CVE-2017-1001003
CRITICALCVE-2017-1001003 is a critical-severity (CVSS 9.8) CWE-88 vulnerability in mathjs. O3 Security confirms whether CVE-2017-1001003 is actually reachable in your code before you act, and blocks exploitation at runtime until you patch.
Arbitrary Code Execution in mathjs
Blast Radius
Weekly download volume for affected packages — a proxy for how broadly this vulnerability is deployed.
mathjsnpmDescription
math.js before 3.17.0 had an issue where private properties such as a constructor could be replaced by using unicode characters when creating an object.
Affected Packages
| Ecosystem | Package | Vulnerable range | Fix |
|---|---|---|---|
| 📦npm | mathjs | all versions | 3.17.0 |
Detection & mitigation playbook
Open-source dependencyDetect
Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for mathjs. O3's reachability analysis confirms whether the vulnerable code path is actually invoked in your application, so you act on real exposure instead of every transitive match.
Fix
Update mathjs to 3.17.0 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms CVE-2017-1001003 is resolved across your whole dependency graph.
Workarounds
If you can't upgrade right away: gate or disable the affected feature, validate untrusted input at the boundary, and avoid passing attacker-controlled data into the vulnerable path. O3's runtime protection blocks exploitation in production as an interim safeguard until the upgrade lands.
How O3 protects you
O3 pinpoints whether CVE-2017-1001003 is reachable in your code and exactly where to fix it, then blocks exploitation in production at runtime until the patched version is deployed.
Tailored to CVE-2017-1001003. Runtime protection reduces exposure until a permanent patch is applied and verified — it complements patching, it doesn't replace it.
Frequently Asked Questions
Is CVE-2017-1001003 in your dependencies?
O3 detects CVE-2017-1001003 across npm dependencies and uses function-level reachability to confirm whether the vulnerable code path is actually reachable — not just present. No false positives.