ZDI-CAN-31150: ZDI-26-669: Adobe Acrobat Reader DC JBIG2 File Parsing Out-Of-Bounds Read Information Disclosure Vulnerability
This vulnerability allows remote attackers to disclose sensitive information on affected installations of Adobe Acrobat Reader DC. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The ZDI has assigned a CVSS rating of 3.3. The following CVEs are assigned: CVE-2026-81978.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
Adobe Acrobat Reader DCto a version that resolves this vulnerability.Patch ZDI-26-669
Event History
Frequently Asked Questions
What must an attacker do to exploit this issue?
An attacker must persuade the target to visit a malicious page or open a malicious file. The issue is remotely exploitable but requires user interaction.
What is the likely impact if exploitation succeeds?
Successful exploitation can disclose sensitive information from an affected Adobe Acrobat Reader DC installation. The assigned CVSS rating is 3.3.