CyberRota Analysis
This is a critical severity vulnerability with a CVSS score of 9.1. See the original NVD description below for full technical details.
CVE
CVE-2021-22945
Severity
CRITICAL
CVSS
9.1
EPSS
6.68%
Original NVD Description
When sending data to an MQTT server, libcurl <= 7.73.0 and 7.78.0 could in some circumstances erroneously keep a pointer to an already freed memory area and both use that again in a subsequent call to send data and also free it *again*.
Related CVEs
Other vulnerabilities affecting the same vendor(s)