CVE-2026-28421

MEDIUM
2026-02-27 [email protected]
5.3
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
Low

Lifecycle Timeline

4
Analysis Generated
Mar 12, 2026 - 21:55 vuln.today
PoC Detected
Mar 04, 2026 - 20:47 vuln.today
Public exploit code
Patch Released
Mar 04, 2026 - 20:47 nvd
Patch available
CVE Published
Feb 27, 2026 - 22:16 nvd
MEDIUM 5.3

Tags

Code Injection Vim Redhat Suse

Description

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.

Analysis

Vim versions before 9.2.0077 contain heap buffer overflow and segmentation fault vulnerabilities in swap file recovery that can be triggered by opening a specially crafted swap file, affecting users who recover sessions from untrusted sources. An attacker could exploit this to cause application crashes or potentially achieve code execution through memory corruption. …

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Remediation

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Vendor patch is available.

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Priority Score

27
Low Medium High Critical
KEV: 0
EPSS: +0.0
CVSS: +26
POC: +20

Vendor Status

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CVE-2026-28421 vulnerability details – vuln.today
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