CVE-2026-52492 Integer overflow in n/a

High 7.8 Published Updated

An integer overflow in libtiff's rgb2ycbcr utility allows heap-based buffer overflows via crafted TIFF images, potentially leading to code execution or denial of service.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Local or same network only
Victim action needed
A user has to click or open something
Fix
Available

What is CVE-2026-52492?

CVE-2026-52492 is a high-severity vulnerability in n/a, published on 24 Aug 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official 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

Weakness: CWE-190

Which versions are affected by CVE-2026-52492?

How do I fix CVE-2026-52492?

Apply the vendor's patch.

Is CVE-2026-52492 being exploited?

There is no known exploitation of CVE-2026-52492 in the wild and no public exploit code.

Sources

Also known as AZL-97923, DEBIAN-CVE-2026-52492, ECHO-5c91-3248-6666, GHSA-c22p-2vpj-rh5j.

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