vim up to 9.2.0074 Emacs-Style Tags File Parser buffer underflow

CVSS Meta Temp Score
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CTI Interest Score
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6.0$0-$5k0.00

Summaryinfo

A vulnerability described as critical has been identified in vim up to 9.2.0074. Affected is an unknown function of the component Emacs-Style Tags File Parser. Such manipulation leads to buffer underflow. This vulnerability is listed as CVE-2026-28419. The attack may be performed from remote. There is no available exploit. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability, which was classified as critical, has been found in vim up to 9.2.0074. Affected by this issue is an unknown code block of the component Emacs-Style Tags File Parser. The manipulation with an unknown input leads to a buffer underflow vulnerability. Using CWE to declare the problem leads to CWE-124. The product writes to a buffer using an index or pointer that references a memory location prior to the beginning of the buffer. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Vim is an open source, command line text editor. Prior to version 9.2.0075, a heap-based buffer underflow exists in Vim's Emacs-style tags file parsing logic. When processing a malformed tags file where a delimiter appears at the start of a line, Vim attempts to read memory immediately preceding the allocated buffer. Version 9.2.0075 fixes the issue.

The advisory is shared for download at github.com. This vulnerability is handled as CVE-2026-28419 since 02/27/2026. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 300505 (Linux Distros Unpatched Vulnerability : CVE-2026-28419), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 9.2.0075 eliminates this vulnerability. The upgrade is hosted for download at github.com. Applying a patch is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the databases at Tenable (300505), EUVD (EUVD-2026-9087) and CERT Bund (WID-SEC-2026-0556). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Affected

  • Red Hat Enterprise Linux
  • Fedora Linux
  • Ubuntu Linux
  • SUSE Linux
  • Oracle Linux
  • SUSE openSUSE
  • RESF Rocky Linux
  • Open Source vim
  • Red Hat OpenShift

Productinfo

Type

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.1
VulDB Meta Temp Score: 6.0

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 6.6
NVD Vector: 🔒

CNA Base Score: 5.3
CNA Vector (GitHub_M): 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Buffer underflow
CWE: CWE-124 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Nessus ID: 300505
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2026-28419

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: vim 9.2.0075
Patch: github.com

Timelineinfo

02/27/2026 CVE reserved
02/28/2026 +1 days Advisory disclosed
02/28/2026 +0 days VulDB entry created
04/16/2026 +47 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: GHSA-xcc8-r6c5-hvwv
Status: Confirmed

CVE: CVE-2026-28419 (🔒)
GCVE (CVE): GCVE-0-2026-28419
GCVE (VulDB): GCVE-100-348248
EUVD: 🔒
CERT Bund: WID-SEC-2026-0556 - vim: Mehrere Schwachstellen

Entryinfo

Created: 02/28/2026 03:00
Updated: 04/16/2026 17:56
Changes: 02/28/2026 03:00 (66), 02/28/2026 14:01 (1), 03/02/2026 11:38 (7), 03/03/2026 22:23 (1), 03/04/2026 22:53 (11), 03/05/2026 13:02 (2), 03/08/2026 17:22 (1), 03/19/2026 00:33 (1), 04/16/2026 17:56 (1)
Complete: 🔍
Cache ID: 216::103

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