CVE-2026-52492: An integer overflow in the libtiff rgb2ycbcr utility's cvtRaster() function when computing strip buffer sizes can result in an undersized heap allocation and subsequent heap-based buffer overflow during YCbCr conversion of a crafted TIFF image

Overview

Severity

Medium (CVSS 5.3)

CVSS Vector

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

Exploit Status

Not Exploited

Patch Tuesday

2026-Aug

Released

2026-08-27

Last Updated

2026-09-07

EPSS Score

0.19% (percentile: 7.8%)

Affected Products (1)

Other

• 21762-17084

Security Updates (1)

• Security Update

Revision History

• 2026-08-27: Information published.
• 2026-09-07: Information published.