A use-after-free vulnerability exists in the JavaScript engine of Foxit Software's PDF Reader, version 12.0.1.12430. A specially-crafted PDF document can trigger the reuse of previously freed memory via misusing Optional Content Group API, which can lead to 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.
Published 2022-11-21 16:15:26
Updated 2022-11-22 01:07:11
Source Talos
View at NVD,   CVE.org
Vulnerability category: Memory Corruption

Exploit prediction scoring system (EPSS) score for CVE-2022-40129

0.09%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 38 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2022-40129

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
8.8
HIGH CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
2.8
5.9
Talos
7.8
HIGH CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
1.8
5.9
NIST

CWE ids for CVE-2022-40129

  • Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code.
    Assigned by: talos-cna@cisco.com (Primary)

References for CVE-2022-40129

Products affected by CVE-2022-40129

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