CVE-2026-28421
HIGH WAF: Medium
CVSS 7.8
Published: 2026-02-27
CWE-20
Vim is an open source, command line text editor. Versions prior to 9.2.0077 have a heap-buffer-overflow and a segmentation fault (SEGV) exist in Vim's swap file recovery logic. Both are caused by unvalidated fields read from crafted pointer blocks within a swap file. Version 9.2.0077 fixes the issue.
WAF Coverage Analysis
Improper Input Validation
Medium WAF Coverage
OWASP: A03:2021 Injection
920xxx - Protocol Enforcement 941xxx - XSS / XXE 942xxx - SQL Injection
Affected Software
| Vendor | Product | Version |
|---|---|---|
| vim | vim | up to 9.2.0077 |
References
- github.com (Patch)
- github.com (Product)
- github.com (Patch, Vendor Advisory)
- www.openwall.com (Mailing List, Patch, Third Party Advisory)