{"id":"CVE-2021-20298","aliases":["CLSA-2026-1788167338","DEBIAN-CVE-2021-20298","DLA-3236-1","EUVD-2021-7723","GHSA-c8fj-ggrc-c3hc","OESA-2022-1884","OESA-2022-1885","SUSE-SU-2021:14846-1","SUSE-SU-2021:2793-1","SUSE-SU-2021:2913-1","UBUNTU-CVE-2021-20298","openSUSE-SU-2021:1198-1","openSUSE-SU-2021:2793-1"],"status":"published","title":"A flaw was found in OpenEXR's B44Compressor. This flaw allows an attacker who can submit a...","description":"A flaw was found in OpenEXR's B44Compressor. This flaw allows an attacker who can submit a crafted file to be processed by OpenEXR, to exhaust all memory accessible to the application. 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flaw was found in OpenEXR's B44Compressor. This flaw allows an attacker who can submit a crafted file to be processed by OpenEXR, to exhaust all memory accessible to the application. The highest threat from this vulnerability is to system availability.","status":"published","published":"2022-08-23T00:00:00Z","modified":"2024-08-03T17:37:23.785Z","cwes":["CWE-400"],"updated_at":"2026-11-02T14:32:55.905855Z"}],"euvd":[{"id":"EUVD-2021-7723","description":"A flaw was found in OpenEXR's B44Compressor. This flaw allows an attacker who can submit a crafted file to be processed by OpenEXR, to exhaust all memory accessible to the application. The highest threat from this vulnerability is to system availability.","status":"published","published":"2022-08-23T00:00:00Z","modified":"2024-08-03T17:37:23Z","updated_at":"2026-11-03T03:25:08.888273Z"}],"ghsa":[{"id":"GHSA-c8fj-ggrc-c3hc","title":"A flaw was found in OpenEXR's B44Compressor. This flaw allows an attacker who can submit a...","description":"A flaw was found in OpenEXR's B44Compressor. This flaw allows an attacker who can submit a crafted file to be processed by OpenEXR, to exhaust all memory accessible to the application. The highest threat from this vulnerability is to system availability.","status":"published","published":"2022-08-24T00:00:29Z","modified":"2023-01-27T05:05:29Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:42:42.467243Z"}],"nvd":[{"id":"CVE-2021-20298","description":"A flaw was found in OpenEXR's B44Compressor. This flaw allows an attacker who can submit a crafted file to be processed by OpenEXR, to exhaust all memory accessible to the application. The highest threat from this vulnerability is to system availability.","status":"published","published":"2022-08-23T16:15:09.02Z","modified":"2026-06-17T03:33:37.787Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary"}],"cwes":["CWE-400","CWE-787"],"updated_at":"2026-11-02T14:07:06.906968Z"}],"osv":[{"id":"CVE-2021-20298","description":"A flaw was found in OpenEXR's B44Compressor. This flaw allows an attacker who can submit a crafted file to be processed by OpenEXR, to exhaust all memory accessible to the application. The highest threat from this vulnerability is to system availability.","status":"published","published":"2022-08-23T16:15:09.02Z","modified":"2026-10-24T14:51:03.753879744Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:44:18.004149Z"},{"id":"DEBIAN-CVE-2021-20298","description":"A flaw was found in OpenEXR's B44Compressor. This flaw allows an attacker who can submit a crafted file to be processed by OpenEXR, to exhaust all memory accessible to the application. The highest threat from this vulnerability is to system availability.","status":"published","published":"2022-08-23T16:15:09.02Z","modified":"2026-10-23T18:03:10.472838498Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:45:34.637046Z"},{"id":"OESA-2022-1884","title":"OpenEXR security update","description":"OpenEXR is a high dynamic-range (HDR) image file format originally developed by Industrial Light \u0026amp; Magic for use in computer imaging applications.