TI-2025-01751 Aliases CVE-2025-2013 GHSA-4p9p-c25q-hmp5

Use after free in Ashlar-Vellum Cobalt

LOW 36CWE-416Published 2025-03-11 · Updated 2025-03-12

Key facts

Attack vector: Local
Privileges required: None
User interaction: Required
Attack complexity: Low
Impact type: Code execution
Confidentiality · integrity · availability: High · High · High
Fix status: No fix listed

Attack profile from CVSS 3.0 · CNA. Fix status from CNA. Impact type from CWE-416 and the CVSS impact.

Summary

Ashlar-Vellum Cobalt CO File Parsing Use-After-Free 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 CO files. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-25186.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00299 22nd percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Ashlar-Vellum	Cobalt	1204.91	—	No fix listed	CNA

Cobalt VendorAshlar-Vellum Affected 1204.91 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:ashlar:cobalt:12.0.1204.91:::::::*	12.0.1204.91	Vulnerable	Ashlar-Vellum

cpe:2.3:a:ashlar:cobalt:12.0.1204.91:*:*:*:*:*:*:* Versions 12.0.1204.91 Vulnerable ·Ashlar-Vellum

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2025-2013
2026-10-03 Alias added: GHSA-4p9p-c25q-hmp5

References

Advisory 1

ZDI-25-120

TI-2023-17127 Out-of-bounds write in Ashlar-Vellum Cobalt CVSS 3.1HIGH 8.8
TI-2025-40238 Heap-based Buffer Overflow in Ashlar-Vellum Cobalt, Xenon, Argon, Lithium, Cobalt Share CVSS 4.0HIGH 8.4
TI-2025-40241 Out-of-bounds read in Ashlar-Vellum Cobalt, Xenon, Argon, Lithium, Cobalt Share CVSS 4.0HIGH 8.4
TI-2025-40240 Out-of-bounds read in Ashlar-Vellum Cobalt, Xenon, Argon, Lithium, Cobalt Share CVSS 4.0HIGH 8.4
TI-2025-40239 Out-of-bounds write in Ashlar-Vellum Cobalt, Xenon, Argon, Lithium, Cobalt Share CVSS 4.0HIGH 8.4
TI-2025-40237 Out-of-bounds Write in Ashlar-Vellum Cobalt, Xenon, Argon, Lithium, Cobalt Share CVSS 4.0HIGH 8.4

See all 86 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences