CyberRota Analysis
This is a critical severity vulnerability with a CVSS score of 9.8. See the original NVD description below for full technical details.
CVE
CVE-2021-3420
Severity
CRITICAL
CVSS
9.8
EPSS
2.10%
Original NVD Description
A flaw was found in newlib in versions prior to 4.0.0. Improper overflow validation in the memory allocation functions mEMALIGn, pvALLOc, nano_memalign, nano_valloc, nano_pvalloc could case an integer overflow, leading to an allocation of a small buffer and then to a heap-based buffer overflow.
Related CVEs
Other vulnerabilities affecting the same vendor(s)