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
History

Wed, 26 Aug 2026 00:15:00 +0000

Type Values Removed Values Added
Title Heap Buffer Overflow in libtiff YCbCr Conversion libtiff: libtiff: Arbitrary code execution via crafted TIFF image
Weaknesses CWE-787
References
Metrics threat_severity

None

cvssV3_1

{'score': 7.3, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H'}

threat_severity

Important


Mon, 24 Aug 2026 21:45:00 +0000

Type Values Removed Values Added
Title Heap Buffer Overflow in libtiff YCbCr Conversion
First Time appeared Libtiff
Libtiff libtiff
Weaknesses CWE-122
CWE-680
Vendors & Products Libtiff
Libtiff libtiff

Mon, 24 Aug 2026 20:45:00 +0000

Type Values Removed Values Added
Description 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
References

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2026-08-24T00:00:00.000Z

Updated: 2026-08-24T20:29:29.368Z

Reserved: 2026-06-08T00:00:00.000Z

Link: CVE-2026-52492

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-08-24T21:17:19.927

Modified: 2026-08-24T21:17:19.927

Link: CVE-2026-52492

cve-icon Redhat

Severity : Important

Publid Date: 2026-08-24T00:00:00Z

Links: CVE-2026-52492 - Bugzilla