\r\n\r\nSecurity Fix(es):\r\n\r\nA flaw was found in OpenEXR\u0026apos;s B44Compressor. This flaw allows an attacker who can submit a crafted file to be processed by OpenEXR, to exhaust all memory accessible to the application. The highest threat from this vulnerability is to system availability.(CVE-2021-20298)","status":"published","published":"2022-09-02T11:05:09Z","modified":"2026-08-18T01:17:17.128755867Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:52:39.528805Z"},{"id":"OESA-2022-1885","title":"OpenEXR security update","description":"OpenEXR is a high dynamic-range (HDR) image file format originally developed by Industrial Light \u0026amp; Magic for use in computer imaging applications.\r\n\r\nSecurity Fix(es):\r\n\r\nA flaw was found in OpenEXR\u0026apos;s B44Compressor. This flaw allows an attacker who can submit a crafted file to be processed by OpenEXR, to exhaust all memory accessible to the application. The highest threat from this vulnerability is to system availability.(CVE-2021-20298)","status":"published","published":"2022-09-02T11:05:09Z","modified":"2026-08-18T01:17:17.106731054Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:52:39.528805Z"},{"id":"UBUNTU-CVE-2021-20298","description":"A flaw was found in OpenEXR's B44Compressor. This flaw allows an attacker who can submit a crafted file to be processed by OpenEXR, to exhaust all memory accessible to the application. The highest threat from this vulnerability is to system availability.","status":"published","published":"2022-08-23T16:15:00Z","modified":"2026-05-08T12:25:10.900243Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:54:25.728622Z"},{"id":"CLSA-2026-1788167338","title":"Fix CVE(s): CVE-2021-20298, CVE-2021-20299, CVE-2021-20304","description":"   * SECURITY UPDATE: Memory exhaustion in the B44 compressor\n     - debian/patches/CVE-2021-20298.patch: size _tmpBuffer in elements\n       rather than bytes in IlmImf/ImfB44Compressor.cpp.\n     - CVE-2021-20298\n   * SECURITY UPDATE: Null dereference on multipart files with no parts\n     - debian/patches/CVE-2021-20299.patch: require at least one header in\n       IlmImf/ImfMultiPartInputFile.cpp.\n     - CVE-2021-20299\n   * SECURITY UPDATE: Undefined right shift in hufDecode\n     - debian/patches/CVE-2021-20304.patch: reject over-long Huffman code\n       lengths in IlmImf/ImfHuf.cpp.\n     - CVE-2021-20304","status":"published","published":"2026-08-31T09:09:11Z","modified":"2026-10-26T09:32:04.227753483Z","updated_at":"2026-11-02T15:43:47.591214Z"},{"id":"DLA-3236-1","title":"openexr - security update","status":"published","published":"2022-12-12T00:00:00Z","modified":"2026-03-09T01:21:37.851393Z","updated_at":"2026-11-02T15:46:11.734021Z"},{"id":"openSUSE-SU-2021:1198-1","title":"Security update for openexr","description":"This update for openexr fixes the following issues:\n\n- CVE-2021-20298 [bsc#1188460]: Fixed Out-of-memory in B44Compressor\n- CVE-2021-20299 [bsc#1188459]: Fixed Null-dereference READ in Imf_2_5:Header:operator\n- CVE-2021-20300 [bsc#1188458]: Fixed Integer-overflow in Imf_2_5:hufUncompress\n- CVE-2021-20302 [bsc#1188462]: