{"id":"CVE-2021-3476","aliases":["ALPINE-CVE-2021-3476","AZL-44922","DEBIAN-CVE-2021-3476","DLA-2701-1","DLA-3236-1","EUVD-2021-26798","GHSA-xxv7-22hc-322m","MGASA-2021-0326","OESA-2021-1167","SUSE-SU-2021:1097-1","SUSE-SU-2021:2793-1","SUSE-SU-2021:2913-1","UBUNTU-CVE-2021-3476","USN-4900-1","openSUSE-SU-2021:0536-1","openSUSE-SU-2021:1198-1","openSUSE-SU-2021:2793-1"],"status":"published","title":"A flaw was found in OpenEXR's B44 uncompression functionality in versions before 3.0.0-beta. An...","description":"A flaw was found in OpenEXR's B44 uncompression functionality in versions before 3.0.0-beta. 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An attacker who is able to submit a crafted file to OpenEXR could trigger shift overflows, potentially affecting application availability.","status":"published","published":"2021-03-30T00:00:00Z","modified":"2024-08-03T16:53:17.728Z","cwes":["CWE-190"],"updated_at":"2026-11-02T14:33:04.020035Z"}],"euvd":[{"id":"EUVD-2021-26798","description":"A flaw was found in OpenEXR's B44 uncompression functionality in versions before 3.0.0-beta. An attacker who is able to submit a crafted file to OpenEXR could trigger shift overflows, potentially affecting application availability.","status":"published","published":"2021-03-30T00:00:00Z","modified":"2024-08-03T16:53:17Z","updated_at":"2026-11-03T03:25:13.052236Z"}],"ghsa":[{"id":"GHSA-xxv7-22hc-322m","title":"A flaw was found in OpenEXR's B44 uncompression functionality in versions before 3.0.0-beta. An...","description":"A flaw was found in OpenEXR's B44 uncompression functionality in versions before 3.0.0-beta. An attacker who is able to submit a crafted file to OpenEXR could trigger shift overflows, potentially affecting application availability.","status":"published","published":"2022-05-24T17:45:55Z","modified":"2023-01-27T05:04:32Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium"}],"cwes":["CWE-190"],"updated_at":"2026-11-02T14:42:29.387682Z"}],"nvd":[{"id":"CVE-2021-3476","description":"A flaw was found in OpenEXR's B44 uncompression functionality in versions before 3.0.0-beta. An attacker who is able to submit a crafted file to OpenEXR could trigger shift overflows, potentially affecting application availability.","status":"published","published":"2021-03-30T18:15:18.077Z","modified":"2026-06-17T04:05:10.38Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-190"],"updated_at":"2026-11-02T14:06:51.197859Z"}],"osv":[{"id":"ALPINE-CVE-2021-3476","description":"A flaw was found in OpenEXR's B44 uncompression functionality in versions before 3.0.0-beta. An attacker who is able to submit a crafted file to OpenEXR could trigger shift overflows, potentially affecting application availability.","status":"published","published":"2021-03-30T18:15:18.077Z","modified":"2026-11-03T06:32:40.554871411Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium"}],"updated_at":"2026-11-03T07:17:02.90744Z"},{"id":"AZL-44922","title":"CVE-2021-3476 affecting package OpenEXR 2.3.0-6","description":"A flaw was found in OpenEXR's B44 uncompression functionality in versions before 3.0.0-beta. An attacker who is able to submit a crafted file to OpenEXR could trigger shift overflows, potentially affecting application availability.","status":"published","published":"2021-03-30T18:15:18Z","modified":"2026-11-05T05:36:30Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium"}],"updated_at":"2026-11-05T16:41:20.321068Z"},{"id":"CVE-2021-3476","description":"A flaw was found in OpenEXR's B44 uncompression functionality in versions before 3.0.0-beta. An attacker who is able to submit a crafted file to OpenEXR could trigger shift overflows, potentially affecting application availability.","status":"published","published":"2021-03-30T18:15:18.077Z","modified":"2026-10-24T14:18:05.514531901Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium"}],"updated_at":"2026-11-02T15:44:20.13324Z"},{"id":"DEBIAN-CVE-2021-3476","description":"A flaw was found in OpenEXR's B44 uncompression functionality in versions before 3.0.0-beta. An attacker who is able to submit a crafted file to OpenEXR could trigger shift overflows, potentially affecting application availability.","status":"published","published":"2021-03-30T18:15:18.077Z","modified":"2026-10-23T18:04:50.717238642Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium"}],"updated_at":"2026-11-02T15:45:35.233346Z"},{"id":"OESA-2021-1167","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\nThere\u0026apos;s a flaw in OpenEXR in versions before 3.0.0-beta. A crafted input file that is processed by OpenEXR could cause a shift overflow in the FastHufDecoder, potentially leading to problems with application availability.