Vulnerability Description
NXP MCUXpresso SDK versions prior to 2.8.2 are vulnerable to integer overflow in SDK_Malloc function, which could allow to access memory locations outside the bounds of a specified array, leading to unexpected behavior such segmentation fault when assigning a particular block of memory from the heap via malloc.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Nxp | Mcuxpresso Software Development Kit | < 2.8.2 |
Related Weaknesses (CWE)
References
- https://mcuxpresso.nxp.com/en/welcomeProductVendor Advisory
- https://www.cisa.gov/uscert/ics/advisories/icsa-21-119-04Third Party AdvisoryUS Government Resource
- https://mcuxpresso.nxp.com/en/welcomeProductVendor Advisory
- https://www.cisa.gov/uscert/ics/advisories/icsa-21-119-04Third Party AdvisoryUS Government Resource
FAQ
What is CVE-2021-27421?
CVE-2021-27421 is a vulnerability with a CVSS score of 7.3 (HIGH). NXP MCUXpresso SDK versions prior to 2.8.2 are vulnerable to integer overflow in SDK_Malloc function, which could allow to access memory locations outside the bounds of a specified array, leading to u...
How severe is CVE-2021-27421?
CVE-2021-27421 has been rated HIGH with a CVSS base score of 7.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-27421?
Check the references section above for vendor advisories and patch information. Affected products include: Nxp Mcuxpresso Software Development Kit.