CVE-2024-10550
High
Description
A vulnerability in the `/3/ParseSetup` endpoint of h2oai/h2o-3 version 3.46.0.1 allows for a denial of service (DoS) attack. The endpoint applies a user-specified regular expression to a user-controllable string. This can be exploited by an attacker to cause inefficient regular expression complexity, leading to the exhaustion of server resources and making the server unresponsive.
SeverityHigh
CVSS7.5
Exploit probability—
Product
H2o
PublishedMar 20, 2025
First seenMar 20, 2025
Weakness typeCWE-1333CWE-1333
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| h2o h2o | 3.46.0.1 | — |
| h2oPyPI | 3.30.0.7 ≤ v ≤ 3.46.0.1 | — |
| ai.h2o:h2o-coreMaven | 3.30.0.7 ≤ v ≤ 3.46.0.1 | — |
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