Security readout for executives and security teams
Plain-English summary
CVE-2018-19388 is a crash bug in Foxit Reader 9.3.0.10826. A malicious TIFF file can trigger an out-of-bounds read that crashes FoxitReader.exe. The public record describes denial of service only, not data theft or code execution.
Executive priority
Treat this as a targeted availability risk for legacy desktop software, not a confirmed breach risk. Prioritize if Foxit Reader handles externally supplied image files in business-critical workflows.
Technical view
The issue is attributed to ConvertToPDF_x86!ReleaseFXURLToHtml handling of TIFF data in Foxit Reader 9.3.0.10826. Reported effects are out-of-bounds read, access violation, and application crash. No CVSS score, CWE, patch version, or broader affected version range is provided in the supplied sources.
Likely exposure
Exposure is most likely on endpoints that still run Foxit Reader 9.3.0.10826 and process untrusted TIFF content. The bundle does not identify server exposure, other Foxit products, or other versions.
Exploitation context
The CVE describes remote attackers causing denial of service through TIFF data. CISA KEV status is false in the bundle, and no cited source establishes active exploitation in the wild.
Researcher notes
Evidence is limited to the CVE description and linked researcher pages. The record lacks CVSS, CWE, affected-version range, and official remediation details, so validation should avoid assumptions beyond Foxit Reader 9.3.0.10826 and TIFF-triggered crash behavior.
Mitigation direction
- Inventory endpoints for Foxit Reader 9.3.0.10826.
- Check Foxit vendor guidance for fixed or supported versions.
- Avoid opening untrusted TIFF files in affected Foxit Reader installations.
- Replace unsupported Foxit Reader builds where business workflows allow.
Validation and detection
- Confirm installed Foxit Reader versions on managed endpoints.
- Review endpoint telemetry for FoxitReader.exe crash patterns.
- Verify TIFF handling workflows that involve external or untrusted files.
- Track vendor advisory status before declaring remediation complete.
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-2018-19388 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://github.com/Yan-1-20/Yan-1-20.github.io/blob/master/2018/11/20/2018/11/2018-11-20/index.htmlCVE reference · x_refsource_MISC
- https://yan-1-20.github.io/2018/11/20/2018/11/2018-11-20/CVE 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.