CVE-2026-4775: Libtiff: libtiff: arbitrary code execution or denial of service via signed integer overflow in tiff file processing

Overview

Severity

High (CVSS 7.8)

CVSS Vector

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

Exploit Status

Not Exploited

Patch Tuesday

2026-Mar

Released

2026-03-27

EPSS Score

0.06% (percentile: 17.5%)

Affected Products (2)

Other

• 21078-17086
• 21079-17084

Revision History

• 2026-03-27: Information published.