What is CVE-2023-39453?

CVE-2023-39453 is a critical-severity vulnerability in Accusoft Imagegear, classified under Use After Free. CVSS score: 9.8/10. Published 2023-09-25.

How severe is CVE-2023-39453?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Use After Free in Accusoft Imagegear

CVE-2023-39453

A use-after-free vulnerability exists in the tif_parse_sub_IFD functionality of Accusoft ImageGear 20.1. A specially crafted malformed file can lead to arbitrary code execution. An attacker can deliver this file to trigger this vulnerability.

Vulnerability class: Use-After-Free

Published 2023-09-25 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.013 (69.1th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 69th percentile — 69.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.012 · newest: 0.013 · change: +0.001

Affected products

Accusoft Imagegear — versions 20.1

Weakness classification (CWE)

CWE-416 — Use After Free

References

talosintelligence.com/vulnerability_reports/TALOS-2023-1830 (Exploit, Third Party Advisory)
af854a3a-2127-422b-91ae-364da2661108

Frequently asked questions

What is CVE-2023-39453?: CVE-2023-39453 is a critical-severity vulnerability in Accusoft Imagegear, classified under Use After Free. CVSS score: 9.8/10. Published 2023-09-25.
How severe is CVE-2023-39453?: Critical severity. CVSS v3 base score is 9.8 out of 10.