What is CVE-2015-9268?

CVE-2015-9268 is a high-severity vulnerability in Nullsoft Scriptable Install System, classified under Improper Input Validation. CVSS score: 7.8/10. Published 2018-10-01.

How severe is CVE-2015-9268?

High severity. CVSS v3 base score is 7.8 out of 10.

Improper input validation in Nullsoft Scriptable Install System

CVE-2015-9268

Nullsoft Scriptable Install System (NSIS) before 2.49 has unsafe implicit linking against Version.dll. In other words, there is no protection mechanism in which a wrapper function resolves the dependency at an appropriate time during runtime.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

Published 2018-10-01 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.015 (73.9th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 74th percentile — 73.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.015 · newest: 0.015 · change: 0.000

Affected products

Nullsoft Scriptable Install System
Debian Linux — versions 8.0

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

lists.debian.org/debian-lts-announce/2018/11/msg00041.html (mailing-list, Mailing List, Third Party Advisory)
sourceforge.net/p/nsis/bugs/1125/ (Exploit, Patch, Third Party Advisory, Issue Tracking)
jvn.jp/en/jp/JVN68418039/index.html (Third Party Advisory, third-party-advisory)

Frequently asked questions

What is CVE-2015-9268?: CVE-2015-9268 is a high-severity vulnerability in Nullsoft Scriptable Install System, classified under Improper Input Validation. CVSS score: 7.8/10. Published 2018-10-01.
How severe is CVE-2015-9268?: High severity. CVSS v3 base score is 7.8 out of 10.