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CRITICAL

CVE-2023-40163

CVSS v3

9.8

CRITICAL

EPSS Score

1.1 %

exploit probability, as of 2026-09-26

CISA KEV

No

known exploited

Exploitation

—

SSVC status

Description

An out-of-bounds write vulnerability exists in the allocate_buffer_for_jpeg_decoding functionality of Accusoft ImageGear 20.1. A specially crafted malformed file can lead to memory corruption. An attacker can provide a malicious file to trigger this vulnerability.

Technical details

Published
2023-09-25

Frequently asked questions

What is CVE-2023-40163?

An out-of-bounds write vulnerability exists in the allocate_buffer_for_jpeg_decoding functionality of Accusoft ImageGear 20.1. A specially crafted malformed file can lead to memory corruption. An attacker can provide a malicious file to trigger this vulnerability.

Is CVE-2023-40163 actively exploited?

Active exploitation of CVE-2023-40163 has not been confirmed. Its EPSS score was 1.1% on 2026-09-26, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2023-40163?

CVE-2023-40163 has a CVSS v3 base score of 9.8 (CRITICAL severity).

Is CVE-2023-40163 affecting your environment?

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