CVE-2021-40564: Null Pointer Dereference
First published: Wed Jan 12 2022(Updated: )
A Segmentation fault caused by null pointer dereference vulnerability eists in Gpac through 1.0.2 via the avc_parse_slice function in av_parsers.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 | <=1.0.2 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2021-40564?
CVE-2021-40564 has a severity rating of medium due to its potential to cause a denial of service.
How do I fix CVE-2021-40564?
To fix CVE-2021-40564, upgrade to GPAC version 1.0.2 or later.
Which software is affected by CVE-2021-40564?
CVE-2021-40564 affects GPAC versions up to and including 1.0.2.
What causes the vulnerability in CVE-2021-40564?
The vulnerability in CVE-2021-40564 is caused by a null pointer dereference in the avc_parse_slice function.
What impact does CVE-2021-40564 have on systems?
CVE-2021-40564 can lead to a denial of service condition, impacting system availability.
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- collector/mitre-cve
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- collector/nvd-index
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- package-manager/debian
- vendor/gpac
- canonical/gpac mp4box
- version/gpac mp4box/1.0.2