Security readout for executives and security teams
Plain-English summary
CVE-2018-19342 affects Foxit Reader 9.3.0.10826 through its U3D browser plugin. A crafted U3D sample could crash the reader or potentially expose sensitive information. The public record does not provide CVSS scoring, confirmed exploitation, or a named vendor fix.
Executive priority
Prioritize remediation for users who open external PDFs or 3D document content. This is not KEV-listed and lacks scoring, but the affected reader component handles attacker-supplied files and may crash or leak information.
Technical view
The issue is an out-of-bounds read in plugins\U3DBrowser.fpi version 9.3.0.10809 loaded by FoxitReader.exe. The cited description reports a read access violation at U3DBrowser+0x347a when handling a U3D sample, with impact described as denial of service or sensitive information disclosure.
Likely exposure
Exposure is most likely where Foxit Reader 9.3.0.10826 with the U3D plugin processes untrusted PDF or U3D content. The source bundle does not identify broader versions or products beyond the named Foxit Reader and plugin builds.
Exploitation context
The sources describe remote attacker impact through a U3D sample but do not show active exploitation. The CVE is not marked as KEV. Treat exploitation status as unconfirmed, with practical risk tied to users opening untrusted documents containing U3D content.
Researcher notes
Evidence is sparse and comes mainly from the CVE description and linked researcher pages. The record names exact Foxit Reader and plugin versions, impact class, and crash location, but does not provide CVSS, CWE, exploit status, or official patch metadata.
Mitigation direction
- Inventory Foxit Reader deployments and identify version 9.3.0.10826.
- Check Foxit vendor guidance for the fixed version or official workaround.
- Update Foxit Reader where vendor-supported updates are available.
- Disable or remove the U3D plugin if supported by business requirements.
- Limit handling of untrusted PDFs and U3D files on vulnerable systems.
Validation and detection
- Confirm FoxitReader.exe version on endpoints running Foxit Reader.
- Check whether plugins\U3DBrowser.fpi is present and version 9.3.0.10809.
- Review document-handling workflows that receive external PDF or U3D content.
- Check crash telemetry for U3DBrowser read access violations.
- Verify vendor documentation before marking 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-2018-19342 mapping review
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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/2018/11/10/2018/11/2018-11-10/index.htmlCVE reference · x_refsource_MISC
- https://github.com/Yan-1-20/Yan-1-20.github.io/tree/master/2018/11/08/2018/11/2018-11-08-2/index.htmlCVE reference · x_refsource_MISC
- https://yan-1-20.github.io/2018/11/08/2018/11/2018-11-08-2/CVE reference · x_refsource_MISC
- https://yan-1-20.github.io/2018/11/10/2018/11/2018-11-10/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.