CVE-2021-4136

NameCVE-2021-4136
Descriptionvim is vulnerable to Heap-based Buffer Overflow
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)
Debian Bugs1002534

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)2:8.2.3995-1unimportant1002534

Notes

[buster] - vim <not-affected> (Vulnerable code introduced later)
[stretch] - vim <not-affected> (Vulnerable code introduced later)
https://huntr.dev/bounties/5c6b93c1-2d27-4e98-a931-147877b8c938
Introduced by: https://github.com/vim/vim/commit/2949cfdbe4335b9abcfeda1be4dfc52090ee1df6 (v8.2.2257)
Fixed by: https://github.com/vim/vim/commit/605ec91e5a7330d61be313637e495fa02a6dc264 (v8.2.3847)
Crash in CLI tool, no security impact

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