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CVE-2023-26369: Adobe Security Bulletin

Acrobat Reader versions 23.003.20284 (and earlier), 20.005.30516 (and earlier) and 20.005.30514 (and earlier) are affected by an out-of-bounds write vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.

CVE
#vulnerability#mac#windows#apple#ssh

Security update available for Adobe Acrobat and Reader | APSB23-34

Bulletin ID

Date Published

Priority

APSB23-34

September 12, 2023

1

Summary

Adobe has released a security update for Adobe Acrobat and Reader for Windows and macOS. This update addresses a critical vulnerability. Successful exploitation could lead to arbitrary code execution .

Adobe is aware that CVE-2023-26369 has been exploited in the wild in limited attacks targeting Adobe Acrobat and Reader.

Affected Versions

Product

Track

Affected Versions

Platform

Acrobat DC

Continuous

23.003.20284 and earlier versions

Windows & macOS

Acrobat Reader DC

Continuous

23.003.20284 and earlier versions

Windows & macOS

Acrobat 2020

Classic 2020

20.005.30516 (Mac)

20.005.30514 (Win)

and earlier versions

Windows & macOS

Acrobat Reader 2020

Classic 2020

20.005.30516 (Mac)

20.005.30514 (Win)

and earlier versions

Windows & macOS

For questions regarding Acrobat DC, please visit the Acrobat DC FAQ page.

For questions regarding Acrobat Reader DC, please visit the Acrobat Reader DC FAQ page.

Solution

Adobe recommends users update their software installations to the latest versions by following the instructions below.

The latest product versions are available to end users via one of the following methods:

  • Users can update their product installations manually by choosing Help > Check for Updates.

  • The products will update automatically, without requiring user intervention, when updates are detected.

  • The full Acrobat Reader installer can be downloaded from the Acrobat Reader Download Center.

For IT administrators (managed environments):

  • Refer to the specific release note version for links to installers.

  • Install updates via your preferred methodology, such as AIP-GPO, bootstrapper, SCUP/SCCM (Windows), or on macOS, Apple Remote Desktop and SSH.

Adobe categorizes these updates with the following priority ratings and recommends users update their installation to the newest version:

Product

Track

Updated Versions

Platform

Priority Rating

Availability

Acrobat DC

Continuous

23.006.20320

Windows and macOS

1

Release Notes

Acrobat Reader DC

Continuous

23.006.20320

Windows and macOS

1

Release Notes

Acrobat 2020

Classic 2020

20.005.30524

Windows  and macOS

1

Release Notes

Acrobat Reader 2020

Classic 2020

20.005.30524

Windows  and macOS

1

Release Notes

Vulnerability Details

Vulnerability Category

Vulnerability Impact

Severity

CVSS base score

CVSS vector

CVE Number

Out-of-bounds Write (CWE-787)

Arbitrary code execution

Critical

7.8

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CVE-2023-26369

NOTE: Adobe has a private, invite-only, bug bounty program with HackerOne. If you are interested in working with Adobe as an external security researcher, please fill out this form for next steps.

NOTE: Adobe has a private, invite-only, bug bounty program with HackerOne. If you are interested in working with Adobe as an external security researcher, please fill out this form for next steps.

For more information, visit https://helpx.adobe.com/security.html, or email [email protected].

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