CVE-2021-40571: Double Free
First published: Thu Jan 13 2022(Updated: )
The binary MP4Box in Gpac 1.0.1 has a double-free vulnerability in the ilst_box_read function in box_code_apple.c, which allows attackers to cause a denial of service, even code execution and escalation of privileges.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| debian/gpac | <=0.5.2-426-gc5ad4e4+dfsg5-5 | 1.0.1+dfsg1-4+deb11u3 2.2.1+dfsg1-3 |
| GPAC MP4Box | =1.0.1 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2021-40571?
CVE-2021-40571 is classified as a high severity vulnerability due to its potential for denial of service and possible remote code execution.
How do I fix CVE-2021-40571?
To fix CVE-2021-40571, upgrade to the patched versions of GPAC, specifically 1.0.1+dfsg1-4+deb11u3 or 2.2.1+dfsg1-3.
What causes CVE-2021-40571?
CVE-2021-40571 is caused by a double-free vulnerability in the ilst_box_read function in GPAC's MP4Box.
Which versions of GPAC are affected by CVE-2021-40571?
CVE-2021-40571 affects GPAC versions before 1.0.1+dfsg1-4+deb11u3 and 2.2.1+dfsg1-3.
What types of attacks can CVE-2021-40571 facilitate?
CVE-2021-40571 can facilitate denial of service attacks as well as potential code execution and privilege escalation.
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- canonical/gpac mp4box
- version/gpac mp4box/1.0.1