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Status published
High
CVE-2021-38786
There is a NULL pointer dereference in media/libcedarc/vdecoder of Allwinner...
Vulnerability Description
There is a NULL pointer dereference in media/libcedarc/vdecoder of Allwinner R818 SoC Android Q SDK V1.0, which could cause a media crash (denial of service).
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
- https://www.allwinnertech.com/index.php?c=product&a=index&id=92
- https://github.com/pokerfacett/MY_CVE_CREDIT/blob/master/Allwinner%20R818%20SoC%EF%BC%9AMedia%20vdecoder%20has%20Null%20Pointer%20Dereference%20Vulnerability.md
- https://www.cnvd.org.cn/flaw/show/CNVD-2021-49173
- https://vul.wangan.com/a/CNVD-2021-49173
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Affected Vendor
allwinnertech
View all reports →Affected Software
android q sdk
Vulnerable Versions:
1.0
Timeline
Official Publish:
January 19th, 2022
Last Modified:
August 4th, 2024
Added to House:
July 21st, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.