| Name | CVE-2021-3796 |
| Description | vim is vulnerable to Use After Free |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DLA-2876-1 |
| Debian Bugs | 994497 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| vim (PTS) | buster | 2:8.1.0875-5+deb10u2 | fixed |
| buster (security) | 2:8.1.0875-5+deb10u6 | fixed |
| bullseye | 2:8.2.2434-3+deb11u1 | fixed |
| bookworm | 2:9.0.1378-2 | fixed |
| trixie | 2:9.1.0016-1 | fixed |
| sid | 2:9.1.0199-1 | 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+deb9u4 | | DLA-2876-1 | |
| vim | source | buster | 2:8.1.0875-5+deb10u1 | | | |
| vim | source | bullseye | 2:8.2.2434-3+deb11u1 | | | |
| vim | source | (unstable) | 2:8.2.3455-1 | | | 994497 |
Notes
https://huntr.dev/bounties/ab60b7f3-6fb1-4ac2-a4fa-4d592e08008d/
https://github.com/vim/vim/commit/35a9a00afcb20897d462a766793ff45534810dc3 (v8.2.3428)
https://www.openwall.com/lists/oss-security/2021/10/01/1