Security readout for executives and security teams
Plain-English summary
CVE-2018-15813 is a reported crash condition in FastStone Image Viewer 6.5 when it processes a crafted image file. The public record does not provide CVSS scoring, confirmed code execution, or a vendor fix. Treat it as a workstation exposure where users may open untrusted image files.
Executive priority
Moderate operational priority if the software is present in user-facing workflows that handle external images. Lower priority if not deployed. Because exploitability and fixes are not clearly documented in the provided sources, focus first on inventory and vendor-supported upgrade decisions.
Technical view
The CVE description reports a user-mode write access violation in FastStone Image Viewer 6.5 at image00400000+0x00000000000e1237 via crafted image input. Available sources describe a crash but do not establish exploitability beyond denial of service or memory corruption symptoms.
Likely exposure
Exposure is likely limited to endpoints where FastStone Image Viewer 6.5 is installed and users open images from email, web downloads, removable media, or other untrusted sources. The source bundle does not identify other versions, CPEs, operating systems, or downstream products.
Exploitation context
The source bundle does not show CISA KEV listing, active exploitation, public weaponization, or in-the-wild abuse. The evidence is a CVE record and a third-party crash report referencing crafted image files.
Researcher notes
Public evidence is sparse. The record supports a crafted-file crash and user-mode write access violation, but not reliable code execution, affected version ranges, root cause, or patch status. Do not assume broader FastStone product impact without additional vendor or reproducible evidence.
Mitigation direction
- Check FastStone vendor guidance for fixed or supported versions.
- Avoid opening untrusted image files in FastStone Image Viewer 6.5.
- Prefer current, supported image viewing software where feasible.
- Use endpoint controls to reduce risky attachment and download handling.
- Prioritize removal or upgrade if the software is exposed to untrusted content workflows.
Validation and detection
- Inventory endpoints for FastStone Image Viewer 6.5 installations.
- Confirm whether users process externally supplied images with this application.
- Review software management records for available FastStone updates.
- Check security tooling for crashes tied to image file handling.
- Document compensating controls where upgrade status is unclear.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
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
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CVE-2018-15813 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
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.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://0x00crashes.blogspot.com/2018/08/faststone-image-viewer-65-few-crashes.htmlCVE reference · x_refsource_MISC
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.