CVE-2026-52491

critical

Description

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

References

https://gitlab.com/libtiff/libtiff/-/commit/9ce4d089bcf25496663776d9e6336738112f09a3

https://gist.github.com/okyfh/5cc53fa67d229017231cf18c91768bd9

Details

Source: Mitre, NVD

Published: 2026-08-25

Updated: 2026-08-25

Risk Information

CVSS v2

Base Score: 7.5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

Severity: High

CVSS v3

Base Score: 9.8

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

Severity: Critical

EPSS

EPSS: 0.0017