The specific flaw exists within the parsing of VS files. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a heap-based buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-28173.
No analysis available yet.
No remediation available yet.
Tracking
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| Link | Providers |
|---|---|
| https://www.zerodayinitiative.com/advisories/ZDI-26-587/ |
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Tue, 15 Sep 2026 20:30:00 +0000
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ssvc
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Tue, 15 Sep 2026 18:30:00 +0000
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| Description | Ashlar-Vellum Cobalt VS File Parsing Heap-based Buffer Overflow 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 VS files. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a heap-based buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-28173. | |
| Title | Ashlar-Vellum Cobalt VS File Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability | |
| Weaknesses | CWE-122 | |
| References |
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| Metrics |
cvssV3_0
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Subscriptions
No data.
Status: PUBLISHED
Assigner: zdi
Published:
Updated: 2026-09-15T19:22:47.932Z
Reserved: 2026-08-13T17:43:39.304Z
Link: CVE-2026-19781
Updated: 2026-09-15T19:22:44.403Z
Status : Received
Published: 2026-09-15T19:17:17.987
Modified: 2026-09-15T20:17:12.510
Link: CVE-2026-19781
No data.
OpenCVE Enrichment
No data.
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CWE-122
Heap-based Buffer Overflow