CVE-2021-40566: Use After Free
First published: Wed Jan 12 2022(Updated: )
A Segmentation fault casued by heap use after free vulnerability exists in Gpac through 1.0.1 via the mpgviddmx_process function in reframe_mpgvid.c when using mp4box, which causes a denial of service.
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-2021-40566?
CVE-2021-40566 is classified as a denial of service vulnerability due to a segmentation fault.
How do I fix CVE-2021-40566?
To fix CVE-2021-40566, upgrade to GPAC version 1.0.1+dfsg1-4+deb11u3 or 2.2.1+dfsg1-3.
What software is affected by CVE-2021-40566?
CVE-2021-40566 affects GPAC versions up to 1.0.1.
What causes the CVE-2021-40566 vulnerability?
The CVE-2021-40566 vulnerability is caused by heap use after free in the mpgviddmx_process function.
What components of GPAC are impacted by CVE-2021-40566?
CVE-2021-40566 impacts the mp4box component of GPAC.
- collector/security-tracker-debian
- agent/type
- collector/mitre-cve
- source/MITRE
- agent/references
- agent/author
- agent/severity
- agent/last-modified-date
- agent/remedy
- agent/weakness
- agent/first-publish-date
- agent/event
- agent/description
- agent/source
- agent/softwarecombine
- agent/tags
- collector/nvd-index
- agent/software-canonical-lookup-request
- package-manager/debian
- vendor/gpac
- canonical/gpac mp4box
- version/gpac mp4box/1.0.1