CVE-2021-40730 — Adobe Acrobat Reader DC JPEG2000 Parsing Use-After-Free Information Disclosure Vulnerability

2026-10-20T08:59:41.591485+00:00

Affected: Adobe Acrobat Reader

Adobe Acrobat Reader DC version 21.007.20095 (and earlier), 21.007.20096 (and earlier), 20.004.30015 (and earlier), and 17.011.30202 (and earlier) is affected by a use-after-free that allow a remote attacker to disclose sensitive information on affected installations of 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 specific flaw exists within the parsing of JPG2000 images.

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CVE-2021-40730 — Adobe Acrobat Reader DC JPEG2000 Parsing Use-After-Free Information Disclosure Vulnerability