What is CVE-2021-40778?

CVE-2021-40778 is a vulnerability in Adobe Media Encoder 15.4.1 (and earlier) that allows an unauthenticated attacker to cause a denial-of-service by exploiting a Null pointer dereference vulnerability.

How does CVE-2021-40778 affect Adobe Media Encoder?

CVE-2021-40778 affects Adobe Media Encoder versions 15.4.1 and earlier.

What is the severity of CVE-2021-40778?

The severity of CVE-2021-40778 is medium, with a CVSS score of 5.5.

Can an attacker exploit CVE-2021-40778 remotely?

Yes, an unauthenticated attacker can exploit CVE-2021-40778 remotely.

Is there a fix for CVE-2021-40778?

Yes, Adobe has released a security update to address CVE-2021-40778. It is recommended to update to the latest version of Adobe Media Encoder.

Vulnerability/
CVE-2021-40778

medium

5.5

CWE

476

26/10/2021

4/8/2024

CVE-2021-40778: Adobe Media Encoder Null Pointer Dereference Application denial-of-service

First published: Tue Oct 26 2021(Updated: )

Adobe Media Encoder 15.4.1 (and earlier) is affected by a Null pointer dereference vulnerability when parsing a specially crafted file. An unauthenticated attacker could leverage this vulnerability to achieve an application denial-of-service in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.

Credit: psirt@adobe.com

Affected Software	Affected Version	How to fix
Adobe Media Encoder	<=15.4.1
Apple macOS
Microsoft Windows

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Reference Links

https://helpx.adobe.com/security/products/media-encoder/apsb21-99.html

Frequently Asked Questions

What is CVE-2021-40778?
CVE-2021-40778 is a vulnerability in Adobe Media Encoder 15.4.1 (and earlier) that allows an unauthenticated attacker to cause a denial-of-service by exploiting a Null pointer dereference vulnerability.
How does CVE-2021-40778 affect Adobe Media Encoder?
CVE-2021-40778 affects Adobe Media Encoder versions 15.4.1 and earlier.
What is the severity of CVE-2021-40778?
The severity of CVE-2021-40778 is medium, with a CVSS score of 5.5.
Can an attacker exploit CVE-2021-40778 remotely?
Yes, an unauthenticated attacker can exploit CVE-2021-40778 remotely.
Is there a fix for CVE-2021-40778?
Yes, Adobe has released a security update to address CVE-2021-40778. It is recommended to update to the latest version of Adobe Media Encoder.

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vendor/adobe
canonical/adobe media encoder
version/adobe media encoder/15.4.1
vendor/apple
canonical/apple macos
vendor/microsoft
canonical/microsoft windows

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