{"id":"CVE-2021-46243","aliases":["DEBIAN-CVE-2021-46243","EUVD-2021-32943","GHSA-2rqw-mg55-mp69","UBUNTU-CVE-2021-46243"],"status":"published","title":"An untrusted pointer dereference vulnerability exists in HDF5 v1.13.1-1 via the function...","description":"An untrusted pointer dereference vulnerability exists in HDF5 v1.13.1-1 via the function H5O__dtype_decode_helper () at hdf5/src/H5Odtype.c. This vulnerability can lead to a Denial of Service 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Tracking","Third Party Advisory","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-46243"},{"url":"https://github.com/advisories/GHSA-2rqw-mg55-mp69"},{"url":"https://security-tracker.debian.org/tracker/CVE-2021-46243","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2021-46243","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2021-46243","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2021-46243","description":"An untrusted pointer dereference vulnerability exists in HDF5 v1.13.1-1 via the function H5O__dtype_decode_helper () at hdf5/src/H5Odtype.c. This vulnerability can lead to a Denial of Service (DoS).","status":"published","published":"2022-01-21T20:32:57Z","modified":"2024-08-04T05:02:11.182Z","updated_at":"2026-11-02T14:33:03.320536Z"}],"euvd":[{"id":"EUVD-2021-32943","description":"An untrusted pointer dereference vulnerability exists in HDF5 v1.13.1-1 via the function H5O__dtype_decode_helper () at hdf5/src/H5Odtype.c. This vulnerability can lead to a Denial of Service (DoS).","status":"published","published":"2022-01-21T20:32:57Z","modified":"2024-08-04T05:02:11Z","updated_at":"2026-11-03T03:08:24.142295Z"}],"ghsa":[{"id":"GHSA-2rqw-mg55-mp69","title":"An untrusted pointer dereference vulnerability exists in HDF5 v1.13.1-1 via the function...","description":"An untrusted pointer dereference vulnerability exists in HDF5 v1.13.1-1 via the function H5O__dtype_decode_helper () at hdf5/src/H5Odtype.c. This vulnerability can lead to a Denial of Service (DoS).","status":"published","published":"2022-01-22T00:00:19Z","modified":"2023-02-03T05:04:54Z","cwes":["CWE-476"],"updated_at":"2026-11-02T14:53:38.626767Z"}],"nvd":[{"id":"CVE-2021-46243","description":"An untrusted pointer dereference vulnerability exists in HDF5 v1.13.1-1 via the function H5O__dtype_decode_helper () at hdf5/src/H5Odtype.c. This vulnerability can lead to a Denial of Service (DoS).","status":"published","published":"2022-01-21T21:15:08.927Z","modified":"2026-06-17T04:14:40.76Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"},{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-476"],"updated_at":"2026-11-02T14:07:03.821385Z"}],"osv":[{"id":"CVE-2021-46243","description":"An untrusted pointer dereference vulnerability exists in HDF5 v1.13.1-1 via the function H5O__dtype_decode_helper () at hdf5/src/H5Odtype.c. This vulnerability can lead to a Denial of Service (DoS).","status":"published","published":"2022-01-21T21:15:08.927Z","modified":"2026-03-14T11:18:23.367852Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:44:22.18434Z"},{"id":"DEBIAN-CVE-2021-46243","description":"An untrusted pointer dereference vulnerability exists in HDF5 v1.13.1-1 via the function H5O__dtype_decode_helper () at hdf5/src/H5Odtype.c. This vulnerability can lead to a Denial of Service (DoS).","status":"published","published":"2022-01-21T21:15:08.927Z","modified":"2026-10-23T18:04:17.663444939Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:45:35.799676Z"},{"id":"UBUNTU-CVE-2021-46243","description":"An untrusted pointer dereference vulnerability exists in HDF5 v1.13.1-1 via the function H5O__dtype_decode_helper () at hdf5/src/H5Odtype.c. This vulnerability can lead to a Denial of Service (DoS).","status":"published","published":"2022-01-21T21:15:00Z","modified":"2026-11-09T12:49:13.790135222Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-09T13:27:42.046613Z"}]}}