Out-of-bounds write in Adobe Reader and Adobe Acrobat - CVE-2023-26369

 

Out-of-bounds write in Adobe Reader and Adobe Acrobat - CVE-2023-26369

Published: September 12, 2023


Vulnerability identifier: #VU80642
CSH Severity: Critical
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-2023-26369
CWE-ID: CWE-787
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 boundary error when processing PDF. A remote attacker can create a specially crafted PDF file, trick the victim into opening it using the affected software, trigger an out-of-bounds write and execute arbitrary code on the target system.

Note, the vulnerability is being actively exploited in the wild.


Affected software

Adobe Reader
Adobe Acrobat

How to mitigate CVE-2023-26369

Install updates from vendor's website.

Adobe Reader - addressed in versions 20.005.30524, 23.006.20320
Adobe Acrobat - addressed in versions 20.005.30524, 23.006.20320

External References

Related Security Bulletins