CVE-2010-0679Chemview Memory Corruption
Multiple stack-based buffer overflows in the HyleosChemView.HLChemView ActiveX control (HyleosChemView.ocx) in Hyleos ChemView 1.9.5.1 allow remote attackers to execute arbitrary code via a large number of white space characters in the filename argument to the (1) SaveasMolFile…
Published Feb 22, 2010 · Updated Apr 28, 2026
Key Facts
Patch immediately- CVE-2010-0679 is a critical-severity vulnerability (CVSS 9.3 v2) affecting Chemview (Hyleos).
- It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
- EPSS estimates a 35% probability of exploitation in the next 30 days.
- No fixed version is listed yet; check the vendor advisory for mitigations.
- Brandefense priority: patch immediately, because public exploit code exists for a high-severity flaw.
Scores
CVSS v2
9.3
AV:N/AC:M/Au:N/C:C/I:C/A:C
EPSS (30-day exploit likelihood)
35%
Higher than 98.4% of all scored CVEs
Exploit maturity
Weaponized
ATLAS score
57/100
Publication score, see How it works
Exploitation Verdict
KEV listed
Not listed
Federal due date
None
No federal due date
Ransomware use
Not reported
Attributed actors
None named
Exploit & Defence Guidance
Exploit maturity
Weaponized
Public exploit code
4
Proof-of-concept links
In-the-wild evidence
3
Reports of active use
Advisories And Exploit References
- advisory38523
Description
Multiple stack-based buffer overflows in the HyleosChemView.HLChemView ActiveX control (HyleosChemView.ocx) in Hyleos ChemView 1.9.5.1 allow remote attackers to execute arbitrary code via a large number of white space characters in the filename argument to the (1) SaveasMolFile and (2) ReadMolFile methods.
Affected Products
1 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| ChemviewHyleos | 1.9.5.1 | n/a |
Timeline
Publicly disclosed
Feb 22, 2010
Last updated
Apr 28, 2026
Weakness Type
- CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
References
- advisory38523
- exploitpacketstormsecurity.org · chemviewx-overflow.txt
- exploitpacketstormsecurity.org · hyleoschemview-heap.rb.txt
- exploitMSF hyleos_chemviewx_activex.rb
- exploitExploitDB-11422
FAQ
Common Questions.
Multiple stack-based buffer overflows in the HyleosChemView.HLChemView ActiveX control (HyleosChemView.ocx) in Hyleos ChemView 1.9.5.1 allow remote attackers to execute arbitrary code via a large number of white space characters in the filename argument to the (1) SaveasMolFile and (2) ReadMolFile methods.
Affected: Chemview (Hyleos) versions 1.9.5.1. The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because public exploit code exists for a high-severity flaw.
Is CVE-2010-0679 On Your Attack Surface?
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