Fixed Floating-point-exception in Imf_2_5:precalculateTileInfot\n- CVE-2021-20303 [bsc#1188457]: Fixed Heap-buffer-overflow in Imf_2_5::copyIntoFrameBuffer\n- CVE-2021-20304 [bsc#1188461]: Fixed Undefined-shift in Imf_2_5:hufDecode\n\nThis update was imported from the SUSE:SLE-15:Update update project.","status":"published","published":"2021-08-25T19:51:46Z","modified":"2026-02-04T04:39:28.367883Z","updated_at":"2026-11-02T16:58:32.266854Z"},{"id":"openSUSE-SU-2021:2793-1","title":"Security update for openexr","description":"This update for openexr fixes the following issues:\n\n- CVE-2021-20298 [bsc#1188460]: Fixed Out-of-memory in B44Compressor\n- CVE-2021-20299 [bsc#1188459]: Fixed Null-dereference READ in Imf_2_5:Header:operator\n- CVE-2021-20300 [bsc#1188458]: Fixed Integer-overflow in Imf_2_5:hufUncompress\n- CVE-2021-20302 [bsc#1188462]: Fixed Floating-point-exception in Imf_2_5:precalculateTileInfot\n- CVE-2021-20303 [bsc#1188457]: Fixed Heap-buffer-overflow in Imf_2_5::copyIntoFrameBuffer\n- CVE-2021-20304 [bsc#1188461]: Fixed Undefined-shift in Imf_2_5:hufDecode\n","status":"published","published":"2021-08-20T08:23:19Z","modified":"2026-02-04T03:28:15.716771Z","updated_at":"2026-11-02T16:58:32.266854Z"},{"id":"SUSE-SU-2021:14846-1","title":"Security update for OpenEXR","description":"This update for OpenEXR fixes the following issues:\n\n- CVE-2021-20298: Fixed out-of-memory in B44Compressor (bsc#1188460).\n- CVE-2021-20300: Fixed integer-overflow in Imf_2_5:hufUncompress (bsc#1188458).\n- CVE-2021-20303: Fixed heap-buffer-overflow in Imf_2_5::copyIntoFrameBuffe (bsc#1188457).\n- CVE-2021-20304: Fixed undefined-shift in Imf_2_5:hufDecode (bsc#1188461).\n- CVE-2021-3941: Fixed divide-by-zero in Imf_3_1:RGBtoXYZ (bsc#1192556).\n","status":"published","published":"2021-12-01T15:50:02Z","modified":"2026-02-04T02:43:28.674478Z","updated_at":"2026-11-02T15:53:49.138643Z"},{"id":"SUSE-SU-2021:2793-1","title":"Security update for openexr","description":"This update for openexr fixes the following issues:\n\n- CVE-2021-20298 [bsc#1188460]: Fixed Out-of-memory in B44Compressor\n- CVE-2021-20299 [bsc#1188459]: Fixed Null-dereference READ in Imf_2_5:Header:operator\n- CVE-2021-20300 [bsc#1188458]: Fixed Integer-overflow in Imf_2_5:hufUncompress\n- CVE-2021-20302 [bsc#1188462]: Fixed Floating-point-exception in Imf_2_5:precalculateTileInfot\n- CVE-2021-20303 [bsc#1188457]: Fixed Heap-buffer-overflow in Imf_2_5::copyIntoFrameBuffer\n- CVE-2021-20304 [bsc#1188461]: Fixed Undefined-shift in Imf_2_5:hufDecode\n","status":"published","published":"2021-08-20T08:23:54Z","modified":"2026-02-04T02:21:59.678737Z","updated_at":"2026-11-02T15:53:49.605187Z"},{"id":"SUSE-SU-2021:2913-1","title":"Security update for openexr","description":"This update for openexr fixes the following issues:\n\n- CVE-2021-20298 [bsc#1188460]: Fixed Out-of-memory in B44Compressor\n- CVE-2021-20299 [bsc#1188459]: Fixed Null-dereference READ in Imf_2_5:Header:operator\n- CVE-2021-20300 [bsc#1188458]: Fixed Integer-overflow in Imf_2_5:hufUncompress\n- CVE-2021-20302 [bsc#1188462]: Fixed Floating-point-exception in Imf_2_5:precalculateTileInfot\n- CVE-2021-20303 [bsc#1188457]: Fixed Heap-buffer-overflow in Imf_2_5::copyIntoFrameBuffer\n- CVE-2021-20304 [bsc#1188461]: Fixed Undefined-shift in Imf_2_5:hufDecode\n","status":"published","published":"2021-09-02T07:53:43Z","modified":"2026-02-04T02:34:06.485095Z","updated_at":"2026-11-02T15:53:49.605187Z"}]}}