CVE-2021-40563: Null Pointer Dereference
First published: Wed Jan 12 2022(Updated: )
A Segmentation fault exists casued by null pointer dereference exists in Gpac through 1.0.1 via the naludmx_create_avc_decoder_config function in reframe_nalu.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-2021-40563?
CVE-2021-40563 has a high severity level due to its potential for causing denial of service.
How do I fix CVE-2021-40563?
To mitigate CVE-2021-40563, update the GPAC package to version 1.0.1+dfsg1-4+deb11u3 or higher.
Which versions of GPAC are affected by CVE-2021-40563?
GPAC versions up to and including 1.0.1 are affected by CVE-2021-40563.
What causes the vulnerability CVE-2021-40563?
CVE-2021-40563 is caused by a segmentation fault resulting from a null pointer dereference in the naludmx_create_avc_decoder_config function.
Is there a known workaround for CVE-2021-40563?
There are no known workarounds for CVE-2021-40563; updating to a secure version is the recommended solution.
- 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