CVE-2023-33876

8.8 HIGH
Published: July 19, 2023 Modified: November 04, 2025

Description

A use-after-free vulnerability exists in the way Foxit Reader 12.1.2.15332 handles destroying annotations. Specially crafted Javascript code inside a malicious PDF document can trigger reuse of a previously freed object, which can lead to memory corruption and result in arbitrary code execution. An attacker needs to trick the user into opening the malicious file to trigger this vulnerability. Exploitation is also possible if a user visits a specially crafted, malicious site if the browser plugin extension is enabled.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://talosintelligence.com/vulnerability_reports/TALOS-2023-1796
Source: talos-cna@cisco.com
Exploit Third Party Advisory
https://talosintelligence.com/vulnerability_reports/TALOS-2023-1796
Source: af854a3a-2127-422b-91ae-364da2661108
Exploit Third Party Advisory

3 reference(s) from NVD

Quick Stats

CVSS v3 Score
8.8 / 10.0
EPSS (Exploit Probability)
0.1%
33th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

Affected Vendors

foxit