Out-of-bounds read in Adobe Photoshop - CVE-2021-42734
Published: October 27, 2021 / Updated: March 3, 2022
Vulnerability identifier: #VU57681
CSH Severity: Low
CVSS v4: 4.6 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-42734
CWE-ID: CWE-125
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to a boundary condition within the parsing of TIF files. A remote attacker can create a specially crafted TIF file, trick the victim into opening it, trigger out-of-bounds read error and read contents of memory on the system.
Affected software
Adobe Photoshop
How to mitigate CVE-2021-42734
Install updates from vendor's website.
Adobe Photoshop - update to 22.5.2