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Vulnerability Details :

CVE-2026-28421

Summary
Assigner-GitHub_M
Assigner Org ID-a0819718-46f1-4df5-94e2-005712e83aaa
Published At-27 Feb, 2026 | 22:06
Updated At-28 Feb, 2026 | 00:15
Rejected At-
Credits

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.

Vendors
-
Not available
Products
-
Metrics (CVSS)
VersionBase scoreBase severityVector
Weaknesses
Attack Patterns
Solution/Workaround
References
HyperlinkResource Type
EPSS History
Score
Latest Score
-
N/A
No data available for selected date range
Percentile
Latest Percentile
-
N/A
No data available for selected date range
Stakeholder-Specific Vulnerability Categorization (SSVC)
â–¼Common Vulnerabilities and Exposures (CVE)
cve.org
Assigner:GitHub_M
Assigner Org ID:a0819718-46f1-4df5-94e2-005712e83aaa
Published At:27 Feb, 2026 | 22:06
Updated At:28 Feb, 2026 | 00:15
Rejected At:
â–¼CVE 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
â–¼Authorized 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
Information is not available yet
â–¼National Vulnerability Database (NVD)
nvd.nist.gov
Source:security-advisories@github.com
Published At:27 Feb, 2026 | 22:16
Updated At:28 Feb, 2026 | 01:16

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.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Secondary3.15.3MEDIUM
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
Type: Secondary
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
CPE Matches

Weaknesses
CWE IDTypeSource
CWE-20Secondarysecurity-advisories@github.com
CWE-122Secondarysecurity-advisories@github.com
CWE ID: CWE-20
Type: Secondary
Source: security-advisories@github.com
CWE ID: CWE-122
Type: Secondary
Source: security-advisories@github.com
Evaluator Description

Evaluator Impact

Evaluator Solution

Vendor Statements

References
HyperlinkSourceResource
https://github.com/vim/vim/commit/65c1a143c331c886dc28security-advisories@github.com
N/A
https://github.com/vim/vim/releases/tag/v9.2.0077security-advisories@github.com
N/A
https://github.com/vim/vim/security/advisories/GHSA-r2gw-2x48-jj5psecurity-advisories@github.com
N/A
http://www.openwall.com/lists/oss-security/2026/02/27/10af854a3a-2127-422b-91ae-364da2661108
N/A
Hyperlink: https://github.com/vim/vim/commit/65c1a143c331c886dc28
Source: security-advisories@github.com
Resource: N/A
Hyperlink: https://github.com/vim/vim/releases/tag/v9.2.0077
Source: security-advisories@github.com
Resource: N/A
Hyperlink: https://github.com/vim/vim/security/advisories/GHSA-r2gw-2x48-jj5p
Source: security-advisories@github.com
Resource: N/A
Hyperlink: http://www.openwall.com/lists/oss-security/2026/02/27/10
Source: af854a3a-2127-422b-91ae-364da2661108
Resource: N/A

Change History

0
Information is not available yet

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Action-Not Available
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CWE ID-CWE-20
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Matching Score-4
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Vulnerability of pop-up windows belonging to no app in the VPN module Impact: Successful exploitation of this vulnerability may affect service confidentiality.

Action-Not Available
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Product-harmonyosHarmonyOS
CWE ID-CWE-20
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CVE-2023-32643
Matching Score-4
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CVSS Score-5.3||MEDIUM
EPSS-0.04% / 13.36%
||
7 Day CHG~0.00%
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Updated-13 Feb, 2025 | 16:54
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

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CWE ID-CWE-122
Heap-based Buffer Overflow
CWE ID-CWE-787
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