CVE-2021-40756 Adobe After Effects NULL Pointer Dereference Application Denial of Service
An attacker can cause a denial of service in Adobe After Effects by tricking a user into opening a specially crafted file.
- 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-2021-40756?
CVE-2021-40756 is a medium-severity vulnerability in Adobe After Effects, published on 18 Nov 2021. 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
Adobe After Effects version 18.4.1 (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.
Weakness: CWE-476
Which versions are affected by CVE-2021-40756?
It affects 1 product.
Products include Adobe After Effects.
How do I fix CVE-2021-40756?
No fix has been published for CVE-2021-40756 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-40756 being exploited?
There is no known exploitation of CVE-2021-40756 in the wild and no public exploit code.
Other vulnerabilities in Adobe After Effects
- CVE-2020-3765 Memory corruption in Adobe After Effects
- CVE-2021-28586 Adobe After Effects PDF file parsing out-of-bounds write could lead to remote code execution vulnerability
- CVE-2021-28571 Adobe After Effects improper neutralization of special elements could lead to remote code execution
- CVE-2021-28570 Adobe After Effects uncontrolled search path element vulnerability could lead to remote code execution
- CVE-2026-48274 After Effects | Out-of-bounds Write (CWE-787)
Sources
Also known as GHSA-g7gp-62jw-j6c8.