CVE-2023-4316 Zod 3.22.2 - Regular expression Denial of Service
An attacker can cause a denial of service by submitting specially crafted email strings to the Zod validation library.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2023-4316?
CVE-2023-4316 is a high-severity denial of service vulnerability in Zod, published on 28 Sep 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Zod in versions 3.21.0 up to and including 3.22.3 allows an attacker to perform a denial of service while validating emails.
Weakness: CWE-1333
Which versions are affected by CVE-2023-4316?
2 open source packages ship an affected version, including zod. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
zod npm | All versions | 3.22.3 |
zod npm | All versions | 3.22.3 |
Products include Zod Zod.
How do I fix CVE-2023-4316?
Upgrade zod to 3.22.3 or later.
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-2023-4316 being exploited?
There is no known exploitation of CVE-2023-4316 in the wild and no public exploit code.
Sources
Also known as CLSA-2026-1782867616, GHSA-m95q-7qp3-xv42.