Security readout for executives and security teams
Plain-English summary
CVE-2018-10493 affects Foxit Reader 9.0.1.1049. A malicious document or webpage can make the reader read memory it should not access, potentially exposing sensitive data. The sources say user interaction is required, and CISA KEV is not indicated.
Executive priority
Treat this as a targeted desktop software risk, not a confirmed emergency. Prioritize remediation where Foxit Reader 9.0.1.1049 is present on users exposed to external documents or web content.
Technical view
The flaw is a CWE-125 out-of-bounds read in Foxit Reader U3D Final Maximum Resolution attribute parsing. Improper validation of user-supplied data can read past an allocated object. ZDI notes it may be chained with other vulnerabilities to execute code in the current process.
Likely exposure
Exposure is likely limited to endpoints running Foxit Reader 9.0.1.1049, especially users who open external PDFs or visit untrusted pages. The provided sources do not identify other affected versions or products.
Exploitation context
The source bundle does not show active exploitation and KEV is false. Exploitation requires the target to open a malicious file or visit a malicious page. The main concern is use as part of a multi-bug exploit chain.
Researcher notes
Evidence is concise but specific: Foxit Reader 9.0.1.1049, U3D attribute parsing, out-of-bounds read, user interaction required. No CVSS, exploit-in-the-wild evidence, or fixed version details are provided in the bundle.
Mitigation direction
- Identify any Foxit Reader 9.0.1.1049 installations.
- Check Foxit security bulletins for vendor-confirmed update guidance.
- Upgrade, remove, or isolate affected installations according to vendor guidance.
- Reduce handling of untrusted PDFs on affected systems until remediated.
- Use email and web controls to limit suspicious document delivery.
Validation and detection
- Confirm installed Foxit Reader versions across managed endpoints.
- Verify whether Foxit Reader is the default PDF handler.
- Check whether affected users routinely receive external PDFs.
- Review security controls for malicious document detection coverage.
- Document remediation status and residual exception owners.
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-2018-10493 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-18-403CVE 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.