CVE-2025-45143 string-math's string-math.js vulnerability can cause Regex Denial of Service (ReDoS)
Attackers can cause denial of service in applications using string-math by submitting crafted input that triggers excessive regex processing.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-45143?
CVE-2025-45143 is a high-severity denial of service vulnerability in n/a, published on 30 Jun 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
string-math v1.2.2 was discovered to contain a Regex Denial of Service (ReDoS) which is exploited via a crafted input.
Weakness: CWE-1333
Which versions are affected by CVE-2025-45143?
2 open source packages ship an affected version, including string-math. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
string-math npm | All versions to 1.2.2 | None |
string-math npm | All versions to 1.2.2 | None |
Products include Devrafalko String-Math.
How do I fix CVE-2025-45143?
No fix has been published for CVE-2025-45143 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2025-45143 being exploited?
There is no known exploitation of CVE-2025-45143 in the wild and no public exploit code.
Sources
Also known as GHSA-994j-5c83-r424.