CVE-2021-3903

NameCVE-2021-3903
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 code/issues, web search, more)
NVD severitymedium

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
vim (PTS)stretch (security), stretch2:8.0.0197-4+deb9u3vulnerable
buster2:8.1.0875-5vulnerable
bullseye2:8.2.2434-3vulnerable
bookworm, sid2:8.2.3565-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
vimsource(unstable)2:8.2.3565-1

Notes

[stretch] - vim <no-dsa> (Minor issue)
https://huntr.dev/bounties/35738a4f-55ce-446c-b836-2fb0b39625f8
https://github.com/vim/vim/commit/777e7c21b7627be80961848ac560cb0a9978ff43
PoC crashes starting with https://github.com/vim/vim/commit/8a7d6542b33e5d2b352262305c3bfdb2d14e1cf8 (v8.2.0149)

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