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Zscaler Security Advisories

Security Advisory - September 12, 2023

Zscaler protects against 1 new vulnerability for Adobe Acrobat and Reader

Zscaler, working with Microsoft through their MAPP program, has proactively deployed protection for the following 1 vulnerability included in the September 2023 Adobe security bulletins. Zscaler will continue to monitor exploits associated with all vulnerabilities in the September release and deploy additional protections, as necessary.

APSB23-34 – Security updates available for Adobe Acrobat and Reader.

Adobe has released security updates for Adobe Acrobat and Reader for Windows and macOS. These updates address critical and important vulnerabilities. Successful exploitation could lead to arbitrary code execution.

Affected Software

  • Acrobat DC Continuous 23.003.20284 (Win), 23.003.20284 (Mac) and earlier versions for Windows & macOS
  • Acrobat Reader DC Continuous 23.003.20244 (Win), 23.003.20284 (Mac) and earlier versions for Windows & macOS
  • Acrobat 2020 Classic 2020 20.005.30516 (Mac), 20.005.30514 (Win) and earlier versions for Windows & macOS
  • Acrobat Reader 2020 Classic 2020 20.005.30516 (Mac), 20.005.30514 (Win) and earlier versions for Windows & macOS

CVE-2023-26369 – Out-of-bounds Write vulnerability leading to Arbitrary code execution.

Severity: Critical