Security readout for executives and security teams
Plain-English summary
This CVE concerns an old Foxit Reader U3D browser plugin that can mishandle a crafted U3D sample. The reported outcomes include application crash, possible information exposure, and unspecified other impact. The source bundle does not provide CVSS, a vendor fix, or evidence of active exploitation.
Executive priority
Treat this as a legacy software exposure requiring inventory-driven cleanup, not an emergency active-exploitation event based on the provided sources. Prioritize systems that process external documents or belong to high-risk users.
Technical view
Foxit Reader 9.3.0.10826 with u3d plugin 9.3.0.10809, plugins\U3DBrowser.fpi, has an out-of-bounds read where data from the faulting address can influence code flow in U3DBrowser!PlugInMain. The attack vector described is a U3D sample. Impact details beyond DoS and possible sensitive information disclosure are incomplete.
Likely exposure
Exposure is most likely limited to endpoints still running Foxit Reader 9.3.0.10826 with the U3DBrowser.fpi U3D plugin. Organizations that open externally supplied PDFs or U3D-containing documents have the most relevant user-facing risk.
Exploitation context
The bundle includes public researcher references and says remote attackers can trigger the issue using a U3D sample. It does not include KEV status, active exploitation evidence, or a confirmed reliable code execution claim.
Researcher notes
Evidence is sparse: no CVSS, CWE, CPE, patch reference, or vendor advisory appears in the bundle. The strongest technical signal is the out-of-bounds read and code-flow influence claim in the U3DBrowser plugin. Avoid overstating impact beyond the CVE wording.
Mitigation direction
- Inventory Foxit Reader deployments and prioritize legacy 9.3.0.10826 installations.
- Check Foxit vendor guidance for the supported fix or replacement version.
- Restrict opening untrusted PDFs or U3D content on affected systems.
- Consider disabling the U3D plugin only if vendor guidance and workflows allow.
- Retire unsupported Foxit Reader versions from managed endpoints.
Validation and detection
- Confirm whether Foxit Reader 9.3.0.10826 is installed on endpoints.
- Check for plugins\U3DBrowser.fpi version 9.3.0.10809 where Foxit is present.
- Review crash telemetry for FoxitReader.exe involving U3DBrowser.fpi.
- Verify affected hosts are upgraded, removed, or otherwise controlled.
- Document business groups that still require U3D document handling.
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-2018-19343 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/2018/11/10/2018/11/2018-11-10/index.htmlCVE 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.