CVE-2021-21796

An exploitable use-after-free vulnerability exists in the JavaScript implementation of Nitro Pro PDF. A specially crafted document can cause an object containing the path to a document to be destroyed and then later reused, resulting in a use-after-free vulnerability, which can lead to code execution under the context of the application. An attacker can convince a user to open a document to trigger this vulnerability.

• CWE-416
• CWE-416

• https://talosintelligence.com/vulnerability_reports/TALOS-2021-1265Exploit, Mitigation, Third Party Advisory
• https://talosintelligence.com/vulnerability_reports/TALOS-2021-1265Exploit, Mitigation, Third Party Advisory

Published

Oct 18, 2021

Last Modified

Jun 17, 2026

Status

Modified

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