{"id":"CVE-2021-46244","aliases":["DEBIAN-CVE-2021-46244","EUVD-2021-32944","GHSA-vrxh-5gxg-rmhm","SUSE-SU-2022:3824-1","SUSE-SU-2022:3825-1","SUSE-SU-2022:3826-1","SUSE-SU-2022:3827-1","SUSE-SU-2022:3828-1","SUSE-SU-2022:3829-1","UBUNTU-CVE-2021-46244"],"status":"published","title":"A Divide By Zero vulnerability exists in HDF5 v1.13.1-1 vis the function H5T__complete_copy () at...","description":"A Divide By Zero vulnerability exists in HDF5 v1.13.1-1 vis the function H5T__complete_copy () at /hdf5/src/H5T.c. 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Tracking","Third Party Advisory","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-46244"},{"url":"https://github.com/advisories/GHSA-vrxh-5gxg-rmhm"},{"url":"https://security-tracker.debian.org/tracker/CVE-2021-46244","tags":["advisory"]},{"url":"https://www.suse.com/support/update/announcement/2022/suse-su-20223824-1/","tags":["advisory"]},{"url":"https://bugzilla.suse.com/1093663","tags":["report"]},{"url":"https://bugzilla.suse.com/1101475","tags":["report"]},{"url":"https://bugzilla.suse.com/1101906","tags":["report"]},{"url":"https://bugzilla.suse.com/1107069","tags":["report"]},{"url":"https://bugzilla.suse.com/1111598","tags":["report"]},{"url":"https://bugzilla.suse.com/1125882","tags":["report"]},{"url":"https://bugzilla.suse.com/1167400","tags":["report"]},{"url":"https://bugzilla.suse.com/1194366","tags":["report"]},{"url":"https://bugzilla.suse.com/1194375","tags":["report"]},{"url":"https://bugzilla.suse.com/1195212","tags":["report"]},{"url":"https://bugzilla.suse.com/1195215","tags":["report"]},{"url":"https://www.suse.com/security/cve/CVE-2018-11205","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-13867","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-14031","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-16438","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-17439","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2019-8396","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-10812","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2021-45830","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2021-45833","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2021-46242","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2021-46244","tags":["web"]},{"url":"https://www.suse.com/support/update/announcement/2022/suse-su-20223825-1/","tags":["advisory"]},{"url":"https://www.suse.com/support/update/announcement/2022/suse-su-20223826-1/","tags":["advisory"]},{"url":"https://www.suse.com/support/update/announcement/2022/suse-su-20223827-1/","tags":["advisory"]},{"url":"https://www.suse.com/support/update/announcement/2022/suse-su-20223828-1/","tags":["advisory"]},{"url":"https://www.suse.com/support/update/announcement/2022/suse-su-20223829-1/","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2021-46244","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2021-46244","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2021-46244","description":"A Divide By Zero vulnerability exists in HDF5 v1.13.1-1 vis the function H5T__complete_copy () at /hdf5/src/H5T.c. This vulnerability causes an aritmetic exception, leading to a Denial of Service (DoS).","status":"published","published":"2022-01-21T20:32:58Z","modified":"2024-08-04T05:02:11.47Z","updated_at":"2026-11-02T14:33:03.320536Z"}],"euvd":[{"id":"EUVD-2021-32944","description":"A Divide By Zero vulnerability exists in HDF5 v1.13.1-1 vis the function