{"id":"CVE-2021-20311","aliases":["ALPINE-CVE-2021-20311","CLSA-2021-1635459194","DEBIAN-CVE-2021-20311","EUVD-2021-7736","GHSA-3ffh-qhc3-7r9v","JLSEC-2026-886","MGASA-2022-0446","OESA-2021-1198","SUSE-SU-2021:1276-1","SUSE-SU-2021:1277-1","SUSE-SU-2023:4634-1","openSUSE-SU-2021:0606-1"],"status":"published","title":"A flaw was found in ImageMagick in versions before 7.0.11, where a division by zero in...","description":"A flaw was found in ImageMagick in versions before 7.0.11, where a division by zero in sRGBTransformImage() in the MagickCore/colorspace.c may trigger undefined behavior via a crafted image file that is submitted by an attacker processed by an application using ImageMagick. 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tags":["report"]},{"url":"https://www.suse.com/security/cve/CVE-2019-17540","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-21679","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2021-20176","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2021-20224","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2021-20241","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2021-20243","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2021-20244","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2021-20246","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2022-0284","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2022-2719","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2022-28463","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2022-32545","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2022-32546","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2022-32547","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2022-44267","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2022-44268","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2023-1289","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2023-34151","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2023-3745","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2023-5341","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2021-20311","description":"A flaw was found in ImageMagick in versions before 7.0.11, where a division by zero in sRGBTransformImage() in the MagickCore/colorspace.c may trigger undefined behavior via a crafted image file that is submitted by an attacker processed by an application using ImageMagick. The highest threat from this vulnerability is to system availability.","status":"published","published":"2021-05-11T22:30:47Z","modified":"2024-08-03T17:37:23.623Z","cwes":["CWE-369"],"updated_at":"2026-11-02T14:32:55.19484Z"}],"euvd":[{"id":"EUVD-2021-7736","description":"A flaw was found in ImageMagick in versions before 7.0.11, where a division by zero in sRGBTransformImage() in the MagickCore/colorspace.c may trigger undefined behavior via a crafted image file that is submitted by an attacker processed by an application using ImageMagick. The highest threat from this vulnerability is to system availability.","status":"published","published":"2021-05-11T22:30:47Z","modified":"2024-08-03T17:37:23Z","updated_at":"2026-11-03T03:25:08.888273Z"}],"ghsa":[{"id":"GHSA-3ffh-qhc3-7r9v","title":"A flaw was found in ImageMagick in versions before 7.0.11, where a division by zero in...","description":"A flaw was found in ImageMagick in versions before 7.0.11, where a division by zero in sRGBTransformImage() in the MagickCore/colorspace.c may trigger undefined behavior via a crafted image file that is submitted by an attacker processed by an application using ImageMagick. The highest threat from this vulnerability is to system availability.","status":"published","published":"2022-05-24T19:02:17Z","modified":"2023-01-29T05:06:41Z","cwes":["CWE-369"],"updated_at":"2026-11-02T14:46:04.961867Z"}],"nvd":[{"id":"CVE-2021-20311","description":"A flaw was found in ImageMagick in versions before 7.0.11, where a division by zero in sRGBTransformImage() in the MagickCore/colorspace.c may trigger undefined behavior via a crafted