Adobe Security Bulletin

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Security Updates Available for Adobe Media Encoder | APSB21-70

Bulletin ID	Date Published	Priority
APSB21-70	August 17, 2021	3

Summary

Adobe has released an update for Adobe Media Encoder.  This update resolves a critical vulnerability that could lead to arbitrary code execution in the context of the current user.                     

Affected Versions

Product	Version	Platform
Adobe Media Encoder	15.4 and earlier versions	Windows and macOS

Solution

Adobe categorizes these updates with the following  priority ratings and recommends users update their installation to the newest version via the Creative Cloud desktop app's update mechanism. For more information, please reference this help page.

Product	Version	Platform	Priority
Adobe Media Encoder	15.4.1	Windows and macOS	3

For managed environments, IT administrators can use the Admin Console to deploy Creative Cloud applications to end users. Refer to this help page for more information.

Vulnerability details

Vulnerability Category	Vulnerability Impact	Severity	CVSS base score	CVSS vector	CVE Numbers
Access of Memory Location After End of Buffer (CWE-788)	Arbitrary code execution	Critical	7.8	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H	CVE-2021-36070
Access of Memory Location After End of Buffer (CWE-788)	Arbitrary code execution	Critical	7.8	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H	CVE-2021-46818
Access of Memory Location After End of Buffer (CWE-788)	Arbitrary code execution	Critical	7.8	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H	CVE-2021-46817

Acknowledgments

Adobe would like to thank  CQY of Topsec Alpha Team (yjdfy) for reporting the relevant issues and for working with Adobe to help protect our customers.

Revisions

June 9, 2022: CVE numbers revised to CVE-2021-46818 and CVE-2021-46817

May 10, 2022: Affected Version Platform revised.

For more information, visit https://helpx.adobe.com/security.html , or email PSIRT@adobe.com