CVE-2021-40755 Adobe After Effects SGI File Parsing Memory Corruption Arbitrary Code Execution
A memory corruption vulnerability in Adobe After Effects allows arbitrary code execution via a malicious SGI file, requiring user interaction.
- 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-2021-40755?
CVE-2021-40755 is a high-severity memory corruption 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 memory corruption vulnerability due to insecure handling of a malicious SGI file in the DoReadContinue function, potentially resulting in arbitrary code execution in the context of the current user. User interaction is required to exploit this vulnerability.
Which versions are affected by CVE-2021-40755?
It affects 1 product.
Products include Adobe After Effects.
How do I fix CVE-2021-40755?
No fix has been published for CVE-2021-40755 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2021-40755 being exploited?
There is no known exploitation of CVE-2021-40755 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-63qc-2hfh-mjqf.