PT-2025-31401 · Ashlar Vellum+1 · Cobalt

Rocco Calvi + 1 · Published 2025-07-30 · Updated 2025-09-18 · CVE-2025-7994

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Ashlar-Vellum Cobalt (affected versions not specified)

Description This issue allows remote attackers to execute arbitrary code on affected installations of Ashlar-Vellum Cobalt. User interaction is required to exploit this flaw, as the target must visit a malicious page or open a malicious file. The vulnerability stems from insufficient validation of user-supplied data during the parsing of AR files, leading to a read past the end of an allocated data structure. An attacker can exploit this to execute code within the context of the current process.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

RCE

Out of bounds Read

Weakness Enumeration

CWE-125

Related Identifiers

CVE-2025-7994

ZDI-25-714

Affected Products

Cobalt

References · 4

• https://nvd.nist.gov/vuln/detail/CVE-2025-7994 · Security Note
• https://zerodayinitiative.com/advisories/ZDI-25-714 · Security Note
• https://twitter.com/CVEnew/status/1968561184086339906 · Twitter Post
• https://t.me/CVEtracker/32790 · Telegram Post