image file that is submitted by an attacker processed by an application using ImageMagick. The highest threat from this vulnerability is to system availability.","status":"published","published":"2021-05-11T23:15:08.81Z","modified":"2026-06-17T03:33:39.1Z","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"},{"version":"2.0","score":7.8,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-369"],"updated_at":"2026-11-02T14:06:53.343329Z"}],"osv":[{"id":"ALPINE-CVE-2021-20311","description":"A flaw was found in ImageMagick in versions before 7.0.11, where a division by zero in sRGBTransformImage() in the MagickCore/colorspace.c may trigger undefined behavior via a crafted image file that is submitted by an attacker processed by an application using ImageMagick. The highest threat from this vulnerability is to system availability.","status":"published","published":"2021-05-11T23:15:08.81Z","modified":"2026-11-03T06:32:26.940736564Z","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":"2026-11-03T07:17:57.723967Z"},{"id":"CVE-2021-20311","description":"A flaw was found in ImageMagick in versions before 7.0.11, where a division by zero in sRGBTransformImage() in the MagickCore/colorspace.c may trigger undefined behavior via a crafted image file that is submitted by an attacker processed by an application using ImageMagick. The highest threat from this vulnerability is to system availability.","status":"published","published":"2021-05-11T23:15:08.81Z","modified":"2026-10-24T10:30:30.529504416Z","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-2021-20311","description":"A flaw was found in ImageMagick in versions before 7.0.11, where a division by zero in sRGBTransformImage() in the MagickCore/colorspace.c may trigger undefined behavior via a crafted image file that is submitted by an attacker processed by an application using ImageMagick. The highest threat from this vulnerability is to system availability.","status":"published","published":"2021-05-11T23:15:08.81Z","modified":"2026-10-23T18:03:10.485690565Z","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":"JLSEC-2026-886","description":"A flaw was found in ImageMagick in versions before 7.0.11, where a division by zero in sRGBTransformImage() in the `MagickCore/colorspace.c` may trigger undefined behavior via a crafted image file that is submitted by an attacker processed by an application using ImageMagick. The highest threat from this vulnerability is to system availability.","status":"published","published":"2026-07-30T16:02:27.435Z","modified":"2026-07-30T18:23:56.71959034Z","cvss":[{"version":"2.0","score":7.8,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:C","level":"high"},{"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":"2026-11-02T15:47:19.003546Z"},{"id":"OESA-2021-1198","title":"ImageMagick security update","description":"Use ImageMagick to create, edit, compose, or convert bitmap images. It can read and write images in a variety of formats (over 200) including PNG, JPEG, GIF, HEIC, TIFF, DPX, EXR, WebP, Postscript, PDF, and SVG. Use ImageMagick to resize, flip, mirror, rotate, distort, shear and transform images, adjust image colors, apply various special effects, or draw text, lines, polygons, ellipses and Bézier curves.\r\n\r\nSecurity Fix(es):\r\n\r\nA flaw was found in ImageMagick in MagickCore/quantum-private.h. An attacker who submits a crafted file that is processed by ImageMagick could trigger a heap buffer overflow. This would most likely lead to an impact to application availability, but could potentially lead to an impact to data integrity as well. This flaw affects ImageMagick versions prior to 7.0.9-0.(CVE-2020-27752)\r\n\r\nA flaw was found in ImageMagick in versions before 7.0.11. A potential cipher leak when the calculate signatures in TransformSignature is possible. The highest threat from this vulnerability is to data confidentiality.