Ubuntu 7582-2 Samba Fix: Critical Regression and DoS Resolved

A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 18.04 LTS - Ubuntu 16.04 LTS - Ubuntu 14.04 LTS Summary: USN-7582-1 introduced a regression in Samba. Software Description: - samba: SMB/CIFS file, print, and login server for Unix Details: USN-7582-1 fixed vulnerabilities in Samba. The update introduced a regression. This update fixes the problem. We apologize for the inconvenience. Original advisory details: Evgeny Legerov discovered that Samba incorrectly handled buffers in certain GSSAPI routines of Heimdal. A remote attacker could possibly use this issue to cause Samba to crash, resulting in a denial of service. (CVE-2022-3437) Greg Hudson discovered that Samba incorrectly handled PAC parsing. On 32-bit systems, a remote attacker could use this issue to escalate privileges, or possibly execute arbitrary code. (CVE-2022-42898) Joseph Sutton discovered that Samba could be forced to issue rc4-hmac ...