ZDI-CAN-25976: ZDI-25-714: (0Day) Ashlar-Vellum Cobalt AR File Parsing Out-Of-Bounds Read 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 read past the end of an allocated data structure. An attacker can leverage this vulnerability to execute code in the context of the current process.
Other sources
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 ZDI has assigned a CVSS rating of 7.8. The following CVEs are assigned: CVE-2025-7994.
— ZDI
Affected Software
Event History
Frequently Asked Questions
What is the severity of ZDI-CAN-25976?
ZDI-CAN-25976 has been assigned a high severity rating due to its potential for remote code execution.
How do I fix ZDI-CAN-25976?
To fix ZDI-CAN-25976, ensure you update Ashlar-Vellum Cobalt to the latest version provided by the vendor.
What type of attacks can ZDI-CAN-25976 facilitate?
ZDI-CAN-25976 can facilitate remote code execution attacks if a user interacts with a malicious page or file.
Is user interaction required to exploit ZDI-CAN-25976?
Yes, user interaction is required as the target must visit a malicious page or open a malicious file to exploit ZDI-CAN-25976.
Which software is affected by ZDI-CAN-25976?
The affected software for ZDI-CAN-25976 is Ashlar-Vellum Cobalt.