Debian Linux Security Advisory 4761-1 - It was discovered that ZeroMQ, a lightweight messaging kernel library does not properly handle connecting peers before a handshake is completed. A remote, unauthenticated client connecting to an application using the libzmq library, running with a socket listening with CURVE encryption/authentication enabled can take advantage of this flaw to cause a denial of service affecting authenticated and encrypted clients.
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Gentoo Linux Security Advisory 202009-12 - A vulnerability in ZeroMQ could lead to a Denial of Service condition. Versions less than 4.3.3 are affected.
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