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High 7.3Published Nov 19, 2021
CVE-2021-3973Heap-based Buffer Overflow in vim/vim
Updated under an hour ago ()
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It affects vim/vim and 2 other products. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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vim is vulnerable to Heap-based Buffer Overflow
- CVSS
- 7.3 HIGH (v3.0, CNA)CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:H/A:H
- Weakness (CWE)
- CWE-122
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- @huntrdev
- NVD analysis
- Modified
- Record last updated
- Oct 8, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
vim vim/vim vim:vim (from the name) | from unspecified before 8.2.3611 | CNA record |
vim vim vim:vim | before 8.2.3611 | NVD |
fedoraproject fedora fedoraproject:fedora | 34; 35 | NVD |
debian debian_linux debian:debian_linux | 9.0 | NVD |
References
- https://huntr.dev/bounties/ce6e8609-77c6-4e17-b9fc-a2e5abed052ex-refsource-confirm
- https://github.com/vim/vim/commit/615ddd5342b50a6878a907062aa471740bd9a847x-refsource-misc
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IH2LS2DXBTYOCWGAKFMBF3HTWWXPBEFL/vendor-advisory, x-refsource-fedora
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FNXY7T5OORA7UJIMGSJBGHFMU6UZWS6P/vendor-advisory, x-refsource-fedora
- http://www.openwall.com/lists/oss-security/2022/01/15/1mailing-list, x-refsource-mlist
- https://lists.debian.org/debian-lts-announce/2022/03/msg00018.htmlmailing-list, x-refsource-mlist
- https://security.gentoo.org/glsa/202208-32vendor-advisory, x-refsource-gentoo
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.