CVE-2023-38240: ZDI-CAN-21245: Adobe Acrobat Reader DC Font Parsing Out-Of-Bounds Read Information Disclosure Vulnerability
Adobe Acrobat Reader versions 23.003.20244 (and earlier) and 20.005.30467 (and earlier) are affected by an out-of-bounds read vulnerability that could lead to disclosure of sensitive memory. An attacker could leverage this vulnerability to bypass mitigations such as ASLR. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
Affected Software
Event History
Frequently Asked Questions
What is CVE-2023-38240?
CVE-2023-38240 is an out-of-bounds read vulnerability in Adobe Acrobat Reader versions 23.003.20244 (and earlier) and 20.005.30467 (and earlier) that could lead to disclosure of sensitive memory.
How can an attacker exploit CVE-2023-38240?
An attacker can exploit CVE-2023-38240 to bypass mitigations such as ASLR, potentially leading to the disclosure of sensitive memory.
Which versions of Adobe Acrobat Reader are affected by CVE-2023-38240?
Adobe Acrobat Reader versions 23.003.20244 (and earlier) and 20.005.30467 (and earlier) are affected by CVE-2023-38240.
What is the severity rating of CVE-2023-38240?
CVE-2023-38240 has a severity rating of medium (5.5).
How can I fix CVE-2023-38240?
To fix CVE-2023-38240, it is recommended to update Adobe Acrobat Reader to version 23.003.20269 (or later) or 20.005.30516.10516 (or later).