CVE-2025-7996: (0Day) Ashlar-Vellum Cobalt AR File Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability

Published Sep 17, 2025
·
Updated

Ashlar-Vellum Cobalt AR File Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Ashlar-Vellum Cobalt. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.

The specific flaw exists within the parsing of AR files. The issue results from the lack of proper validation of user-supplied data, which can result in a write past the end of an allocated data structure. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-25982.

Affected Software

3 affected components
Ashlar-Vellum Cobalt
Ashlar-Vellum Cobalt
Ashlar Cobalt

Event History

Sep 17, 2025
CVE Published
via MITRE·08:53 PM
Data Sourced
via MITRE·08:53 PM
DescriptionSeverityWeakness
Advisory Published
via ZDI·09:02 PM
Data Sourced
via ZDI·09:02 PM
DescriptionSeverityAffected Software
Data Sourced
via NVD·09:15 PM
DescriptionSeverityWeaknessAffected Software

Frequently Asked Questions

1

What is the severity of CVE-2025-7996?

CVE-2025-7996 is classified as a critical vulnerability due to its potential for remote code execution.

2

How do I fix CVE-2025-7996?

To fix CVE-2025-7996, update to the latest version of Ashlar-Vellum Cobalt that contains the security patch.

3

What types of attacks can exploit CVE-2025-7996?

CVE-2025-7996 can be exploited through specially crafted AR files that lead to an out-of-bounds write.

4

Does CVE-2025-7996 require user interaction to exploit?

Yes, CVE-2025-7996 requires user interaction as the attacker needs to convince the victim to open a malicious AR file.

5

Which software is affected by CVE-2025-7996?

CVE-2025-7996 specifically affects installations of Ashlar-Vellum Cobalt.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203