CVE-2025-46269
Ashlar-Vellum Cobalt, Xenon, Argon, Lithium, Cobalt Share Heap-based Buffer Overflow
02 Description
Ashlar-Vellum Cobalt, Xenon, Argon, Lithium, Cobalt Share Heap-based Buffer Overflow
03 Exploitation and scoring
- Exploitation
- Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
- SSVC decision
- ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
- AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
- Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.
- EPSS probability
- 0.16% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 5.8% of scored records. A rank, not a probability.
- NVD base score
- 8.4 (CVSS v4.0), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
- NVD analysis status
- Analyzed. NVD last modified this record on 2026-06-17.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2025-08-18 21:11Z1 YR AGO
- Last updated
- 2025-08-19 13:27Z1 YR AGO
- Reserved
- 2025-07-08
- Assigning CNA
- icscert
- Record state
- PUBLISHED
- Severity
- High (CVSS 8.4)
- CNA CVSS vector
- CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
- Weaknesses
- CWE-122Heap-based Buffer OverflowVariant
- Data version
- 5.1
- Document digest
- 6bb1801e0218265f386641f92570125e25bda642ae427a3c38e0c5ad4b803013
05 Affected products
06 References
07 Remediation
Ashlar-Vellum recommends users update to Versions 12.6.1204.204 and above https://download.ashlar.com/v12/index.html of the affected products. * Ashlar-Vellum strongly recommends that all users update Cobalt, Xenon, Argon, Lithium, and Cobalt Share to the latest supported version by selecting Help > Check Web for Updates from the application's main menu. * Users should only open CO/XE/AR/LI files or import supported file formats from trusted sources.