Disclosure summary
vim is vulnerable to Heap-based Buffer Overflow
Source-reported weakness categories
CWE-122, CWE-787
Source-specific records & product guidance
Sources retain their own attribution and scoring. Follow the original record to confirm affected versions, fixed releases, and configuration conditions.
NIST National Vulnerability Database · NVD-CVE-2021-3973
Open original source · Updated Oct 08, 2026
Only CPE matches marked vulnerable=true are indexed. AND/OR platform conditions must be checked in the original NVD record.
| Vendor | Product / association | Version / bounds |
|---|---|---|
| vim | vim | * {"versionEndExcluding":"8.2.3611"} |
| fedoraproject | fedora | 34 |
| fedoraproject | fedora | 35 |
| debian | debian_linux | 9.0 |
Original records & references
- NIST NVD record
- CVE Program record
- github.com — Patch, Third Party Advisory
- huntr.dev — Exploit, Issue Tracking, Patch, Third Party Advisory
- lists.debian.org — Mailing List, Third Party Advisory
- lists.fedoraproject.org
- lists.fedoraproject.org
- security.gentoo.org — Third Party Advisory
- github.com — Patch, Third Party Advisory
- huntr.dev — Exploit, Issue Tracking, Patch, Third Party Advisory
- lists.debian.org — Mailing List, Third Party Advisory
- lists.fedoraproject.org
- lists.fedoraproject.org
- security.gentoo.org — Third Party Advisory
PUBLISHED 2021-11-19T07:15:09-05:00
MODIFIED 2026-10-08T18:17:12-04:00
INGESTED 2026-10-10T20:50:21-04:00