Security Advisory
CVE-2021-22945
9.1
CRITICAL
Vulnerability 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*.
Published Date
September 23, 2021
Official Source
NIST NVD Advisory