CRITICAL · 9.8

CVE-2021-30636

In MediaTek LinkIt SDK before 4.6.1, there is a possible memory corruption due to an integer overflow during mishandled memory allocation by pvPortCalloc and pvPortRealloc.

Vulnerability Description

In MediaTek LinkIt SDK before 4.6.1, there is a possible memory corruption due to an integer overflow during mishandled memory allocation by pvPortCalloc and pvPortRealloc.

CVSS Score

9.8

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
MediatekLinkit Software Development Kit< 4.6.1

Related Weaknesses (CWE)

References

FAQ

What is CVE-2021-30636?

CVE-2021-30636 is a vulnerability with a CVSS score of 9.8 (CRITICAL). In MediaTek LinkIt SDK before 4.6.1, there is a possible memory corruption due to an integer overflow during mishandled memory allocation by pvPortCalloc and pvPortRealloc.

How severe is CVE-2021-30636?

CVE-2021-30636 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2021-30636?

Check the references section above for vendor advisories and patch information. Affected products include: Mediatek Linkit Software Development Kit.