CVE-2026-28418
Vim has Heap-based Buffer Overflow in Emacs tags parsing
Description
Vim is an open source, command line text editor. Prior to version 9.2.0074, a heap-based buffer overflow out-of-bounds read exists in Vim's Emacs-style tags file parsing logic. When processing a malformed tags file, Vim can be tricked into reading up to 7 bytes beyond the allocated memory boundary. Version 9.2.0074 fixes the issue.
INFO
Published Date :
Feb. 27, 2026, 10:16 p.m.
Last Modified :
March 3, 2026, 5:49 p.m.
Remotely Exploit :
No
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | MEDIUM | [email protected] | ||||
| CVSS 3.1 | MEDIUM | MITRE-CVE | ||||
| CVSS 3.1 | MEDIUM | [email protected] |
Solution
- Update Vim to version 9.2.0074 or later.
- Apply vendor patches if available.
- Recompile Vim with updated source code.
Public PoC/Exploit Available at Github
CVE-2026-28418 has a 1 public
PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-28418.
| URL | Resource |
|---|---|
| https://github.com/vim/vim/commit/f6a7f469a9c0d09e84cd6cb | Patch |
| https://github.com/vim/vim/releases/tag/v9.2.0074 | Release Notes |
| https://github.com/vim/vim/security/advisories/GHSA-h4mf-vg97-hj8j | Patch Vendor Advisory |
| http://www.openwall.com/lists/oss-security/2026/02/27/7 | Mailing List Patch Third Party Advisory |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-28418 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-28418
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Automated CVE tracking and security intelligence aggregation tool with exploit maturity tracking and breaking news monitoring
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Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-28418 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-28418 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
Mar. 03, 2026
Action Type Old Value New Value Added CVSS V3.1 AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Added CPE Configuration OR *cpe:2.3:a:vim:vim:*:*:*:*:*:*:*:* versions up to (excluding) 9.2.0074 Added Reference Type CVE: http://www.openwall.com/lists/oss-security/2026/02/27/7 Types: Mailing List, Patch, Third Party Advisory Added Reference Type GitHub, Inc.: https://github.com/vim/vim/commit/f6a7f469a9c0d09e84cd6cb Types: Patch Added Reference Type GitHub, Inc.: https://github.com/vim/vim/releases/tag/v9.2.0074 Types: Release Notes Added Reference Type GitHub, Inc.: https://github.com/vim/vim/security/advisories/GHSA-h4mf-vg97-hj8j Types: Patch, Vendor Advisory -
CVE Modified by af854a3a-2127-422b-91ae-364da2661108
Feb. 28, 2026
Action Type Old Value New Value Added Reference http://www.openwall.com/lists/oss-security/2026/02/27/7 -
New CVE Received by [email protected]
Feb. 27, 2026
Action Type Old Value New Value Added Description Vim is an open source, command line text editor. Prior to version 9.2.0074, a heap-based buffer overflow out-of-bounds read exists in Vim's Emacs-style tags file parsing logic. When processing a malformed tags file, Vim can be tricked into reading up to 7 bytes beyond the allocated memory boundary. Version 9.2.0074 fixes the issue. Added CVSS V3.1 AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N Added CWE CWE-125 Added CWE CWE-122 Added Reference https://github.com/vim/vim/commit/f6a7f469a9c0d09e84cd6cb Added Reference https://github.com/vim/vim/releases/tag/v9.2.0074 Added Reference https://github.com/vim/vim/security/advisories/GHSA-h4mf-vg97-hj8j