{"id":"CVE-2024-7765","aliases":["GHSA-6w62-3jvj-mfj6","PYSEC-2026-1439"],"url":"https://o3.security/vulnerability/CVE-2024-7765","summary":"Denial of Service in h2oai/h2o-3","details":"In h2oai/h2o-3 version 3.46.0.2, a vulnerability exists where uploading and repeatedly parsing a large GZIP file can cause a denial of service. The server becomes unresponsive due to memory exhaustion and a large number of concurrent slow-running jobs. This issue arises from the improper handling of highly compressed data, leading to significant data amplification.","published":"2025-03-20T10:08:46.654Z","modified":"2026-10-28T02:31:10.899665298Z","cvss":{"score":7.5,"severity":"HIGH","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},"epss":{"score":0.0075,"percentile":0.5329,"asOf":"2026-09-17"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Maven","name":"ai.h2o:h2o-core","fixedVersion":null},{"ecosystem":"PyPI","name":"h2o","fixedVersion":null}],"fix":null,"references":[{"type":"WEB","url":"https://huntr.com/bounties/0e58b1a5-bdca-4e60-af92-09de9c76a9ff"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/7xxx/CVE-2024-7765.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2024-7765"},{"type":"PACKAGE","url":"https://github.com/h2oai/h2o-3"},{"type":"WEB","url":"https://github.com/h2oai/h2o-3/blob/7d418fa19d3ab434f742818e37f891bef9102c97/h2o-core/src/main/java/water/parser/ParseDataset.java#L900"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-10-28T02:31:10.899665298Z"}}