Out-of-bounds write in Adobe Photoshop - CVE-2021-21047
Published: February 9, 2021
Vulnerability identifier: #VU50521
CSH Severity: High
CVSS v4: 8.4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-21047
CWE-ID: CWE-787
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error when processing Photoshop files. A remote attacker can create a specially crafted file, trick the victim into opening it, trigger an out-of-bounds write error and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Affected software
Adobe Photoshop
How to mitigate CVE-2021-21047
Install updates from vendor's website.
Adobe Photoshop - addressed in versions 21.2.5, 22.2