CVE-2018-25322

Description

Allok Fast AVI MPEG Splitter 1.2 contains a stack based buffer overflow vulnerability that allows local attackers to execute arbitrary code by supplying a malicious license name string. Attackers can craft a payload with 780 bytes of junk data followed by structured shellcode and place it in the License Name field to trigger the overflow and execute code with application privileges.

Overview

State

—

Assigner (CNA)

—

CVSS severity

high

CVSS score

8.4 / 10

CVSS vector

AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Effective score

8.4 / 10 HIGH source: CNA overview

CWE(s)

—

Reserved

—

Published

—

Last updated

—

Source

https://www.tenable.com/cve/CVE-2018-25322

Linked Threat

CVE-2018-25322 — CVE-2018-25322

NVD triage scoring NVD CVE 2.0

Layer NVD adds on top of the CNA's CVE record — published / last-modified timestamps, exploitability / impact subscores, and the FIRST.org EPSS probability that this CVE will be exploited in the wild in the next 30 days.

NVD published

2026-05-17 13:16:43 UTC

NVD last modified

2026-05-18 17:29:53 UTC

NVD CVSS v3.1

8.4 / 10 HIGH source: disclosure@vulncheck.com

NVD CVSS vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploitability subscore

2.5 / 10

Impact subscore

5.9 / 10

EPSS score

0.0002 (probability of exploitation in next 30 days)

EPSS percentile

4.80% vs all CVEs — higher = more likely to be exploited, as of 2026-05-24

NVD-assigned CWE(s): CWE-121 (differs from the CNA list above)

European Union Vulnerability Database ENISA EUVD

ENISA's official EU repository for curated vulnerability intelligence. Carries a separate identifier (EUVD-YYYY-NNNN) and frequently exposes an earlier-published description + CVSS than NVD does.

EUVD ID

EUVD-2018-21843

Assigner

VulnCheck

Published

May 17, 2026, 12:11:28 PM

Updated

May 18, 2026, 12:31:55 PM

EUVD base score (CVSS 4.0)

8.6 / 10
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

EUVD-reported EPSS

0.0200

Vendors

Alloksoft

Products

Fast AVI MPEG Splitter (1.2)

Aliases

GHSA-4jxc-fp5r-3g28

ENISA description: Allok Fast AVI MPEG Splitter 1.2 contains a stack based buffer overflow vulnerability that allows local attackers to execute arbitrary code by supplying a malicious license name string. Attackers can craft a payload with 780 bytes of junk data followed by structured shellcode and place it in the License Name field to trigger the overflow and execute code with application privileges.

Vendor references (0)

References embedded in the original CVE record by the assigning CNA.

None in the CVE record.

Web references (7)

DuckDuckGo results ranked by threat-intel / vendor advisory domains. Generated by the 🔎 Find references (web) button above — same flow as the Remediations search.

• https://nvd.nist.gov/vuln/detail/CVE-2018-25322 tenable:nvd.nist.gov
• https://www.cve.org/CVERecord?id=CVE-2018-25322 tenable:www.cve.org
• https://www.exploit-db.com/exploits/44341 tenable:www.exploit-db.com
• https://www.first.org/epss/ tenable:www.first.org
• https://www.vulncheck.com/advisories/allok-fast-avi-mpeg-splitter-stack-based-buffer-overflow tenable:www.vulncheck.com
• http://www.alloksoft.com tenable:www.alloksoft.com
• http://www.alloksoft.com/allok_vconverter.exe tenable:www.alloksoft.com

Remediations are stored against the linked Threat row; the list below is deduplicated across both pages.

• N-central third-party software patch list
  web:documentation.n-able.com

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  2026-05-26 02:56 UTC
• CVE-2018-25322 - Exploits & Severity - Feedly
  web:feedly.com

  A vulnerability categorized as critical has been discovered in Alloksoft Fast AVI MPEG Splitter 1.2 . This impacts an unknown function of the component License Handler . The manipulation results in stack-based buffer overflow. This vulnerability was named CVE-2018-25322 . The attack needs to be approached locally. In addition, an exploit is available.

  2026-05-26 02:56 UTC
• PDF Guide to Enterprise Patch Management Planning: - NIST
  web:nvlpubs.nist.gov

  The third version, SP 800-40, Revision 3, Guide to Enterprise Patch Management Technologies (2013), was written under the assumption that readers already understood the basics of patch management and that what they most needed help with was implementing, configuring, securing, and using enterprise patch management technologies.

  2026-05-26 02:56 UTC
• The Most Recent Updates for Microsoft SQL Server - SQLServerUpdates.com
  web:sqlserverupdates.com

  What are the most recent updates for SQL Server? Here are the most recent service packs and cumulative updates for SQL Server, and here's how to patch your server: Version Latest Update Build Number Support Ends Other Updates SSMS 22 Download Most Recent SSMS 17 w/Debugger SQL Server 2025 Download RTM then CU5 17.0.4045.5 2036/01/06...

  2026-05-26 02:56 UTC
• ArcGIS Server Security 2025 Update 2 Patch - Esri Support
  web:support.esri.com

  BUG-000153493 - Installing ArcGIS Server Security 2022 Update 1 Patch or Update 2 Patch on ArcGIS Server 10.8.1 affects the access to existing Workflow Manager (Classic) feature services. BUG-000153438 - ArcGIS Server services folders become inaccessible in the REST endpoint if it has a dot (.) in the name and the Security patches are installed.

  2026-05-26 02:56 UTC
• KB5083252 - Description of the security update for SQL Server 2022 CU24 ...
  web:support.microsoft.com

  Summary Improvements and fixes included in this update How to obtain and install the update How to obtain or download the latest cumulative update package for Linux More information File information Information about protection and security Summary This security update contains fixes and resolves vulnerabilities. To learn more about the vulnerabilities, see the following security advisories ...

  2026-05-26 02:56 UTC
• Microsoft March 2025 Patch Tuesday fixes 7 zero-days, 57 flaws
  web:www.bleepingcomputer.com

  Today is Microsoft's March 2025 Patch Tuesday, which includes security updates for 57 flaws, including six actively exploited zero-day vulnerabilities.

  2026-05-26 02:56 UTC
• CVE: Common Vulnerabilities and Exposures
  web:www.cve.org

  At cve .org, we provide the authoritative reference method for publicly known information-security vulnerabilities and exposures

  2026-05-26 02:56 UTC
• Oracle Critical Patch Update Advisory - October 2025
  web:www.oracle.com

  Oracle Critical Patch Update Advisory - October 2025 Description A Critical Patch Update is a collection of patches for multiple security vulnerabilities. These patches address vulnerabilities in Oracle code and in third party components included in Oracle products. These patches are usually cumulative, but each advisory describes only the security patches added since the previous Critical ...

  2026-05-26 02:56 UTC
• Microsoft fixes 167 security flaws in April, second biggest Patch ...
  web:www.pcworld.com

  This month's Patch Tuesday includes an actively exploited Office zero-day vulnerability and several critical RCE bugs in Windows and Remote Desktop.

  2026-05-26 02:56 UTC

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