CVE-2024-10550

Denial of Service by ReDOS in h2oai/h2o-3

Published: Mar 20, 2025Updated: Jul 14, 2025 Sources: CVE List NVD GHSACWE-1333

7.5HIGH

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.

No summary for this CVE yet.

CVSS Vector Breakdown

Exploitability

AV:NAttack Vector

Network

AC:LAttack Complexity

Low

PR:NPrivileges Required

None

UI:NUser Interaction

None

Scope

S:UScope

Unchanged

Impact

C:NConfidentiality

None

I:NIntegrity

None

A:HAvailability

High

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Weaknesses

CWE-1333

Affected Products

h2o

oss-projectaka quicly, h2o web server, picotls

h2oOn-prem

Networking Infrastructure / load-balancer-proxy

package-ecosystem

package-ecosystem

commercial

h2oai/h2o-3Mixed

AI / ML / ml-framework

Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.

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Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

1 technique

Impact

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References

https://huntr.com/bounties/ef3f4d89-3b8b-4618-b134-cb93c1664ec6

huntr.com

https://nvd.nist.gov/vuln/detail/CVE-2024-10550

nvd.nist.gov

https://github.com/h2oai/h2o-3

github.com

and 1 more references View all →

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