CVE-2025-47112: Adobe Acrobat DC Information Disclosure

CVE-2025-47112 Overview

CVE-2025-47112 is an out-of-bounds read vulnerability affecting Adobe Acrobat Reader and Adobe Acrobat DC products. This memory disclosure flaw allows attackers to read sensitive memory contents beyond intended buffer boundaries, potentially enabling bypass of critical security mitigations such as Address Space Layout Randomization (ASLR). Successful exploitation requires user interaction—specifically, the victim must open a maliciously crafted PDF file.

Critical Impact

Exploitation of this vulnerability can lead to disclosure of sensitive memory contents and bypass of ASLR protection, potentially enabling further exploitation chains against affected systems.

Affected Products

• Adobe Acrobat DC (Continuous) versions 24.001.30235 and earlier
• Adobe Acrobat Reader DC (Continuous) versions 24.001.30235 and earlier
• Adobe Acrobat (Classic) versions 20.005.30763 and earlier
• Adobe Acrobat Reader (Classic) versions 25.001.20521 and earlier
• Affected on Microsoft Windows and Apple macOS platforms

Discovery Timeline

• June 10, 2025 - CVE-2025-47112 published to NVD
• July 25, 2025 - Last updated in NVD database

Technical Details for CVE-2025-47112

Vulnerability Analysis

This vulnerability is classified as CWE-125 (Out-of-Bounds Read), a memory corruption class vulnerability where the application reads data past the end or before the beginning of an intended buffer. In the context of Adobe Acrobat products, this flaw allows an attacker to craft a malicious PDF document that, when opened by a victim, triggers the out-of-bounds read condition.

The disclosed memory contents can reveal critical memory addresses and layout information. This information is particularly valuable to attackers because it can be used to defeat ASLR—a fundamental security mitigation that randomizes the memory addresses used by system and application processes. With ASLR bypassed, attackers can more reliably craft exploits for other vulnerabilities that may exist in the system or application.

The local attack vector with required user interaction limits the immediate exploitability of this vulnerability, but social engineering attacks via email attachments or malicious web downloads remain viable delivery mechanisms for weaponized PDF files.

Root Cause

The root cause is improper bounds checking when processing certain data structures within PDF files. The application fails to properly validate buffer boundaries before performing read operations, allowing memory access outside the intended allocation. This type of vulnerability commonly occurs in complex document parsers where multiple data types and structures must be processed, and validation logic does not account for all edge cases or malformed input.

Attack Vector

Exploitation requires local access and user interaction. The attack flow involves:

1. An attacker crafts a malicious PDF file containing specially structured data designed to trigger the out-of-bounds read condition
2. The malicious PDF is delivered to the victim via email attachment, malicious website download, or file sharing platforms
3. The victim opens the PDF file using a vulnerable version of Adobe Acrobat or Acrobat Reader
4. Upon parsing the malicious content, the application reads memory beyond intended boundaries
5. Sensitive memory information is disclosed, potentially revealing memory layout details that can be used to bypass ASLR

The vulnerability mechanism involves malformed data structures within the PDF that cause the parser to calculate incorrect buffer offsets or sizes. When the application subsequently attempts to read data based on these corrupted values, it accesses memory outside the legitimate buffer boundaries. Technical details are available in the Adobe Security Advisory APSB25-57.

Detection Methods for CVE-2025-47112

Indicators of Compromise

• Unexpected crashes or abnormal behavior in Adobe Acrobat or Acrobat Reader processes
• PDF files from untrusted sources with unusual internal structure or excessive embedded objects
• Acrobat processes attempting to access memory regions outside normal operational boundaries
• Suspicious PDF attachments received via email from unknown senders

Detection Strategies

• Deploy endpoint detection and response (EDR) solutions capable of monitoring Adobe Acrobat process behavior for memory access anomalies
• Implement email security gateways with PDF scanning capabilities to detect potentially malicious document structures
• Enable Protected View mode in Adobe Acrobat products to sandbox PDF rendering and limit exploitation impact
• Monitor for exploitation attempts using behavioral detection rules targeting out-of-bounds memory access patterns

Monitoring Recommendations

• Audit Adobe Acrobat and Reader installations across the enterprise to identify vulnerable versions
• Monitor endpoint telemetry for unusual PDF file activity, particularly from email clients and web browsers
• Implement logging for Adobe product process crashes and exceptions that may indicate exploitation attempts
• Track user reports of suspicious PDF files or unexpected application behavior when opening documents

How to Mitigate CVE-2025-47112

Immediate Actions Required

• Update Adobe Acrobat DC and Acrobat Reader DC to version 24.001.30236 or later immediately
• Update Adobe Acrobat and Reader Classic track installations to the latest patched versions
• Enable Protected View for all PDF files from untrusted sources
• Block or quarantine suspicious PDF attachments at the email gateway until systems are patched

Patch Information

Adobe has released security updates addressing this vulnerability as documented in Security Bulletin APSB25-57. Organizations should apply these updates through their standard patch management processes. The updates are available for both Windows and macOS platforms and cover both the Continuous and Classic release tracks.

For enterprise deployments, administrators can use Adobe Admin Console or third-party patch management solutions to deploy updates across managed endpoints. Priority should be given to systems where users regularly handle PDF files from external sources.

Workarounds

• Enable Protected View in Adobe Acrobat: Navigate to Edit > Preferences > Security (Enhanced) and enable "Files from potentially unsafe locations"
• Configure email security to strip or quarantine PDF attachments from external senders pending security review
• Restrict PDF file opening to sandboxed environments or virtual machines for untrusted documents
• Consider using alternative PDF readers for untrusted documents until patches are applied
• Disable JavaScript in Adobe Acrobat (Edit > Preferences > JavaScript) to reduce attack surface

# Windows Registry: Enable Protected View for files from the internet
reg add "HKCU\Software\Adobe\Adobe Acrobat\DC\TrustManager" /v bEnableProtectedModeForFilesFromInternet /t REG_DWORD /d 1 /f

# Verify Adobe Acrobat version on Windows
reg query "HKLM\SOFTWARE\Adobe\Adobe Acrobat\DC\Installer" /v InstallPath