nsis: Nullsoft Scriptable Install System (NSIS) before 3.11 on Windows allows local users to escalate privileges to SYSTEM...
CVE-2025-43715 is fixed in nsis on 1 platform, first by DEBIAN-CVE-2025-43715, released April 17, 2025. It is not reported as exploited. Patch Radar priority: High.
Nullsoft Scriptable Install System (NSIS) before 3.11 on Windows allows local users to escalate privileges to SYSTEM during an installation, because the temporary plugins directory is created under %WINDIR%\temp and unprivileged users can place a crafted executable file by winning a race condition. This occurs because EW_CREATEDIR does not always set the CreateRestrictedDirectory error flag.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| nsis · Debian 13.5 (trixie) | 3.11-1 | DEBIAN-CVE-2025-43715 | Apr 17, 2025 |
| nsis · Debian 14 | 3.11-1 | DEBIAN-CVE-2025-43715 | Apr 17, 2025 |
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