Description
Nullsoft Scriptable Install System (NSIS) before 3.09 mishandles access control for an uninstaller directory.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | nsis | 3.09-1 | — |
| Debian 13 | nsis | 3.09-1 | — |
| Debian 12 | nsis | 3.08-3+deb12u1 | — |
| Debian 11 | nsis | 3.06.1-1+deb11u1 | DLA-3874-1 |
| Debian 10 | nsis | 3.04-1+deb9u1 | DLA-3483-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.10 | nsis | No fix yet | — |
| Ubuntu 26.04 LTS | nsis | No fix yet | — |
| Ubuntu 25.10 | nsis | No fix yet | — |
| Ubuntu 24.04 LTS | nsis | No fix yet | — |
| Ubuntu 22.04 LTS | nsis | No fix yet | — |
Show 4 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 20.04 LTS | nsis | No fix yet | — |
| Ubuntu 18.04 LTS | nsis | No fix yet | — |
| Ubuntu 16.04 LTS | nsis | No fix yet | — |
| Ubuntu Pro 14.04 LTS | nsis | No fix yet | — |
Advisories 4
- DLA-3874-1 nsis - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-3483-1 nsis - security update Debian Security (DSA / DLA) · Mar 9, 2026
- ICSA-23-222-02 Siemens Parasolid Installer CISA ICS & IT advisories · Aug 8, 2023
- SSA-116172 SSA-116172: Nullsoft Scriptable Install System (NSIS) Vulnerability (CVE-2023-37378) in Parasolid Installer Siemens ProductCERT · Aug 8, 2023
References
- http://sf.net/p/nsis/bugs/1296
- https://nsis.sourceforge.io/Docs/AppendixF.html#v3.09
- https://sourceforge.net/p/nsis/news/2023/07/nsis-309-released/
- https://github.com/kichik/nsis/commit/281e2851fe669d10e0650fc89d0e7fb74a598967
- https://github.com/kichik/nsis/commit/409b5841479c44fbf33a6ba97c1146e46f965467
- https://github.com/kichik/nsis/commit/c40cf78994e74a1a3a381a850c996b251e3277c0
- [debian-lts-announce] 20230707 [SECURITY] [DLA 3483-1] nsis security update mailing-list
- FEDORA-2023-dfb6cc599f vendor-advisory
- FEDORA-2023-b9ec99605f vendor-advisory