The specific flaw exists within the parsing of VC6 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. Was ZDI-CAN-25945.
Analysis and contextual insights are available on OpenCVE Cloud.
No vendor fix or workaround currently provided.
Additional remediation guidance may be available on OpenCVE Cloud.
Tracking
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| Source | ID | Title |
|---|---|---|
EUVD |
EUVD-2025-29796 | Ashlar-Vellum Cobalt VC6 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 VC6 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. Was ZDI-CAN-25945. |
| Link | Providers |
|---|---|
| https://www.zerodayinitiative.com/advisories/ZDI-25-643/ |
|
Mon, 22 Sep 2025 20:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| CPEs | cpe:2.3:a:ashlar:cobalt:-:*:*:*:*:*:*:* |
Thu, 18 Sep 2025 14:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
ssvc
|
Thu, 18 Sep 2025 12:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Ashlar
Ashlar cobalt |
|
| Vendors & Products |
Ashlar Vellum
Ashlar Vellum cobalt |
Ashlar
Ashlar cobalt |
Thu, 18 Sep 2025 12:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Ashlar Vellum
Ashlar Vellum cobalt |
|
| Vendors & Products |
Ashlar Vellum
Ashlar Vellum cobalt |
Wed, 17 Sep 2025 21:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | Ashlar-Vellum Cobalt VC6 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 VC6 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. Was ZDI-CAN-25945. | |
| Title | Ashlar-Vellum Cobalt VC6 File Parsing Out-Of-Bounds Read Remote Code Execution Vulnerability | |
| Weaknesses | CWE-125 | |
| References |
| |
| Metrics |
cvssV3_0
|
Status: PUBLISHED
Assigner: zdi
Published:
Updated: 2025-09-18T13:41:01.352Z
Reserved: 2025-07-21T19:50:02.378Z
Link: CVE-2025-7991
Updated: 2025-09-18T13:40:46.817Z
Status : Analyzed
Published: 2025-09-17T21:15:40.723
Modified: 2025-09-22T20:42:08.630
Link: CVE-2025-7991
No data.
OpenCVE Enrichment
Updated: 2025-09-18T12:41:24Z
EUVD