H5T__complete_copy () at /hdf5/src/H5T.c. This vulnerability causes an aritmetic exception, leading to a Denial of Service (DoS).","status":"published","published":"2022-01-21T20:32:58Z","modified":"2024-08-04T05:02:11Z","updated_at":"2026-11-03T03:08:24.142295Z"}],"ghsa":[{"id":"GHSA-vrxh-5gxg-rmhm","title":"A Divide By Zero vulnerability exists in HDF5 v1.13.1-1 vis the function H5T__complete_copy () at...","description":"A Divide By Zero vulnerability exists in HDF5 v1.13.1-1 vis the function H5T__complete_copy () at /hdf5/src/H5T.c. This vulnerability causes an aritmetic exception, leading to a Denial of Service (DoS).","status":"published","published":"2022-01-22T00:00:20Z","modified":"2023-02-03T05:05:12Z","cwes":["CWE-369"],"updated_at":"2026-11-02T14:53:41.929217Z"}],"nvd":[{"id":"CVE-2021-46244","description":"A Divide By Zero vulnerability exists in HDF5 v1.13.1-1 vis the function H5T__complete_copy () at /hdf5/src/H5T.c. This vulnerability causes an aritmetic exception, leading to a Denial of Service (DoS).","status":"published","published":"2022-01-21T21:15:08.97Z","modified":"2026-06-17T04:14:40.873Z","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-369"],"updated_at":"2026-11-02T14:07:03.821385Z"}],"osv":[{"id":"CVE-2021-46244","description":"A Divide By Zero vulnerability exists in HDF5 v1.13.1-1 vis the function H5T__complete_copy () at /hdf5/src/H5T.c. This vulnerability causes an aritmetic exception, leading to a Denial of Service (DoS).","status":"published","published":"2022-01-21T21:15:08.97Z","modified":"2026-03-14T11:18:22.637772Z","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-2021-46244","description":"A Divide By Zero vulnerability exists in HDF5 v1.13.1-1 vis the function H5T__complete_copy () at /hdf5/src/H5T.c. This vulnerability causes an aritmetic exception, leading to a Denial of Service (DoS).","status":"published","published":"2022-01-21T21:15:08.97Z","modified":"2026-10-23T18:04:17.470671122Z","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-2021-46244","description":"A Divide By Zero vulnerability exists in HDF5 v1.13.1-1 vis the function H5T__complete_copy () at /hdf5/src/H5T.c. This vulnerability causes an aritmetic exception, leading to a Denial of Service (DoS).","status":"published","published":"2022-01-21T21:15:00Z","modified":"2026-11-06T13:49:16.076237242Z","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":"2026-11-06T14:21:59.241576Z"},{"id":"SUSE-SU-2022:3824-1","title":"Security update for hdf5","description":"This update for hdf5 fixes the following issues:\n\n  - CVE-2021-46244: Fixed division by zero leading to DoS (bsc#1195215).\n  - CVE-2018-13867: Fixed out of bounds read in the function H5F__accum_read in H5Faccum.c (bsc#1101906).\n  - CVE-2018-16438: Fixed out of bounds read in H5L_extern_query at H5Lexternal.c (bsc#1107069).\n  - CVE-2020-10812: Fixed NULL pointer dereference (bsc#1167400).\n  - CVE-2021-45830: Fixed heap buffer overflow vulnerability in H5F_addr_decode_len in /hdf5/src/H5Fint.c (bsc#1194375).\n  - CVE-2019-8396:  Fixed buffer overflow in function H5O__layout_encode in H5Olayout.c (bsc#1125882).\n  - CVE-2018-11205: Fixed out of bounds read was discovered in H5VM_memcpyvv in H5VM.c (bsc#1093663).\n  - CVE-2021-46242: Fixed heap-use-after free via the component H5AC_unpin_entry (bsc#1195212).\n  - CVE-2021-45833: Fixed stack buffer overflow vulnerability (bsc#1194366).\n  - CVE-2018-14031: Fixed heap-based buffer over-read in the function H5T_copy in H5T.c (bsc#1101475).