CVE-2021-40759
Adobe After Effects vulnerability analysis and mitigation

Overview

CVE-2021-40759 is a security vulnerability discovered in Adobe After Effects that was disclosed and patched in October 2021. The vulnerability is classified as a critical severity issue involving access of memory location after end of buffer, which could potentially lead to arbitrary code execution (Threatpost, Adobe Security).

Technical details

The vulnerability is categorized under CWE-788 (Access of Memory Location After End of Buffer) and CWE-119 (Improper Restriction of Operations within the Bounds of a Memory Buffer). It received a CVSS score of 7.8, indicating its critical severity level (Threatpost).

Impact

If successfully exploited, this vulnerability could lead to arbitrary code execution, allowing an attacker to execute malicious code in the context of the current process (Threatpost).

Mitigation and workarounds

Adobe addressed this vulnerability as part of an out-of-band security update released in October 2021. The fix was included in a larger security bulletin that addressed multiple vulnerabilities across Adobe products. The update was classified as Priority 3, meaning administrators could patch at their discretion (Threatpost).

Community reactions

The vulnerability was discovered and reported by CQY of Topsec Alpha Team, highlighting the collaborative effort between security researchers and Adobe in identifying and addressing security issues (Adobe Security).

Additional resources


SourceThis report was generated using AI

Related Adobe After Effects vulnerabilities:

CVE ID

Severity

Score

Technologies

Component name

CISA KEV exploit

Has fix

Published date

CVE-2025-54241MEDIUM5.5
  • Adobe After EffectsAdobe After Effects
  • cpe:2.3:a:adobe:after_effects
NoYesSep 09, 2025
CVE-2025-54240MEDIUM5.5
  • Adobe After EffectsAdobe After Effects
  • cpe:2.3:a:adobe:after_effects
NoYesSep 09, 2025
CVE-2025-54239MEDIUM5.5
  • Adobe After EffectsAdobe After Effects
  • cpe:2.3:a:adobe:after_effects
NoYesSep 09, 2025
CVE-2025-47109MEDIUM5.5
  • Adobe After EffectsAdobe After Effects
  • cpe:2.3:a:adobe:after_effects
NoYesJul 08, 2025
CVE-2025-43587MEDIUM5.5
  • Adobe After EffectsAdobe After Effects
  • cpe:2.3:a:adobe:after_effects
NoYesJul 08, 2025

Free Vulnerability Assessment

Benchmark your Cloud Security Posture

Evaluate your cloud security practices across 9 security domains to benchmark your risk level and identify gaps in your defenses.

Request assessment

Get a personalized demo

Ready to see Wiz in action?

"Best User Experience I have ever seen, provides full visibility to cloud workloads."
David EstlickCISO
"Wiz provides a single pane of glass to see what is going on in our cloud environments."
Adam FletcherChief Security Officer
"We know that if Wiz identifies something as critical, it actually is."
Greg PoniatowskiHead of Threat and Vulnerability Management