cve/2021/CVE-2021-22945.md

CVE-2021-22945

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.

POC

Reference

• https://www.oracle.com/security-alerts/cpuoct2021.html

Github

• https://github.com/ARPSyndicate/cvemon
• https://github.com/blairdrummond/terragrunt-experiment-demo-app
• https://github.com/devopstales/trivy-operator
• https://github.com/emilkje/trivy-operator-lab
• https://github.com/gatecheckdev/gatecheck
• https://github.com/kenlavbah/log4jnotes