Security readout for executives and security teams
Plain-English summary
Foxit Reader 9.0.0.29935 can read memory it should not when processing crafted U3D content. An attacker must convince a user to visit a malicious page or open a malicious file. The disclosed memory could help a broader attack, including code execution when chained with other vulnerabilities.
Executive priority
Treat this as a targeted document-handling risk, not a standalone critical emergency. Prioritize remediation where Foxit Reader 9.0.0.29935 is present on users exposed to external documents.
Technical view
CVE-2018-9984 is a CWE-125 out-of-bounds read in Foxit Reader’s parsing of Texture Image Channels objects in U3D files. The source describes sensitive information disclosure and notes potential chaining with other vulnerabilities for code execution in the current process. No CVSS score or fixed version is provided in the bundle.
Likely exposure
Exposure is limited to installations of Foxit Reader 9.0.0.29935 that process attacker-supplied files or web content. Organizations using different Foxit versions or not using Foxit Reader have unproven exposure from this bundle.
Exploitation context
The source says exploitation requires user interaction through a malicious page or file. It does not state active exploitation, and the CVE is not listed as KEV in the provided bundle.
Researcher notes
Evidence is strongest for the vulnerable version and bug class. The bundle does not provide CVSS, exploit-in-the-wild evidence, or a named fixed build. Avoid assuming broader Foxit product impact without vendor confirmation.
Mitigation direction
- Inventory endpoints for Foxit Reader 9.0.0.29935.
- Check Foxit’s security bulletin for the vendor-supported remediation path.
- Prioritize updating or removing affected Foxit Reader installations.
- Limit user opening of untrusted PDF or U3D-containing content.
- Use email and web filtering for suspicious document delivery.
Validation and detection
- Confirm whether Foxit Reader 9.0.0.29935 exists in software inventory.
- Verify remediated endpoints no longer report the affected version.
- Review high-risk user groups that commonly open external documents.
- Check vendor guidance before declaring a fixed version target.
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.
CWE-125: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2018-9984 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://www.foxitsoftware.com/support/security-bulletins.phpCVE reference · x_refsource_CONFIRM
- https://zerodayinitiative.com/advisories/ZDI-18-382CVE 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.
Out-of-bounds Read
Out-of-bounds Read represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.