(CVE-2021-3474)\r\n\r\nThere\u0026apos;s a flaw in OpenEXR\u0026apos;s deep tile sample size calculations in versions before 3.0.0-beta. An attacker who is able to submit a crafted file to be processed by OpenEXR could trigger an integer overflow, subsequently leading to an out-of-bounds read. The greatest risk of this flaw is to application availability.(CVE-2021-3477)\r\n\r\nThere is a flaw in OpenEXR in versions before 3.0.0-beta. An attacker who can submit a crafted file to be processed by OpenEXR could cause an integer overflow, potentially leading to problems with application availability.(CVE-2021-3475)\r\n\r\nA flaw was found in OpenEXR in versions before 3.0.0-beta. A crafted input file supplied by an attacker, that is processed by the Dwa decompression functionality of OpenEXR\u0026apos;s IlmImf library, could cause a NULL pointer dereference. The highest threat from this vulnerability is to system availability.(CVE-2021-20296)\r\n\r\nA flaw was found in OpenEXR\u0026apos;s B44 uncompression functionality in versions before 3.0.0-beta. An attacker who is able to submit a crafted file to OpenEXR could trigger shift overflows, potentially affecting application availability.(CVE-2021-3476)\r\n\r\nThere\u0026apos;s a flaw in OpenEXR\u0026apos;s Scanline API functionality in versions before 3.0.0-beta. An attacker who is able to submit a crafted file to be processed by OpenEXR could trigger excessive consumption of memory, resulting in an impact to system availability.(CVE-2021-3479)","status":"published","published":"2021-05-06T11:04:24Z","modified":"2026-08-18T01:15:29.894302653Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:52:38.987987Z"},{"id":"UBUNTU-CVE-2021-3476","description":"A flaw was found in OpenEXR's B44 uncompression functionality in versions before 3.0.0-beta. An attacker who is able to submit a crafted file to OpenEXR could trigger shift overflows, potentially affecting application availability.","status":"published","published":"2021-03-30T18:15:00Z","modified":"2026-04-22T12:55:06.218516Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium"}],"updated_at":"2026-11-02T15:54:27.870979Z"},{"id":"DLA-2701-1","title":"openexr - security update","status":"published","published":"2021-07-03T00:00:00Z","modified":"2026-03-09T01:23:39.093746Z","updated_at":"2026-11-02T15:46:10.712745Z"},{"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":"MGASA-2021-0326","title":"Updated openexr packages fix security vulnerabilities","description":"Updated openexr packages fix security vulnerabilities:\n\nIt was discovered that OpenEXR incorrectly handled certain malformed EXR\nimage files. If a user were tricked into opening a crafted EXR image file,\na remote attacker could cause a denial of service, or possibly execute\narbitrary code (CVE-2021-3474, CVE-2021-3475, CVE-2021-3476, CVE-2021-3477,\nCVE-2021-3478, CVE-2021-3479, CVE-2021-3598, CVE-2021-3605, CVE-2021-20296,\nCVE-2021-23169, CVE-2021-23215, CVE-2021-26260).\n","status":"published","published":"2021-07-10T12:56:54Z","modified":"2026-04-16T04:42:39.83798364Z","updated_at":"2026-11-02T15:49:41.509337Z"},{"id":"openSUSE-SU-2021:0536-1","title":"Security update for openexr","description":"This update for openexr fixes the following issues:\n\n- CVE-2021-3474: Undefined-shift in Imf_2_5::FastHufDecoder::FastHufDecoder (bsc#1184174)\n- CVE-2021-3475: Integer-overflow in Imf_2_5::calculateNumTiles (bsc#1184173)\n- CVE-2021-3476: Undefined-shift in Imf_2_5::unpack14 (bsc#1184172)\n\nThis update was imported from the SUSE:SLE-15:Update update project.","status":"published","published":"2021-04-10T22:05:18Z","modified":"2026-02-04T04:24:15.668869Z","updated_at":"2026-11-02T16:58:31.879684Z"},{"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-2021:1097-1","title":"Security update for openexr","description":"This update for openexr fixes the following issues:\n\n- CVE-2021-3474: Undefined-shift in Imf_2_5::FastHufDecoder::FastHufDecoder (bsc#1184174)\n- CVE-2021-3475: Integer-overflow in Imf_2_5::calculateNumTiles (bsc#1184173)\n- CVE-2021-3476: Undefined-shift in Imf_2_5::unpack14 (bsc#1184172)\n","status":"published","published":"2021-04-07T16:06:58Z","modified":"2026-02-04T02:50:46.356876Z","updated_at":"2026-11-02T15:53:48.690034Z"},{"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"},{"id":"USN-4900-1","title":"openexr vulnerabilities","description":"It was discovered that OpenEXR incorrectly handled certain malformed EXR\nimage files. If a user were tricked into opening a crafted EXR image file,\na remote attacker could cause a denial of service, or possibly execute\narbitrary code.\n","status":"published","published":"2021-04-01T17:33:50Z","modified":"2026-04-22T10:13:50.875333Z","updated_at":"2026-11-02T16:58:15.159055Z"}]}}