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CVE Record

CVE-2018-15814: FastStone Image Viewer 6.5 has a User Mode Write AV starting at image00400000+0x00000000001cb509 via a craf...

FastStone Image Viewer 6.5 has a User Mode Write AV starting at image00400000+0x00000000001cb509 via a crafted image file.

UnknownCVSS not scoredNot KEV-listedUpdated
Glexia's TakeAutomated analysisunknown

Security readout for executives and security teams

Plain-English summary

This CVE concerns FastStone Image Viewer 6.5 crashing when processing a crafted image file. The public record does not confirm code execution, active exploitation, severity, or a vendor fix. Business risk is mainly on endpoints where users open images from untrusted sources.

Executive priority

Handle as a targeted endpoint hygiene issue, not an emergency based on current evidence. Prioritize inventory and vendor-version verification for teams handling untrusted images, downloads, email attachments, or external media.

Technical view

The record describes a user-mode write access violation in FastStone Image Viewer 6.5 triggered by a crafted image file. Sources do not provide CVSS, CWE, affected CPEs, code execution confirmation, patch status, or root-cause details. Treat it as a possible client-side file-parsing memory safety issue until vendor guidance clarifies impact.

Likely exposure

Exposure appears limited to systems running FastStone Image Viewer 6.5 that open attacker-supplied image files. The source bundle does not identify other versions, platforms, or deployment patterns.

Exploitation context

The CVE source indicates a crafted image file can trigger the fault. There is no KEV listing and no provided source evidence of active exploitation, public weaponization, privilege impact, or reliable code execution.

Researcher notes

Public evidence is sparse: the CVE record names a write access violation and crafted image trigger, while the affected metadata is incomplete. Do not assume RCE or broader version impact without additional vendor or reproducible advisory evidence.

Mitigation direction

  • Identify endpoints with FastStone Image Viewer 6.5 installed.
  • Check FastStone vendor guidance for fixed or supported versions.
  • Avoid opening untrusted image files in affected software.
  • Use endpoint controls to limit risky file associations where practical.
  • Remove or replace unsupported installations if vendor guidance is unavailable.

Validation and detection

  • Inventory installed FastStone Image Viewer versions across managed endpoints.
  • Confirm whether image file associations invoke the affected application.
  • Review endpoint telemetry for repeated FastStone crashes after image handling.
  • Check vendor release notes or advisories for CVE-2018-15814 coverage.
  • Document uncertainty where patch status cannot be confirmed.
Prepared
Confidence
medium
Sources
3

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.

ATT&CK lookup starting points

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CVE-2018-15814 mapping review

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Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors
0Timeline events
0ADP providers
2Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/an/an/aListed
Weakness

CWE details

No CWE listed

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.