CVE-2021-21870CWE-416

A use-after-free vulnerability exists in the JavaScript engine of Foxit Software’s PDF Reader, version 10.1.4.37651

High · published August 5, 2021

CVSS v3.0
8.8
EPSS
2%
Percentile
79.4
In the wild
Unconfirmed
What it is

A use-after-free vulnerability exists in the JavaScript engine of Foxit Software’s PDF Reader, version 10.1.4.37651. A specially crafted PDF document can trigger the reuse of previously free memory, which can lead to arbitrary code execution. An attacker needs to trick the user into opening a malicious file or site to trigger this vulnerability if the browser plugin extension is enabled.

The record
Technical detail
CVSS v3.0
8.8 · HIGH
Vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.01893 · 79.4th percentile
Weakness
CWE-416 · Use After Free
Published
2021-08-05T20:07Z
EPSS history
Timeline
  • 05 AUG 20:07Z
    A use-after-free vulnerability exists in the JavaScript engine of Foxit Software’s PDF Reader, version 10.1.4.37651
    cvelistv5