Vim up to 9.2.0842 src/popupwin.c popup_mark_opacity_zindex out-of-bounds

CVSS Meta Temp Score
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CTI Interest Score
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4.6$0-$5k0.00

Summaryinfo

A vulnerability identified as problematic has been detected in Vim up to 9.2.0842. This affects the function popup_mark_opacity_zindex of the file src/popupwin.c. The manipulation leads to out-of-bounds. This vulnerability is uniquely identified as CVE-2026-73075. Local access is required to approach this attack. No exploit exists. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Vim up to 9.2.0842. It has been rated as problematic. This issue affects the function popup_mark_opacity_zindex of the file src/popupwin.c. The manipulation with an unknown input leads to a out-of-bounds vulnerability. Using CWE to declare the problem leads to CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Vim is an open source, command line text editor. From 9.2.0469 until 9.2.0843, popup_mark_opacity_zindex() in src/popupwin.c can use a negative w_winrow for a text-property-anchored popup with clipwindow and opacity, indexing before the screen array instead of accounting for w_popup_topoff and causing an out-of-bounds read and conditional write. This issue is fixed in version 9.2.0843.

It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2026-73075 since 08/10/2026. The exploitation is known to be easy. Attacking locally is a requirement. It demands that the victim is doing some kind of user interaction. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability scanner Nessus provides a plugin with the ID 341579 (openSUSE 16 Security Update : vim (openSUSE-SU-2026:21671-1)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 9.2.0843 eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (341579) and CERT Bund (WID-SEC-2026-2513). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Affected

  • Amazon Linux 2
  • Red Hat Enterprise Linux
  • SUSE Linux
  • SUSE openSUSE
  • Open Source vim

Productinfo

Type

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 4.8
VulDB Meta Temp Score: 4.6

VulDB Base Score: 4.8
VulDB Temp Score: 4.6
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Out-of-bounds
CWE: CWE-125 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: Partially

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Nessus ID: 341579
Nessus Name: openSUSE 16 Security Update : vim (openSUSE-SU-2026:21671-1)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Vim 9.2.0843

Timelineinfo

08/10/2026 CVE reserved
08/11/2026 +1 days Advisory disclosed
08/11/2026 +0 days VulDB entry created
09/12/2026 +32 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: github.com
Status: Confirmed

CVE: CVE-2026-73075 (🔒)
GCVE (CVE): GCVE-0-2026-73075
GCVE (VulDB): GCVE-100-388187
CERT Bund: WID-SEC-2026-2513 - vim: Mehrere Schwachstellen

Entryinfo

Created: 08/11/2026 17:52
Updated: 09/12/2026 05:36
Changes: 08/11/2026 17:52 (56), 08/30/2026 16:40 (2), 09/10/2026 14:56 (7), 09/12/2026 05:36 (12)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Discussion

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