What is CVE-2023-33866?

CVE-2023-33866 is a high-severity vulnerability in Foxit Reader, classified under Use After Free. CVSS score: 8.8/10. Published 2023-07-19.

How severe is CVE-2023-33866?

High severity. CVSS v3 base score is 8.8 out of 10.

Use After Free in Foxit Reader

CVE-2023-33866

A use-after-free vulnerability exists in the JavaScript engine of Foxit Software’s PDF Reader, version 12.1.2.15332. By prematurely deleting objects associated with pages, a specially crafted PDF document can trigger the reuse of previousl…

Vulnerability class: Use-After-Free

EPSS: 0.003 (49.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Foxit Reader — versions 12.1.2.15332

Weakness classification (CWE)

CWE-416 — Use After Free

References

https://talosintelligence.com/vulnerability_reports/TALOS-2023-1757

Frequently asked questions

What is CVE-2023-33866?: CVE-2023-33866 is a high-severity vulnerability in Foxit Reader, classified under Use After Free. CVSS score: 8.8/10. Published 2023-07-19.
How severe is CVE-2023-33866?: High severity. CVSS v3 base score is 8.8 out of 10.