{"id":"CVE-2024-5979","aliases":["GHSA-58m3-rcvp-f9ww","PYSEC-2026-1437"],"title":"h2o vulnerable to unexpected POST request shutting down server","summary":"h2o vulnerable to unexpected POST request shutting down server","severity":"high","cvss":7.5,"cvssVector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","vendor":"h2o","product":"h2o","ecosystem":"pip","affected":["h2o <= 3.46.0"],"published":"2024-06-27","updated":"2026-07-07","source":"OSV","sourceUrl":"https://osv.dev/vulnerability/GHSA-58m3-rcvp-f9ww","references":[{"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-5979"},{"url":"https://github.com/h2oai/h2o-3/commit/d0899f8e0f7a584b60405a65b1d7b439aaaa55a5"},{"url":"https://github.com/h2oai/h2o-3"},{"url":"https://huntr.com/bounties/d80a2139-fc03-44b7-b739-de41e323b458"}],"tags":["osv","pip"],"epss":0.00794,"epssPercentile":0.54871,"ingestedAt":"2026-07-08T18:25:45.818Z","slug":"CVE-2024-5979","body":"## Overview\n\nIn h2oai/h2o-3 version 3.46.0, the `run_tool` command in the `rapids` component allows the `main` function of any class under the `water.tools` namespace to be called. One such class, `MojoConvertTool`, crashes the server when invoked with an invalid argument, causing a denial of service.\n\n## Affected packages\n\n- `h2o <= 3.46.0`\n\n## Remediation\n\nRefer to the advisory for the patched release.","depth":"twilight","depthScore":41,"depthScoreParts":{"impact":41.3,"likelihood":0.2,"exploitation":0,"ransomware":0},"changes":[]}