CVE-2021-4173

NameCVE-2021-4173
Descriptionvim is vulnerable to Use After Free
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+deb10u2fixed
buster (security)2:8.1.0875-5+deb10u4fixed
bullseye2:8.2.2434-3+deb11u1vulnerable
bookworm, sid2:9.0.0813-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
vimsourcestretch(not affected)
vimsourcebuster(not affected)
vimsource(unstable)2:8.2.3995-1

Notes

[bullseye] - vim <no-dsa> (Minor issue)
[buster] - vim <not-affected> (Vulnerable code introduced later)
[stretch] - vim <not-affected> (Vulnerable code introduced later)
https://huntr.dev/bounties/a1b236b9-89fb-4ccf-9689-ba11b471e766
Introduced after: https://github.com/vim/vim/commit/04b12697838b232b8b17c553ccc74cf1f1bdb81c (v8.2.0695)
Fixed by: https://github.com/vim/vim/commit/9c23f9bb5fe435b28245ba8ac65aa0ca6b902c04 (v8.2.3902)

Search for package or bug name: Reporting problems