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CVE Vulnerability Details :
CVE-2026-28421
PUBLISHED
More InfoOfficial Page
Assigner-GitHub_M
Assigner Org ID-a0819718-46f1-4df5-94e2-005712e83aaa
View Known Exploited Vulnerability (KEV) details
Published At-27 Feb, 2026 | 22:06
Updated At-28 Feb, 2026 | 00:15
Rejected At-
▼CVE Numbering Authority (CNA)
Vim has a heap-buffer-overflow and a segmentation fault

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.

Affected Products
Vendor
Vimvim
Product
vim
Versions
Affected
  • < 9.2.0077
Problem Types
TypeCWE IDDescription
CWECWE-20CWE-20: Improper Input Validation
CWECWE-122CWE-122: Heap-based Buffer Overflow
Type: CWE
CWE ID: CWE-20
Description: CWE-20: Improper Input Validation
Type: CWE
CWE ID: CWE-122
Description: CWE-122: Heap-based Buffer Overflow
Metrics
VersionBase scoreBase severityVector
3.15.3MEDIUM
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
Version: 3.1
Base score: 5.3
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://github.com/vim/vim/security/advisories/GHSA-r2gw-2x48-jj5p
x_refsource_CONFIRM
https://github.com/vim/vim/commit/65c1a143c331c886dc28
x_refsource_MISC
https://github.com/vim/vim/releases/tag/v9.2.0077
x_refsource_MISC
Hyperlink: https://github.com/vim/vim/security/advisories/GHSA-r2gw-2x48-jj5p
Resource:
x_refsource_CONFIRM
Hyperlink: https://github.com/vim/vim/commit/65c1a143c331c886dc28
Resource:
x_refsource_MISC
Hyperlink: https://github.com/vim/vim/releases/tag/v9.2.0077
Resource:
x_refsource_MISC
▼Authorized Data Publishers (ADP)
CVE Program Container
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
http://www.openwall.com/lists/oss-security/2026/02/27/10
N/A
Hyperlink: http://www.openwall.com/lists/oss-security/2026/02/27/10
Resource: N/A
Details not found