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Vulnerability record · CVE-2026-52491 · published 25 August 2026

CVE-2026-52491: Integer overflow vulnerability

An issue in libtiff 85f2ac8e0b01cb7db2bbecf4a3b891bdbef67938 allows an attacker to execute arbitrary code via the libtiff/tools/thumbnail.c: main() component

8.4 CVSS 3.1 High EPSS 0.19% · top 92.0% CWE-190 · Integer overflow Awaiting Analysis
8.4CVSS 3.1 base score
0.19%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
2References
9 Sep 2026Last modified by NVD

Description

An issue in libtiff 85f2ac8e0b01cb7db2bbecf4a3b891bdbef67938 allows an attacker to execute arbitrary code via the libtiff/tools/thumbnail.c: main() component

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

References

LinkTags
https://gist.github.com/okyfh/5cc53fa67d229017231cf18c91768bd9
https://gitlab.com/libtiff/libtiff/-/commit/9ce4d089bcf25496663776d9e6336738112f09a3

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2026-52491), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.