Ashlar-Vellum Cobalt/Xenon/Argon/Lithium/Cobalt Share prior 12.6.1204.204 CO File Parser out-of-bounds write

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.9$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in Ashlar-Vellum Cobalt, Xenon, Argon, Lithium and Cobalt Share. Affected is an unknown function of the component CO File Parser. The manipulation leads to out-of-bounds write. This vulnerability is traded as CVE-2025-53705. It is possible to initiate the attack remotely. There is no exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Ashlar-Vellum Cobalt, Xenon, Argon, Lithium and Cobalt Share. It has been rated as critical. This issue affects some unknown functionality of the component CO File Parser. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. Using CWE to declare the problem leads to CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

In Ashlar-Vellum Cobalt, Xenon, Argon, Lithium, and Cobalt Share versions prior to 12.6.1204.204, the affected applications lack proper validation of user-supplied data when parsing CO files. This could lead to an out-of-bounds write. An attacker could leverage this vulnerability to execute arbitrary code in the context of the current process.

The advisory is shared at cisa.gov. The identification of this vulnerability is CVE-2025-53705. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available.

Upgrading to version 12.6.1204.204 eliminates this vulnerability.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 7.0
VulDB Meta Temp Score: 6.9

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 7.8
CNA Vector: 🔒

CVSSv2info

AVACAuCIA
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Out-of-bounds write
CWE: CWE-787 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Cobalt/Xenon/Argon/Lithium/Cobalt Share 12.6.1204.204

Timelineinfo

08/12/2025 Advisory disclosed
08/12/2025 +0 days VulDB entry created
11/28/2025 +108 days VulDB entry last update

Sourcesinfo

Advisory: icsa-25-224-01
Status: Confirmed

CVE: CVE-2025-53705 (🔒)
GCVE (CVE): GCVE-0-2025-53705
GCVE (VulDB): GCVE-100-319769

Entryinfo

Created: 08/12/2025 20:48
Updated: 11/28/2025 19:39
Changes: 08/12/2025 20:48 (52), 11/28/2025 19:39 (25)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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