A Pointer Dereference vulnerability exists in Vim 8.2.3883 via the vim_regexec_multi function at regexp.c, which causes a denial of service.
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-46059
huntr.dev/bounties/a9b015e2-59e3-4ed9-8812-d9021e40b8f2/
launchpad.net/bugs/cve/CVE-2021-46059
nvd.nist.gov/vuln/detail/CVE-2021-46059
security-tracker.debian.org/tracker/CVE-2021-46059