code execution. Learn more about the details, impact, and mitigation steps.

Understanding CVE-2021-42726

Adobe Bridge version 11.1.1 (and earlier) is affected by a memory corruption vulnerability that can result in arbitrary code execution.

What is CVE-2021-42726?

Adobe Bridge 11.1.1 (and prior) is vulnerable to memory corruption when handling malicious M4A files.
This vulnerability may allow attackers to execute arbitrary code within the user's context, requiring user interaction.

The Impact of CVE-2021-42726

CVSS Score: 7.8 (High)
Severity: High
Attack Vector: Local
Impact: High impact on confidentiality, integrity, and availability.
User Interaction: Required
This vulnerability could result in arbitrary code execution.

Technical Details of CVE-2021-42726

Adobe Bridge vulnerability details and exploitation mechanisms.

Vulnerability Description

The vulnerability is caused by insecure handling of M4A files, leading to memory corruption.

Affected Systems and Versions

Affected Product: Adobe Bridge
Vendor: Adobe
Vulnerable Versions: 11.1.1 and earlier
Version Type: Custom

Exploitation Mechanism

Attack Complexity: Low
Privileges Required: None
Attack Vector: Local

Mitigation and Prevention

Protecting your systems against CVE-2021-42726.

Immediate Steps to Take

Update Adobe Bridge to the latest non-vulnerable version.
Avoid opening suspicious or untrusted M4A files.
Educate users about the risks of opening unknown files.

Long-Term Security Practices

Regularly update software and apply security patches promptly.
Implement robust cybersecurity awareness training for users.

Patching and Updates

Keep Adobe Bridge and all software up to date to mitigate known vulnerabilities.