cve.bz

CVE-2024-8062

7.5 highEPSS 0.5%

High (7.5) in h2o h2o. EPSS 0.5% chance of exploitation in the next 30 days.

A vulnerability in the typeahead endpoint of h2oai/h2o-3 version 3.46.0 allows for a denial of service. The endpoint performs a `HEAD` request to verify the existence of a specified resource without setting a timeout. An attacker can exploit this by sending multiple requests to an attacker-controlled server that hangs, causing the application to block and become unresponsive to other requests.

Severity

CVSS 3.1

7.5 high
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
0.5% chance of exploitation in the next 30 days; higher than 41% of CVEs (scores of 2026-10-31)
CWE
CWE-1088
Published
Modified
Record from
the NVD, synced

Affected

Packages (OSV)

AdvisoryEcosystemPackageAffectedFixed in
GHSA-5c8j-g96x-cj78PyPIh2o>=3.2.0.1 <=3.46.0no fix published
GHSA-5c8j-g96x-cj78Mavenai.h2o:h2o-core>=3.2.0.1 <=3.46.0no fix published
PYSEC-2026-1438PyPIh2o>=3.2.0.1 <=3.46.0no fix published

References

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