What is CVE-2018-19449?

CVE-2018-19449 is a high-severity vulnerability in Foxitsoftware Foxit Pdf Sdk Activex, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2019-06-17.

How severe is CVE-2018-19449?

High severity. CVSS v3 base score is 7.8 out of 10.

Is CVE-2018-19449 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in Foxitsoftware Foxit Pdf Sdk Activex

CVE-2018-19449

A File Write can occur for specially crafted PDF files in Foxit Reader SDK (ActiveX) Professional 5.4.0.1031 when the JavaScript API Doc.exportAsFDF is used. An attacker can leverage this to gain remote code execution.

Vulnerability class: Buffer Overflow

Published 2019-06-17 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.023 (82.8th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 83rd percentile — 82.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.023 · newest: 0.023 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

Public proof-of-concept exploits

References

www.foxitsoftware.com/support/security-bulletins.php (Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2018-19449?: CVE-2018-19449 is a high-severity vulnerability in Foxitsoftware Foxit Pdf Sdk Activex, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2019-06-17.
How severe is CVE-2018-19449?: High severity. CVSS v3 base score is 7.8 out of 10.
Is CVE-2018-19449 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.