CVE-2022-1620

NameCVE-2022-1620
DescriptionNULL Pointer Dereference in function vim_regexec_string at regexp.c:2729 in GitHub repository vim/vim prior to 8.2.4901. NULL Pointer Dereference in function vim_regexec_string at regexp.c:2729 allows attackers to cause a denial of service (application crash) via a crafted input.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
vim (PTS)buster2:8.1.0875-5+deb10u2vulnerable
bullseye2:8.2.2434-3+deb11u1vulnerable
bookworm, sid2:9.0.0242-1fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
vimsource(unstable)2:9.0.0135-1unimportant

Notes

https://huntr.dev/bounties/7a4c59f3-fcc0-4496-995d-5ca6acd2da51
https://github.com/vim/vim/commit/8e4b76da1d7e987d43ca960dfbc372d1c617466f (v8.2.4901)
Crash in CLI tool, no security impact

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