CVE-2026-21355 DNG SDK | Out-of-bounds Read (CWE-125)

Medium 5.5 Published Updated

An out-of-bounds read in Adobe DNG SDK allows attackers to disclose sensitive memory information by tricking users into opening malicious files.

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
None listed

What is CVE-2026-21355?

CVE-2026-21355 is a medium-severity vulnerability in Adobe DNG Software Development Kit (SDK), published on 10 Feb 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

DNG SDK versions 1.7.1 2410 and earlier are affected by an out-of-bounds read vulnerability that could lead to memory exposure. An attacker could leverage this vulnerability to disclose sensitive information stored in memory. Exploitation of this issue requires user interaction in that a victim must open a malicious file.

Weakness: CWE-125

Which versions are affected by CVE-2026-21355?

It affects 1 product.

Products include Adobe Dng Software Development Kit.

How do I fix CVE-2026-21355?

No fix has been published for CVE-2026-21355 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-21355 being exploited?

There is no known exploitation of CVE-2026-21355 in the wild and no public exploit code.

Sources

Also known as GHSA-fhmv-fv92-95j3.

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