#VU57299 Use-after-free in Adobe Reader and Adobe Acrobat - CVE-2021-40730
Published: October 12, 2021 / Updated: October 14, 2021
Vulnerability identifier: #VU57299
Vulnerability risk: Low
CVSSv4.0: 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/E:U/U:Clear
CVE-ID: CVE-2021-40730
CWE-ID: CWE-416
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Adobe Reader
Adobe Acrobat
Adobe Reader
Adobe Acrobat
Software vendor:
Adobe
Adobe
Description
The vulnerability allows a remote attacker to gain access to sensitive information.
The vulnerability exists due to a use-after-free error when processing JPG2000 images inside a PDF files. A remote attacker can create a specially crafted PDF file, trick the victim into opening it, trigger a use-after-free error and read contents of memory on the system.
Remediation
Install updates from vendor's website.