CVE-2023-26421

Published: Apr 12, 2023Modified: Jun 17, 2026

7.8

Vector

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

Exploitability: 1.8 / Impact: 5.9

Source: psirt@adobe.com (Secondary)

Description

Adobe Acrobat Reader versions 23.001.20093 (and earlier) and 20.005.30441 (and earlier) are affected by an Integer Underflow or Wraparound 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.

Affected (4)

Products: Adobe: Acrobat, Acrobat Dc, Acrobat Reader, Acrobat Reader Dc

4 products

Configuration A

4 vulnerable · 2 platform

Vulnerable Software	Affected Versions
Adobe Acrobat	20.001.3005 ≤ version ≤ 20.005.30441
Adobe Acrobat Dc	15.008.20082 ≤ version ≤ 23.001.20093
Adobe Acrobat Reader	20.001.3005 ≤ version ≤ 20.005.30441
Adobe Acrobat Reader Dc	15.008.20082 ≤ version ≤ 23.001.20093

Running on/with	Platform Versions
Apple Macos	All versions
Microsoft Windows	All versions

Related CWEs

CWE-191

Integer Underflow (Wrap or Wraparound)

The product subtracts one value from another, such that the result is less than the minimum allowable integer value, which produces a value that is not equal to the correct result.

References (2)

https://helpx.adobe.com/security/products/acrobat/apsb23-24.html

Source: psirt@adobe.com

Vendor Advisory

https://helpx.adobe.com/security/products/acrobat/apsb23-24.html

Source: af854a3a-2127-422b-91ae-364da2661108

Vendor Advisory

Timeline

No history available yet.