(CVE-2021-20313)\r\n\r\nA flaw was found in ImageMagick in versions before 7.0.11, where a division by zero in sRGBTransformImage() in the MagickCore/colorspace.c may trigger undefined behavior via a crafted image file that is submitted by an attacker processed by an application using ImageMagick. The highest threat from this vulnerability is to system availability.(CVE-2021-20311)\r\n\r\nA flaw was found in ImageMagick in versions 7.0.11, where an integer overflow in WriteTHUMBNAILImage of coders/thumbnail.c may trigger undefined behavior via a crafted image file that is submitted by an attacker and processed by an application using ImageMagick. The highest threat from this vulnerability is to system availability.(CVE-2021-20312)\r\n\r\nA flaw was found in ImageMagick in versions before 7.0.11 and before 6.9.12, where a division by zero in WaveImage() of MagickCore/visual-effects.c may trigger undefined behavior via a crafted image file submitted to an application using ImageMagick. The highest threat from this vulnerability is to system availability.(CVE-2021-20309)\r\n\r\nIn ImageMagick versions before 7.0.9-0, there are outside the range of representable values of type \u0026apos;float\u0026apos; at MagickCore/quantize.c.(CVE-2020-27769)","status":"published","published":"2021-05-30T11:04:26Z","modified":"2026-08-18T01:15:40.863574797Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"updated_at":"2026-11-02T15:52:38.987987Z"},{"id":"CLSA-2021-1635459194","title":"Fix CVE(s): CVE-2021-20313, CVE-2021-20312, CVE-2021-20311, CVE-2020-27766, CVE-2021-20176, CVE-2021-, CVE-2021-20309, CVE-2021-20241, CVE-2021-20243, CVE-2021-20244, CVE-2021-20246","description":"\n   * SECURITY UPDATE: undefined behavior\n     - debian/patches/CVE-2020-27766.patch: fix undefined behavior\n       in the form of values outside the range of 'unsigned long' type.\n     - CVE-2020-27766\n   * SECURITY UPDATE: division by zero\n     - debian/patches/CVE-2021-*.patch: fix potential division by zero\n       in many places.\n     - CVE-2021-20176, CVE-2021-20241, CVE-2021-20243,\n       CVE-2021-20244, CVE-2021-20246, CVE-2021-20309,\n       CVE-2021-20311\n   * SECURITY UPDATE: integer overflow\n     - debian/patches/CVE-2021-20312.patch: fix potential integer overflow\n       in coders/thumbnail.c which can affect system availability.\n     - CVE-2021-20312\n   * SECURITY UPDATE: data leak\n     - debian/patches/CVE-2021-20313.patch: ensure memory is always zeroed\n       in magick/memory.c.\n     - CVE-2021-20313","status":"published","published":"2021-10-28T22:13:14Z","modified":"2026-06-04T10:03:36.517888206Z","updated_at":"2026-11-02T15:43:39.801198Z"},{"id":"MGASA-2022-0446","title":"Updated imagemagick packages fix security vulnerability","description":"A vulnerability was found in ImageMagick-7.0.11-5, where executing a\ncrafted file with the convert command, ASAN detects memory leaks.\n(CVE-2021-3574)\n\nA flaw was found in ImageMagick. The vulnerability occurs due to improper\nuse of open functions and leads to a denial of service. This flaw allows\nan attacker to crash the system. (CVE-2021-4219)\n\nAn integer overflow issue was discovered in ImageMagick's\nExportIndexQuantum() function in MagickCore/quantum-export.c. Function\ncalls to GetPixelIndex() could result in values outside the range of\nrepresentable for the 'unsigned char'. When ImageMagick processes a\ncrafted pdf file, this could lead to an undefined behaviour or a crash.\n(CVE-2021-20224)\n\nA flaw was found in ImageMagick in versions before 7.0.11 and before\n6.9.12, where a division by zero in WaveImage() of\nMagickCore/visual-effects.c may trigger undefined behavior via a crafted\nimage file submitted to an application using ImageMagick. The highest\nthreat from this vulnerability is to system availability. (CVE-2021-20309)\n\nA flaw was found in ImageMagick in versions before 7.0.11, where a\ndivision by zero in sRGBTransformImage() in the MagickCore/colorspace.c\nmay trigger undefined behavior via a crafted image file that is submitted\nby an attacker processed by an application using ImageMagick. The highest\nthreat from this vulnerability is to system availability. (CVE-2021-20311)\n\nA