#VU50535 Out-of-bounds read in Adobe Acrobat and Adobe Reader - CVE-2021-21042
Published: February 9, 2021 / Updated: November 29, 2021
Vulnerability identifier: #VU50535
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/U:Green
CVE-ID: CVE-2021-21042
CWE-ID: CWE-125
Exploitation vector: Remote access
Exploit availability:
Public exploit is available
Vulnerable software:
Adobe Acrobat
Adobe Reader
Adobe Acrobat
Adobe Reader
Software vendor:
Adobe
Adobe
Description
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to a boundary condition. A remote attacker can create a specially crafted file, trick the victim into opening it, trigger out-of-bounds read error and read contents of memory on the system.
Remediation
Install updates from vendor's website.