\n  - CVE-2018-17439: Fixed out of bounds read in the function H5F__accum_read in H5Faccum.c (bsc#1111598).\n","status":"published","published":"2022-11-01T07:52:33Z","modified":"2025-05-02T04:29:51.597882Z","updated_at":"2026-11-02T15:53:51.440565Z"},{"id":"SUSE-SU-2022:3825-1","title":"Security update for hdf5","description":"This update for hdf5 fixes the following issues:\n\n  - CVE-2021-46244: Fixed division by zero leading to DoS (bsc#1195215).\n  - CVE-2018-13867: Fixed out of bounds read in the function H5F__accum_read in H5Faccum.c (bsc#1101906).\n  - CVE-2018-16438: Fixed out of bounds read in H5L_extern_query at H5Lexternal.c (bsc#1107069).\n  - CVE-2020-10812: Fixed NULL pointer dereference (bsc#1167400).\n  - CVE-2021-45830: Fixed heap buffer overflow vulnerability in H5F_addr_decode_len in /hdf5/src/H5Fint.c (bsc#1194375).\n  - CVE-2019-8396:  Fixed buffer overflow in function H5O__layout_encode in H5Olayout.c (bsc#1125882).\n  - CVE-2018-11205: Fixed out of bounds read was discovered in H5VM_memcpyvv in H5VM.c (bsc#1093663).\n  - CVE-2021-46242: Fixed heap-use-after free via the component H5AC_unpin_entry (bsc#1195212).\n  - CVE-2021-45833: Fixed stack buffer overflow vulnerability (bsc#1194366).\n  - CVE-2018-14031: Fixed heap-based buffer over-read in the function H5T_copy in H5T.c (bsc#1101475).\n  - CVE-2018-17439: Fixed out of bounds read in the function H5F__accum_read in H5Faccum.c (bsc#1111598).\n","status":"published","published":"2022-11-01T07:53:00Z","modified":"2026-02-04T02:16:36.281192Z","updated_at":"2026-11-02T15:53:51.440565Z"},{"id":"SUSE-SU-2022:3826-1","title":"Security update for hdf5","description":"This update for hdf5 fixes the following issues:\n\n  - CVE-2021-46244: Fixed division by zero leading to DoS (bsc#1195215).\n  - CVE-2018-13867: Fixed out of bounds read in the function H5F__accum_read in H5Faccum.c (bsc#1101906).\n  - CVE-2018-16438: Fixed out of bounds read in H5L_extern_query at H5Lexternal.c (bsc#1107069).\n  - CVE-2020-10812: Fixed NULL pointer dereference (bsc#1167400).\n  - CVE-2021-45830: Fixed heap buffer overflow vulnerability in H5F_addr_decode_len in /hdf5/src/H5Fint.c (bsc#1194375).\n  - CVE-2019-8396:  Fixed buffer overflow in function H5O__layout_encode in H5Olayout.c (bsc#1125882).\n  - CVE-2018-11205: Fixed out of bounds read was discovered in H5VM_memcpyvv in H5VM.c (bsc#1093663).\n  - CVE-2021-46242: Fixed heap-use-after free via the component H5AC_unpin_entry (bsc#1195212).\n  - CVE-2021-45833: Fixed stack buffer overflow vulnerability (bsc#1194366).\n  - CVE-2018-14031: Fixed heap-based buffer over-read in the function H5T_copy in H5T.c (bsc#1101475).\n  - CVE-2018-17439: Fixed out of bounds read in the function H5F__accum_read in H5Faccum.c (bsc#1111598).\n\n","status":"published","published":"2022-11-01T07:53:27Z","modified":"2026-02-04T04:17:27.359872Z","updated_at":"2026-11-02T15:53:51.440565Z"},{"id":"SUSE-SU-2022:3827-1","title":"Security update for hdf5","description":"This update for hdf5 fixes the following issues:\n\n  - CVE-2021-46244: Fixed division by zero leading to DoS (bsc#1195215).\n  - CVE-2018-13867: Fixed out of bounds read in the function H5F__accum_read in H5Faccum.c (bsc#1101906).\n  - CVE-2018-16438: Fixed out of bounds read in H5L_extern_query at H5Lexternal.c (bsc#1107069).\n  - CVE-2020-10812: Fixed NULL pointer dereference (bsc#1167400).