flaw was found in ImageMagick in versions 7.0.11, where an integer\noverflow in WriteTHUMBNAILImage of coders/thumbnail.c may trigger\nundefined behavior via a crafted image file that is submitted by an\nattacker and processed by an application using ImageMagick. The highest\nthreat from this vulnerability is to system availability. (CVE-2021-20312)\n\nA flaw was found in ImageMagick in versions before 7.0.11. A potential\ncipher leak when the calculate signatures in TransformSignature is\npossible. The highest threat from this vulnerability is to data\nconfidentiality. (CVE-2021-20313)\n\nA heap-based-buffer-over-read flaw was found in ImageMagick's\nGetPixelAlpha() function of 'pixel-accessor.h'. This vulnerability is\ntriggered when an attacker passes a specially crafted Tagged Image File\nFormat (TIFF) image to convert it into a PICON file format. This issue can\npotentially lead to a denial of service and information disclosure.\n(CVE-2022-0284)\n\nA heap-use-after-free flaw was found in ImageMagick's RelinquishDCMInfo()\nfunction of dcm.c file. This vulnerability is triggered when an attacker\npasses a specially crafted DICOM image file to ImageMagick for conversion,\npotentially leading to information disclosure and a denial of service.\n(CVE-2022-1114)\n\nIn GraphicsMagick, a heap buffer overflow was found when parsing MIFF.\n(CVE-2022-1270)\n\nIn ImageMagick, a crafted file could trigger an assertion failure when a\ncall to WriteImages was made in MagickWand/operation.c, due to a NULL\nimage list. This could potentially cause a denial of service. This was\nfixed in upstream ImageMagick version 7.1.0-30. (CVE-2022-2719)\n\nA heap buffer overflow issue was found in ImageMagick. When an application\nprocesses a malformed TIFF file, it could lead to undefined behavior or a\ncrash causing a denial of service. (CVE-2022-3213)\n\nImageMagick 7.1.0-27 is vulnerable to Buffer Overflow. (CVE-2022-28463)\n\nA vulnerability was found in ImageMagick, causing an outside the range of\nrepresentable values of type 'unsigned char' at coders/psd.c, when crafted\nor untrusted input is processed. This leads to a negative impact to\napplication availability or other problems related to undefined behavior.\n(CVE-2022-32545)\n\nA vulnerability was found in ImageMagick, causing an outside the range of\nrepresentable values of type 'unsigned long' at coders/pcl.c, when crafted\nor untrusted input is processed. This leads to a negative impact to\napplication availability or other problems related to undefined behavior.\n(CVE-2022-32546)\n\nIn ImageMagick, there is load of misaligned address for type 'double',\nwhich requires 8 byte alignment and for type 'float', which requires 4\nbyte alignment at MagickCore/property.c. Whenever crafted or untrusted\ninput is processed by ImageMagick, this causes a negative impact to\napplication availability or other problems related to undefined behavior.\n(CVE-2022-32547)\n","status":"published","published":"2022-12-06T23:32:48Z","modified":"2026-04-16T04:42:52.784365911Z","updated_at":"2026-11-02T15:49:42.263076Z"},{"id":"openSUSE-SU-2021:0606-1","title":"Security update for ImageMagick","description":"This update for ImageMagick fixes the following issues:\n\n- CVE-2021-20309: Division by zero in WaveImage() of MagickCore/visual-effects. (bsc#1184624)\n- CVE-2021-20311: Division by zero in sRGBTransformImage() in MagickCore/colorspace.c (bsc#1184626)\n- CVE-2021-20312: Integer overflow in WriteTHUMBNAILImage of coders/thumbnail.c (bsc#1184627)\n- CVE-2021-20313: Cipher leak when the calculating signatures in TransformSignatureof MagickCore/signature.c (bsc#1184628)\n\nThis update was imported from the SUSE:SLE-15-SP2:Update update project.","status":"published","published":"2021-04-23T16:05:55Z","modified":"2026-02-04T03:36:39.605375Z","updated_at":"2026-11-02T16:58:31.879684Z"},{"id":"SUSE-SU-2021:1276-1","title":"Security update for ImageMagick","description":"This update for ImageMagick fixes the following issues:\n\n- CVE-2021-20309: Division by zero in WaveImage() of