USN-6026-1: Vim vulnerabilities

It was discovered that Vim was incorrectly processing Vim buffers. An
attacker could possibly use this issue to perform illegal memory access and
expose sensitive information. This issue only affected Ubuntu 20.04 LTS.
(CVE-2021-4166)

It was discovered that Vim was using freed memory when dealing with regular
expressions inside a visual selection. If a user were tricked into opening a
specially crafted file, an attacker could crash the application, leading to a
denial of service, or possibly achieve code execution …

access application code code execution crash cve denial of service information issue lts memory privileges regular expressions sensitive information service ubuntu usn vim vulnerabilities