Security readout for executives and security teams
Plain-English summary
CVE-2018-9960 is a remote code execution flaw in Foxit Reader 9.0.1.1049. A victim must open a malicious file or visit a malicious page. If successful, attacker-controlled code runs with the current user's permissions, making phishing and document-delivery scenarios the main business concern.
Executive priority
Treat as a high-priority legacy endpoint remediation item, not an emergency active-exploitation event based on the provided evidence. Prioritize systems handling external documents or high-risk user groups.
Technical view
The flaw is in parsing the textColor Field attribute. The source describes missing validation that an object exists before operations are performed on it, mapped to CWE-416. Successful exploitation can execute arbitrary code in the current process. The bundle names Foxit Reader 9.0.1.1049 as affected.
Likely exposure
Exposure is most likely on endpoints still running Foxit Reader 9.0.1.1049, especially where users open external PDFs or browse untrusted content. The source bundle does not identify other versions or products as affected.
Exploitation context
User interaction is required. The cited description says the target must visit a malicious page or open a malicious file. There is no KEV listing and no provided source evidence of active exploitation.
Researcher notes
ZDI tracked this as ZDI-CAN-5433 and ZDI-18-344. The public bundle gives root-cause and impact at a high level but does not include CVSS, exploit maturity, or a specific fixed release in the provided data.
Mitigation direction
- Identify and prioritize Foxit Reader 9.0.1.1049 installations.
- Check Foxit security bulletins for the vendor-supported fixed version or guidance.
- Update or replace affected Foxit Reader installations following vendor guidance.
- Limit use of affected Reader for untrusted files until remediation is complete.
Validation and detection
- Inventory endpoint software versions for Foxit Reader 9.0.1.1049.
- Review vulnerability scanner results for CVE-2018-9960 coverage.
- Confirm remediated hosts no longer report the affected version.
- Document any exceptions and compensating controls for remaining installations.
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-416: 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 lookupExecution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2018-9960 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-18-344CVE 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.
Use After Free
Use After Free represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.