{"id":"CVE-2020-10809","details":"An issue was discovered in HDF5 through 1.12.0. A heap-based buffer overflow exists in the function Decompress() located in decompress.c. It can be triggered by sending a crafted file to the gif2h5 binary. It allows an attacker to cause Denial of Service.","modified":"2026-05-28T04:04:42.465224878Z","published":"2020-03-22T18:15:14.217Z","related":["SUSE-SU-2022:1903-1","SUSE-SU-2022:1910-1","SUSE-SU-2022:1911-1","SUSE-SU-2022:1912-1","SUSE-SU-2022:1933-1"],"database_specific":{},"references":[{"type":"ADVISORY","url":"https://bitbucket.hdfgroup.org/projects/HDFFV/repos/hdf5/browse/release_docs/RELEASE.txt"},{"type":"EVIDENCE","url":"https://github.com/Loginsoft-Research/hdf5-reports/tree/master/Vuln_1"},{"type":"EVIDENCE","url":"https://research.loginsoft.com/bugs/heap-overflow-in-decompress-c-hdf5-1-13-0/"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/hdfgroup/hdf5","events":[{"introduced":"0"},{"last_affected":"c51aa323fcda89b1f116cdd2c28a8ce0a229e29a"}],"database_specific":{"cpe":"cpe:2.3:a:hdfgroup:hdf5:*:*:*:*:*:*:*:*","source":"CPE_RANGE","extracted_events":[{"introduced":"0"},{"last_affected":"1.12.0"}]}}],"versions":["hdf5-1_12_0-initial","hdf5-1_12_0-alpha1","hdf5-1_12_0-alpha0","hdf5_1_12-initial","vms_last_support_trunk","before_removing_mpiposix_vfd","hdf5-1_9-start","hdf5-1_8_0-beta5","hdf5-1_8_0-beta4","hdf5-1_8_0-beta3","hdf5-1_8_0-beta2","hdf5-1_8_0-beta1","hdf5-1_8_0-alpha4","hdf5-1_8_0-alpha3","hdf5-1_8_0-alpha2","before_removing_fphdf5","before_removing_docs","before_removing_tbbt_code","before_signed_unsigned_changes","hdf5-1_6_2","hdf5-1_6_1","hdf5-1_6_0","hdf5-1_4_0","hdf5-1_4_1","hdf5-1_3_1","hdf5-1_3_0","hdf5-1_2_1","hdf5-1_2_0beta","hdf5-1_2_0-beta1-update2","hdf5-1_2_0","hdf5-1_0_1","hdf5-1_0_0","r1_1beta1","hdf5-1_0_0-alpha2","proto1"],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2020-10809.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"}]}