MagickCore/visual-effects. (bsc#1184624)\n- CVE-2021-20311: Division by zero in sRGBTransformImage() in MagickCore/colorspace.c (bsc#1184626)\n- CVE-2021-20312: Integer overflow in WriteTHUMBNAILImage of coders/thumbnail.c (bsc#1184627)\n- CVE-2021-20313: Cipher leak when the calculating signatures in TransformSignatureof MagickCore/signature.c (bsc#1184628)\n","status":"published","published":"2021-04-20T12:32:54Z","modified":"2026-02-04T03:56:41.154083Z","updated_at":"2026-11-02T15:53:49.138643Z"},{"id":"SUSE-SU-2021:1277-1","title":"Security update for ImageMagick","description":"This update for ImageMagick fixes the following issues:\n\n- CVE-2021-20309: Division by zero in WaveImage() of MagickCore/visual-effects. (bsc#1184624)\n- CVE-2021-20311: Division by zero in sRGBTransformImage() in MagickCore/colorspace.c (bsc#1184626)\n- CVE-2021-20312: Integer overflow in WriteTHUMBNAILImage of coders/thumbnail.c (bsc#1184627)\n- CVE-2021-20313: Cipher leak when the calculating signatures in TransformSignatureof MagickCore/signature.c (bsc#1184628)\n","status":"published","published":"2021-04-20T12:33:31Z","modified":"2026-02-04T02:16:46.075569Z","updated_at":"2026-11-02T15:53:49.138643Z"},{"id":"SUSE-SU-2023:4634-1","title":"Security update for ImageMagick","description":"This update for ImageMagick fixes the following issues:\n    \nSecurity issues:\n\n- CVE-2023-5341: Fixed a heap use-after-free in coders/bmp.c. (bsc#1215939)\n- CVE-2020-21679: Fixed a buffer overflow in WritePCXImage function in pcx.c which may allow a remote attackers to cause a denial of service. (bsc#1214578)\n- CVE-2023-3745: Fixed heap out of bounds read in PushCharPixel() in quantum-private.h (bsc#1213624).\n- CVE-2023-34151: Fixed an undefined behavior issue due to floating point truncation (bsc#1211791).\n- CVE-2023-1289: Fixed segmentation fault and possible DoS via specially crafted SVG. (bsc#1209141)\n- CVE-2022-44268: Fixed arbitrary file disclosure when parsing a PNG image (bsc#1207983).\n- CVE-2022-44267: Fixed a denial of service when parsing a PNG image (bsc#1207982).\n- CVE-2022-32547: Fixed a load of misaligned address at MagickCore/property.c. (bsc#1200387)\n- CVE-2022-32546: Fixed an outside the range of representable values of type. (bsc#1200389)\n- CVE-2022-32545: Fixed an outside the range of representable values of type. (bsc#1200388)\n- CVE-2022-28463: Fixed buffer overflow in coders/cin.c (bsc#1199350).\n- CVE-2022-2719: Fixed a reachable assertion that could lead to denial of service via a crafted file (bsc#1202250).\n- CVE-2022-0284: Fixed heap buffer overread in GetPixelAlpha() in MagickCore/pixel-accessor.h (bsc#1195563).\n- CVE-2021-3574: Fixed memory leaks with convert command (bsc#1203212).\n- CVE-2021-20313: Cipher leak when the calculating signatures in TransformSignatureof MagickCore/signature.c (bsc#1184628)\n- CVE-2021-20312: Integer overflow in WriteTHUMBNAILImage of coders/thumbnail.c (bsc#1184627)\n- CVE-2021-20311: Division by zero in sRGBTransformImage() in MagickCore/colorspace.c (bsc#1184626)\n- CVE-2021-20309: Division by zero in WaveImage() of MagickCore/visual-effects. (bsc#1184624)\n- CVE-2021-20246: Division by zero in ScaleResampleFilter in MagickCore/resample.c (bsc#1182337).\n- CVE-2021-20244: Division by zero in ImplodeImage in MagickCore/visual-effects.c (bsc#1182325).\n- CVE-2021-20243: Division by zero in GetResizeFilterWeight in MagickCore/resize.c (bsc#1182336).\n- CVE-2021-20241: Division by zero in WriteJP2Image() in coders/jp2.c (bsc#1182335).\n- CVE-2021-20224: Fixed an integer overflow that could be triggered via a crafted file (bsc#1202800).\n- CVE-2021-20176: Fixed an issue where processing a crafted file could lead to division by zero (bsc#1181836).\n- CVE-2019-17540: Fixed heap-based buffer overflow in ReadPSInfo in coders/ps.c. (bsc#1153866)\n\nBugfixes:\n\n- Use png_get_eXIf_1 when available (bsc#1197147).\n","status":"published","published":"2023-12-01T16:57:31Z","modified":"2026-02-04T02:42:32.321075Z","updated_at":"2026-11-02T15:53:53.865042Z"}]}}