USN-5354-1 fixed vulnerabilities in Twisted. This update provides the corresponding updates for Ubuntu 14.04 ESM, Ubuntu 16.04 ESM and Ubuntu 22.04 LTS.
Original advisory details:
It was discovered that Twisted incorrectly processed SSH handshake data on connection establishments. A remote attacker could use this issue to cause Twisted to crash, resulting in a denial of service. (CVE-2022-21716)
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