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CVE Vulnerability Details :
CVE-2026-28420
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 | 22:04
Updated At-28 Feb, 2026 | 00:15
Rejected At-
▼CVE Numbering Authority (CNA)
Vim has Heap-based Buffer Overflow and OOB Read in :terminal

Vim is an open source, command line text editor. Prior to version 9.2.0076, a heap-based buffer overflow WRITE and an out-of-bounds READ exist in Vim's terminal emulator when processing maximum combining characters from Unicode supplementary planes. Version 9.2.0076 fixes the issue.

Affected Products
Vendor
Vimvim
Product
vim
Versions
Affected
  • < 9.2.0076
Problem Types
TypeCWE IDDescription
CWECWE-122CWE-122: Heap-based Buffer Overflow
CWECWE-125CWE-125: Out-of-bounds Read
Type: CWE
CWE ID: CWE-122
Description: CWE-122: Heap-based Buffer Overflow
Type: CWE
CWE ID: CWE-125
Description: CWE-125: Out-of-bounds Read
Metrics
VersionBase scoreBase severityVector
3.14.4MEDIUM
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L
Version: 3.1
Base score: 4.4
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/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-rvj2-jrf9-2phg
x_refsource_CONFIRM
https://github.com/vim/vim/commit/bb6de2105b160e729c34063
x_refsource_MISC
https://github.com/vim/vim/releases/tag/v9.2.0076
x_refsource_MISC
Hyperlink: https://github.com/vim/vim/security/advisories/GHSA-rvj2-jrf9-2phg
Resource:
x_refsource_CONFIRM
Hyperlink: https://github.com/vim/vim/commit/bb6de2105b160e729c34063
Resource:
x_refsource_MISC
Hyperlink: https://github.com/vim/vim/releases/tag/v9.2.0076
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/2026/02/27/9
N/A
Hyperlink: http://www.openwall.com/lists/oss-security/2026/02/27/9
Resource: N/A
Details not found