Adobe Security Bulletin

Last updated on 25 Aug 2021

Security Updates Available for Adobe Media Encoder | APSB21-43

Bulletin ID	Date Published	Priority
APSB21-43	July 20, 2021	3

Summary

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

Affected Versions

Product	Version	Platform
Adobe Media Encoder	15.2 and earlier versions	Windows

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	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
Out-of-bounds Read (CWE-125)	Memory leak	Moderate	7.8	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H	CVE-2021-28589 CVE-2021-28590 CVE-2021-36013
Improper Input Validation (CWE-20)	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-2021-36014
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-2021-36015
Out-of-bounds Read (CWE-125)	Arbitrary file system read	Moderate	3.3	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N	CVE-2021-36016

Acknowledgments

Adobe would like to thank the following for reporting the relevant issues and for working with Adobe to help protect our customers:

CQY of Topsec Alpha Team (yjdfy) (CVE-2021-36015)
Mat Powell of Trend Micro Zero Day Initiative (CVE-2021-36016, CVE-2021-36014, CVE-2021-36015)
Zhangyang (retoor) (CVE-2021-28590, CVE-2021-36013, CVE-2021-28589, CVE-2021-36060)

Revisions

July 29, 2021: Updated the Vulnerability Impact, Severity, CVSS base score and the CVSS vector for CVE-2021-36016, CVE-2021-36014, CVE-2021-28589, CVE-2021-36013 and CVE-2021-28590

August 5, 2021: Included details about CVE-2021-36060.

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

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