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CVE-2023-52356

HighPublished

Libtiff: segment fault in libtiff in tiffreadrgbatileext() leading to denial of service

Published: Jan 25, 2024
Updated: Jun 10, 2026
Assigning CNA: redhat
Evidence observed: Sep 7, 2026

Primary CVSS

7.5/ 10High

nvd · CVSS 3.1

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS probability estimate

2.2%

Low · next 30 days

Percentile: 81.4%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

Summary

A segment fault (SEGV) flaw was found in libtiff that could be triggered by passing a crafted tiff file to the TIFFReadRGBATileExt() API. This flaw allows a remote attacker to cause a heap-buffer overflow, leading to a denial of service.

Sources

CVE-2023-52356-libtiff-analysisResearch
Root-cause analysis and patch validation of CVE-2023-52356 in libtiff using AddressSanitizer and GDB.

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