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CVE-2021-38786 Details
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).
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
No SSVC data is available for this CVE.
References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://github.com/pokerfacett/MY_CVE_CREDIT/blob/master/Allwinner%20R818%20SoC%EF%BC%9AMedia%20vdecoder%20has%20Null%20Pointer%20Dereference%20Vulnerability.md | CVE | Broken LinkThird Party Advisory |
| https://vul.wangan.com/a/CNVD-2021-49173 | CVE | Third Party Advisory |
| https://www.allwinnertech.com/index.php?c=product&a=index&id=92 | CVE | ProductVendor Advisory |
| https://www.cnvd.org.cn/flaw/show/CNVD-2021-49173 | CVE | Third Party Advisory |
| https://github.com/pokerfacett/MY_CVE_CREDIT/blob/master/Allwinner%20R818%20SoC%EF%BC%9AMedia%20vdecoder%20has%20Null%20Pointer%20Dereference%20Vulnerability.md | [email protected] | Broken LinkThird Party Advisory |
| https://vul.wangan.com/a/CNVD-2021-49173 | [email protected] | Third Party Advisory |
| https://www.allwinnertech.com/index.php?c=product&a=index&id=92 | [email protected] | ProductVendor Advisory |
| https://www.cnvd.org.cn/flaw/show/CNVD-2021-49173 | [email protected] | Third Party Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-476 | NULL Pointer Dereference | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| allwinnertech android q sdk | 1.0 |
CPE
Remediation
| |
| allwinnertech r818 | All versions |
CPE
Remediation
| |
Change History
5 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| Nov 21, 2024 | CVE Modified | CVE |
| May 14, 2024 | CVE Modified | [email protected] |
| Jan 26, 2022 | Reanalysis | [email protected] |
| Jan 26, 2022 | Initial Analysis | [email protected] |