September 30, 2023

Following Microsoft, Adobe has patched 41 vulnerabilities in Windows and macOS versions of Acrobat and Reader products, Illustrator, Adobe Bridge, InCopy, and InDesign.


A total of 26 flaws in Acrobat and Reader, the most severe ones are remote code execution (RCE).An attacker can exploit vulnerabilities by tricking the victim into opening a specially crafted PDF.

The four critical vulnerabilities that were demonstrated at the Chinese Tianfu Cup hacking contest are CVE-2021-44704, CVE-2021-44705, CVE-2021-44706, and CVE-2021-44707 (CVSS base score 7.8). Other flaws in Acrobat and Reader can be exploited by attackers for privilege escalation, bypassing security features, triggering a DoS condition, and retrieving data from memory.


Security updates has been released for InCopy that address three Critical-rated RCE flaws and one Important-rated privilege escalation issue. The updates for InDesign fixes two Critical-rated Out-of-bounds (OOB) Write flaws that could be exploited to execute arbitrary code on vulnerable systems and a Moderate Use-After-Free privilege escalation. The update for Bridge addresses six flaws, one of them in OOB Write is rated as Critical. The company also fixed two OOB Read bugs in Illustrator.

The company said that it is not aware of attacks in the wild exploiting the above issues.

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