CVE-2021-4192
Use After Free in vim/vim
02 Description
Use After Free in vim/vim
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 1.84% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 78.9% of scored records. A rank, not a probability.
- NVD base score
- 7.8 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- Moderate. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2021-12-31 00:00Z4 YR AGO
- Last updated
- 2024-08-03 17:16Z2 YR AGO
- Reserved
- 2021-12-30
- Assigning CNA
- @huntrdev
- Record state
- PUBLISHED
- Severity
- Medium (CVSS 5.5)
- CNA CVSS vector
- CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
- Weaknesses
- CWE-416Use After FreeVariant
- Data version
- 5.1
- Document digest
- 6327955a036d3086940f88746a763f496bd476838ba51669a947139600a767dc
05 Affected products
06 References
- huntr.devhttps://huntr.dev/bounties/6dd9cb2e-a940-4093-856e-59b502429f22
- github.comhttps://github.com/vim/vim/commit/4c13e5e6763c6eb36a343a2b8235ea227202e952
- www.openwall.com[oss-security] 20220114 Re: 3 new CVE's in vimhttp://www.openwall.com/lists/oss-security/2022/01/15/1
- lists.fedoraproject.orgFEDORA-2022-48b86d586fhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3FH2J57GDA2WMBS6J56F6QQRA6BXQQFZ/
- lists.debian.org[debian-lts-announce] 20220311 [SECURITY] [DLA 2947-1] vim security updatehttps://lists.debian.org/debian-lts-announce/2022/03/msg00018.html
- support.apple.comhttps://support.apple.com/kb/HT213183
- seclists.org20220314 APPLE-SA-2022-03-14-4 macOS Monterey 12.3http://seclists.org/fulldisclosure/2022/Mar/29
- support.apple.comhttps://support.apple.com/kb/HT213256
- seclists.org20220516 APPLE-SA-2022-05-16-3 macOS Big Sur 11.6.6http://seclists.org/fulldisclosure/2022/May/35
- support.apple.comhttps://support.apple.com/kb/HT213343
- seclists.org20220721 APPLE-SA-2022-07-20-4 Security Update 2022-005 Catalinahttp://seclists.org/fulldisclosure/2022/Jul/14
- security.gentoo.orgGLSA-202208-32https://security.gentoo.org/glsa/202208-32
- lists.debian.org[debian-lts-announce] 20221108 [SECURITY] [DLA 3182-1] vim security updatehttps://lists.debian.org/debian-lts-announce/2022/11/msg00009.html
07 Fixed in
AlmaLinux 8
- vim-X11 Fixed in 2:8.0.1763-16.el8_5.13
- vim-common Fixed in 2:8.0.1763-16.el8_5.13
- vim-enhanced Fixed in 2:8.0.1763-16.el8_5.13
- vim-filesystem Fixed in 2:8.0.1763-16.el8_5.13
- vim-minimal Fixed in 2:8.0.1763-16.el8_5.13
Source: AlmaLinux, AlmaLinux OS. Copyright (c) 2023 AlmaLinux OS. Licensed under MIT License. Received through OSV.dev. Reformatted by exploit.cc.
Arch Linux
- gvim Fixed in 8.2.4151-1
- vim Fixed in 8.2.4151-1
Source: Arch Linux Security Tracker, the Arch Linux security team. Reformatted by exploit.cc.
CloudLinux 8
- vim-X11 Fixed in 2:8.0.1763-16.el8_5.13
- vim-common Fixed in 2:8.0.1763-16.el8_5.13
- vim-enhanced Fixed in 2:8.0.1763-16.el8_5.13
- vim-filesystem Fixed in 2:8.0.1763-16.el8_5.13
- vim-minimal Fixed in 2:8.0.1763-16.el8_5.13
Derived from AlmaLinux 8. Partial coverage: only packages taken from AlmaLinux 8 are listed.
Source: CloudLinux errata, CloudLinux Inc. Derived from: AlmaLinux, AlmaLinux OS. Copyright (c) 2023 AlmaLinux OS. Licensed under MIT License. Received through OSV.dev. Reformatted by exploit.cc.
Debian 12
- vim Fixed in 2:8.2.3995-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- vim Fixed in 2:8.2.3995-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- vim Fixed in 2:8.2.3995-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 18.04 LTS
- vim Fixed in 2:8.0.1453-1ubuntu1.13
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 20.04 LTS
- vim Fixed in 2:8.1.2269-1ubuntu5.14
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu Pro 14.04 LTS
- vim Fixed in 2:7.4.052-1ubuntu3.1+esm9Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu Pro 16.04 LTS
- vim Fixed in 2:7.4.1689-3ubuntu1.5+esm4Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.