Use-after-free in Adobe Reader and Adobe Acrobat - CVE-2020-9715

 

Use-after-free in Adobe Reader and Adobe Acrobat - CVE-2020-9715

Published: August 11, 2020 / Updated: April 13, 2026


Vulnerability identifier: #VU45512
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-2020-9715
CWE-ID: CWE-416
Exploitation vector: Remote access
Exploit availability: The vulnerability is being exploited in the wild

Vulnerability details

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error when processing 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 execute arbitrary code on the system.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.


Affected software

Adobe Reader
Adobe Acrobat

How to mitigate CVE-2020-9715

Install updates from vendor's website.

Adobe Reader - addressed in versions 15.006.30527, 17.011.30175, 20.001.30005, 20.012.20041
Adobe Acrobat - addressed in versions 15.006.30527, 17.011.30175, 20.001.30005, 20.012.20041

Links to Public Exploits and PoC-codes

External References

Related Security Bulletins