3.3
Advisory Published

ZDI-21-1145: Adobe Acrobat Pro DC getAnnots Type Confusion Information Disclosure Vulnerability

This vulnerability allows remote attackers to disclose sensitive information on affected installations of Adobe Acrobat Pro DC. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the getAnnots method. When parsing the nPage parameter, the process does not properly validate user-supplied data, which can result in a type confusion condition. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of the current process.

Affected SoftwareAffected VersionHow to fix
Adobe Acrobat

Never miss a vulnerability like this again

Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.

Frequently Asked Questions

  • What is the severity of ZDI-21-1145?

    The severity of ZDI-21-1145 is considered critical due to its potential for exposing sensitive information.

  • How do I fix ZDI-21-1145?

    To fix ZDI-21-1145, users should update their Adobe Acrobat Pro DC to the latest version provided by Adobe.

  • What type of attack can exploit ZDI-21-1145?

    ZDI-21-1145 can be exploited through remote attacks that require user interaction, such as visiting a malicious webpage or opening a harmful file.

  • Which versions of Adobe Acrobat Pro DC are affected by ZDI-21-1145?

    ZDI-21-1145 affects specific versions of Adobe Acrobat Pro DC that have not been patched against this vulnerability.

  • Is user interaction required for ZDI-21-1145 exploitation?

    Yes, user interaction is required for ZDI-21-1145 exploitation, as the target must either visit a malicious page or open a malicious file.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2025 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203