CVE-2024-10550: 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…

PriorityP339high7.5CVSS 3.0

AVNACLPRNUINSUCNINAH

EPSS

0.59%

43.7th percentile

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.

Affected

3 ranges

Vendor	Product	Version range	Fixed in
h2o	h2o	—	—
h2o	h2o	3.30.0.7 – 3.46.0.1	—
h2oai	h2oai_h2o-3	unspecified – latest	—

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