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*.
problem types: Double Free (CWE-415)
affected:
{
vendor: n/a
product: https://github.com/curl/curl
versions:
version: curl 7.73.0 to and including 7.78.0, status: affected
}