| Name | CVE-2021-4193 | 
| Description | vim is vulnerable to Out-of-bounds Read | 
| Source | CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) | 
| References | DLA-2947-1, DLA-3182-1 | 
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status | 
|---|
| vim (PTS) | bullseye | 2:8.2.2434-3+deb11u1 | vulnerable | 
|  | bullseye (security) | 2:8.2.2434-3+deb11u3 | vulnerable | 
|  | bookworm | 2:9.0.1378-2+deb12u2 | fixed | 
|  | forky, trixie | 2:9.1.1230-2 | fixed | 
|  | sid | 2:9.1.1882-1 | fixed | 
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs | 
|---|
| vim | source | stretch | 2:8.0.0197-4+deb9u5 |  | DLA-2947-1 |  | 
| vim | source | buster | 2:8.1.0875-5+deb10u3 |  | DLA-3182-1 |  | 
| vim | source | (unstable) | 2:8.2.3995-1 | unimportant |  |  | 
Notes
https://huntr.dev/bounties/92c1940d-8154-473f-84ce-0de43b0c2eb0
Fixed by: https://github.com/vim/vim/commit/94f3192b03ed27474db80b4d3a409e107140738b (v8.2.3950)
Crash in CLI tool, no security impact