\n  - CVE-2021-45830: Fixed heap buffer overflow vulnerability in H5F_addr_decode_len in /hdf5/src/H5Fint.c (bsc#1194375).\n  - CVE-2019-8396:  Fixed buffer overflow in function H5O__layout_encode in H5Olayout.c (bsc#1125882).\n  - CVE-2018-11205: Fixed out of bounds read was discovered in H5VM_memcpyvv in H5VM.c (bsc#1093663).\n  - CVE-2021-46242: Fixed heap-use-after free via the component H5AC_unpin_entry (bsc#1195212).\n  - CVE-2021-45833: Fixed stack buffer overflow vulnerability (bsc#1194366).\n  - CVE-2018-14031: Fixed heap-based buffer over-read in the function H5T_copy in H5T.c (bsc#1101475).\n  - CVE-2018-17439: Fixed out of bounds read in the function H5F__accum_read in H5Faccum.c (bsc#1111598).\n","status":"published","published":"2022-11-01T07:53:45Z","modified":"2026-02-04T03:38:23.186463Z","updated_at":"2026-11-02T15:53:51.440565Z"},{"id":"SUSE-SU-2022:3828-1","title":"Security update for hdf5","description":"This update for hdf5 fixes the following issues:\n\n  - CVE-2021-46244: Fixed division by zero leading to DoS (bsc#1195215).\n  - CVE-2018-13867: Fixed out of bounds read in the function H5F__accum_read in H5Faccum.c (bsc#1101906).\n  - CVE-2018-16438: Fixed out of bounds read in H5L_extern_query at H5Lexternal.c (bsc#1107069).\n  - CVE-2020-10812: Fixed NULL pointer dereference (bsc#1167400).\n  - CVE-2021-45830: Fixed heap buffer overflow vulnerability in H5F_addr_decode_len in /hdf5/src/H5Fint.c (bsc#1194375).\n  - CVE-2019-8396:  Fixed buffer overflow in function H5O__layout_encode in H5Olayout.c (bsc#1125882).\n  - CVE-2018-11205: Fixed out of bounds read was discovered in H5VM_memcpyvv in H5VM.c (bsc#1093663).\n  - CVE-2021-46242: Fixed heap-use-after free via the component H5AC_unpin_entry (bsc#1195212).\n  - CVE-2021-45833: Fixed stack buffer overflow vulnerability (bsc#1194366).\n  - CVE-2018-14031: Fixed heap-based buffer over-read in the function H5T_copy in H5T.c (bsc#1101475).\n  - CVE-2018-17439: Fixed out of bounds read in the function H5F__accum_read in H5Faccum.c (bsc#1111598).\n","status":"published","published":"2022-11-01T07:54:02Z","modified":"2026-02-04T03:27:04.691763Z","updated_at":"2026-11-02T15:53:51.440565Z"},{"id":"SUSE-SU-2022:3829-1","title":"Security update for hdf5","description":"This update for hdf5 fixes the following issues:\n\n  - CVE-2021-46244: Fixed division by zero leading to DoS (bsc#1195215).\n  - CVE-2018-13867: Fixed out of bounds read in the function H5F__accum_read in H5Faccum.c (bsc#1101906).\n  - CVE-2018-16438: Fixed out of bounds read in H5L_extern_query at H5Lexternal.c (bsc#1107069).\n  - CVE-2020-10812: Fixed NULL pointer dereference (bsc#1167400).\n  - CVE-2021-45830: Fixed heap buffer overflow vulnerability in H5F_addr_decode_len in /hdf5/src/H5Fint.c (bsc#1194375).\n  - CVE-2019-8396:  Fixed buffer overflow in function H5O__layout_encode in H5Olayout.c (bsc#1125882).\n  - CVE-2018-11205: Fixed out of bounds read was discovered in H5VM_memcpyvv in H5VM.c (bsc#1093663).\n  - CVE-2021-46242: Fixed heap-use-after free via the component H5AC_unpin_entry (bsc#1195212).\n  - CVE-2021-45833: Fixed stack buffer overflow vulnerability (bsc#1194366).\n  - CVE-2018-14031: Fixed heap-based buffer over-read in the function H5T_copy in H5T.c (bsc#1101475).\n  - CVE-2018-17439: Fixed out of bounds read in the function H5F__accum_read in H5Faccum.c (bsc#1111598).\n","status":"published","published":"2022-11-01T07:54:22Z","modified":"2026-02-04T04:24:28.156436Z","updated_at":"2026-11-02T15:53:51.440565Z"}]}}