CVE-2021-45266 Explained : Impact and Mitigation

This CVE-2021-45266 article provides detailed information about a null pointer dereference vulnerability in gpac 1.1.0, leading to a segmentation fault and application crash.

Understanding CVE-2021-45266

A null pointer dereference vulnerability in gpac 1.1.0 can result in a segmentation fault, causing the application to crash.

What is CVE-2021-45266?

This CVE refers to a vulnerability in gpac 1.1.0 through the lsr_read_anim_values_ex function that triggers a null pointer dereference, leading to a segmentation fault and application crash.

The Impact of CVE-2021-45266

The vulnerability can be exploited to cause a denial of service (DoS) by crashing the affected application, affecting system availability and integrity.

Technical Details of CVE-2021-45266

A deeper look into the technical aspects of the vulnerability.

Vulnerability Description

A null pointer dereference vulnerability in gpac 1.1.0 arises via the lsr_read_anim_values_ex function, resulting in a segmentation fault and application crash.

Affected Systems and Versions

Product: gpac 1.1.0
Vendor: n/a
Versions: n/a

Exploitation Mechanism

The vulnerability can be exploited by a remote attacker to trigger the null pointer dereference, leading to a DoS.

Mitigation and Prevention

Suggestions for mitigating and preventing the exploitation of CVE-2021-45266.

Immediate Steps to Take

Update gpac to a patched version as soon as available.
Implement appropriate access controls to limit exposure.

Long-Term Security Practices

Regularly monitor vendor security advisories for patches.
Conduct regular security assessments to identify and address vulnerabilities.

Patching and Updates

Apply security patches provided by the vendor promptly to remediate the vulnerability.