CVE-2025-12418: Potential Denial of Service in Supported Versions of Revenera InstallShield

Severity: medium (CVSS 5.6 v4.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2025-11-07 · updated 2026-10-07
Weakness: CWE-59

Description

Potential Denial of Service issue in all supported versions of Revenera InstallShield version 2025 R1, 2024 R2, 2023 R2, and prior. When e.g., a local administrator performs an uninstall, a symlink may get followed on removal of a user writeable configuration directory and induce a Denial of Service as a result. The issue is resolved through the hotfixes InstallShield2025R1-CVE-2025-12418-SecurityPatch, InstallShield2024R2-CVE-2025-12418-SecurityPatch, and InstallShield2023R2-CVE-2025-12418-SecurityPatch.

Affected products

Revenera InstallShield: from 2023.R1 through 2023.R2; from 2024.R1 through 2024.R2; from 2025.R1 before InstallShield2025R1-CVE-2025-12418-SecurityPatch — fixed in InstallShield2025R1-CVE-2025-12418-SecurityPatch

How to fix

Upgrade to a fixed version: Revenera InstallShield InstallShield2025R1-CVE-2025-12418-SecurityPatch. Check the vendor advisory for mitigations.

References

https://community.revenera.com/s/article/CVE-2025-12418-Potential-Unintended-File-Deletion-Issue-Caused-by-InstallShield-Suite-Uninstallation-Process

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