SB2025120996 - Multiple vulnerabilities in Adobe Acrobat and Reader

Description

This security bulletin contains information about 4 secuirty vulnerabilities.

1) Insecure DLL loading (CVE-ID: CVE-2025-64785)

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to the application loads DLL libraries in an insecure manner. A remote attacker can place a specially crafted .dll file on a remote SMB fileshare, trick the victim into opening a file, associated with the vulnerable application, and execute arbitrary code on victim's system.

2) Out-of-bounds read (CVE-ID: CVE-2025-64899)

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition. A remote attacker can create a specially crafted file, trick the victim into opening it, trigger an out-of-bounds read error and read contents of memory on the system.

3) Improper verification of cryptographic signature (CVE-ID: CVE-2025-64786)

The vulnerability allows a remote attacker to perform MitM attack.

The vulnerability exists due to improper verification of cryptographic signature. A remote attacker can perform MitM attack 

4) Improper Verification of Cryptographic Signature (CVE-ID: CVE-2025-64787)

The vulnerability allows a remote attacker to perform MitM attack.

The vulnerability exists due to improper verification of cryptographic signature. A remote attacker can perform MitM attack 

Remediation

Install update from vendor's website.

References

• https://helpx.adobe.com/security/products/acrobat/apsb25-119.html
• https://www.zerodayinitiative.com/advisories/ZDI-25-1043/