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CVE-2021-44712 : Vulnerability Insights and Analysis

Learn about Adobe Acrobat Reader vulnerability CVE-2021-44712 that could lead to application denial-of-service. Understand impacted versions, exploitation requirements, and mitigation steps.

Adobe Acrobat Reader Memory Corruption could lead to Application denial-of-service

Understanding CVE-2021-44712

What is CVE-2021-44712?

Adobe Acrobat Reader versions 21.007.20099 and earlier, 20.004.30017 and earlier, and 17.011.30204 and earlier are affected by an Access of Memory Location After End of Buffer vulnerability. This vulnerability could result in application denial-of-service with user interaction required for exploitation.

The Impact of CVE-2021-44712

The vulnerability in Adobe Acrobat Reader can lead to application denial-of-service. Key points:

        CVSS Base Score: 5.5 (Medium severity)
        Attack Vector: Local
        User Interaction Required
        High Availability Impact

Technical Details of CVE-2021-44712

Vulnerability Description

The issue involves Access of Memory Location After End of Buffer (CWE-788), impacting Adobe Acrobat Reader versions.

Affected Systems and Versions

        Adobe Acrobat Reader DC versions 21.007.20099 and earlier
        Adobe Acrobat Reader DC versions 20.004.30017 and earlier
        Adobe Acrobat Reader DC versions 17.011.30204 and earlier
        Specific version unspecified

Exploitation Mechanism

Exploitation necessitates user interaction where a victim has to open a malicious file to trigger the vulnerability.

Mitigation and Prevention

Immediate Steps to Take

        Update Adobe Acrobat Reader to the latest version
        Exercise caution while opening files from unknown or untrusted sources

Long-Term Security Practices

        Regularly update software and applications to patch vulnerabilities
        Educate users about safe file handling practices

Patching and Updates

        Apply security updates promptly to address known vulnerabilities

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