What is CVE-2021-40782?

CVE-2021-40782 is a null pointer dereference vulnerability in Adobe Media Encoder 15.4.1 (and earlier) that can be exploited by an unauthenticated attacker to cause a denial-of-service.

How does CVE-2021-40782 affect Adobe Media Encoder?

CVE-2021-40782 affects Adobe Media Encoder 15.4.1 (and earlier) by causing a null pointer dereference vulnerability, leading to a denial-of-service condition.

What is the severity of CVE-2021-40782?

The severity of CVE-2021-40782 is medium, with a severity value of 5.5.

How can an attacker exploit CVE-2021-40782?

An attacker can exploit CVE-2021-40782 by parsing a specially crafted file to trigger the null pointer dereference vulnerability and cause a denial-of-service.

How can I mitigate CVE-2021-40782?

To mitigate CVE-2021-40782, it is recommended to update Adobe Media Encoder to version 15.4.2 or later, as specified in the Adobe Security Bulletin APSB21-99.

Vulnerability/
CVE-2021-40782

medium

5.5

CWE

476

16/3/2022

22/3/2022

CVE-2021-40782: Null Pointer Dereference

First published: Wed Mar 16 2022(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-2021-40782?
CVE-2021-40782 is a null pointer dereference vulnerability in Adobe Media Encoder 15.4.1 (and earlier) that can be exploited by an unauthenticated attacker to cause a denial-of-service.
How does CVE-2021-40782 affect Adobe Media Encoder?
CVE-2021-40782 affects Adobe Media Encoder 15.4.1 (and earlier) by causing a null pointer dereference vulnerability, leading to a denial-of-service condition.
What is the severity of CVE-2021-40782?
The severity of CVE-2021-40782 is medium, with a severity value of 5.5.
How can an attacker exploit CVE-2021-40782?
An attacker can exploit CVE-2021-40782 by parsing a specially crafted file to trigger the null pointer dereference vulnerability and cause a denial-of-service.
How can I mitigate CVE-2021-40782?
To mitigate CVE-2021-40782, it is recommended to update Adobe Media Encoder to version 15.4.2 or later, as specified in the Adobe Security Bulletin APSB21-99.

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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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