{"schemaVersion":3,"id":"CVE-2016-9556","aliases":["UBUNTU-CVE-2016-9556","DEBIAN-CVE-2016-9556"],"status":"published","duplicateOf":null,"title":null,"description":"The IsPixelGray function in MagickCore/pixel-accessor.h in ImageMagick 7.0.3-8 allows remote attackers to cause a denial of service (out-of-bounds heap read) via a crafted image file.","dates":{"published":"2017-03-23T18:00:00.000Z","modified":"2024-08-06T02:50:38.583Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":5.5,"severity":"medium","version":"3.0","versionLabel":"v3.0","source":"NVD","vector":"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","computed":false,"selection":"backend-summary"},"metrics":[{"version":"3.0","versionLabel":"v3.0","source":"NVD","score":5.5,"severity":"medium","vector":"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","exploitability":null,"impact":null,"computed":false},{"version":"2.0","versionLabel":"v2.0","source":"NVD","score":4.3,"severity":"medium","vector":"AV:N/AC:M/Au:N/C:N/I:N/A:P","exploitability":null,"impact":null,"computed":false},{"version":"3.0","versionLabel":"v3.0","source":"OSV · Ubuntu","score":5.5,"severity":"medium","vector":"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","exploitability":4.6,"impact":6,"computed":true},{"version":"3.0","versionLabel":"v3.0","source":"OSV · Debian","score":5.5,"severity":"medium","vector":"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","exploitability":4.6,"impact":6,"computed":true}]},"epss":{"probability":0.02266,"percentile":0.82766,"severity":"low","asOf":"2026-10-19T00:00:00.000Z","change":{"pp":-0.010999999999999899,"baselineDate":"2026-09-19T00:00:00.000Z","baselineScore":0.02277},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.02277,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.02277,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.02277,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.02277,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.02277,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.02277,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.02277,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.04841,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.02277,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.02277,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.02277,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.02277,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.02277,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.02277,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.02277,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.02277,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.02277,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.02277,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.02277,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.02266,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.02266,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.02266,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.02266,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.02266,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.02266,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.02266,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.02266,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.02266,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.02266,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.02266,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.02266,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.02266,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.02266,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.02266,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.02266,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.02266,"percentile":0.82766}],"last30":[{"date":"2026-09-19T00:00:00.000Z","score":0.02277,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.02277,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.04841,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.02277,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.02277,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.02277,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.02277,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.02277,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.02277,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.02277,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.02277,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.02277,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.02277,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.02277,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.02266,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.02266,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.02266,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.02266,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.02266,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.02266,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.02266,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.02266,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.02266,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.02266,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.02266,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.02266,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.02266,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.02266,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.02266,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.02266,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.02266,"percentile":0.82766}]},"kev":{"state":"not-listed","entries":[],"listedCount":0,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":false,"entry":null},{"source":"enisa","label":"ENISA","listed":false,"entry":null},{"source":"circl","label":"CIRCL","listed":false,"entry":null}]},"ransomware":{"state":"none-recorded","sources":[]},"exploits":[],"exploitCount":0,"weaknesses":[{"id":"CWE-119","name":"Improper Restriction of Operations within the Bounds of a Memory Buffer","description":"The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.","type":"weakness","status":"Stable","abstraction":"Class","likelihoodOfExploit":"High","url":"https://cwe.mitre.org/data/definitions/119.html"}],"affected":[{"vendor":"debian","product":"imagemagick","name":"imagemagick","label":"imagemagick","ecosystem":"Debian","cpePart":null,"purl":"pkg:deb/debian/imagemagick","purlType":"deb","versions":[{"text":"< 8:6.9.6.5+dfsg-1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 8:6.9.6.5+dfsg-1","eol":null,"hubHref":null},{"vendor":"ubuntu","product":"imagemagick","name":"imagemagick","label":"imagemagick","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/imagemagick","purlType":"deb","versions":[{"text":"< 8:6.7.7.10-6ubuntu3.3","noFixRecorded":false,"fixedIn":null},{"text":"< 8:6.8.9.9-7ubuntu5.3","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 8:6.7.7.10-6ubuntu3.3 | < 8:6.8.9.9-7ubuntu5.3","eol":null,"hubHref":null},{"vendor":"debian","product":"debian_linux","name":"debian linux","label":"debian_linux","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"8.0","noFixRecorded":false,"fixedIn":null}],"versionsText":"8.0","eol":{"isEol":true,"eolDate":"2020-06-30T00:00:00.000Z","matchMethod":"cpe","cycle":{"name":"8","label":"8 (Jessie)","eolFrom":"2020-06-30T00:00:00.000Z","isLts":false,"isMaintained":false,"latestVersion":"8.11"},"product":{"name":"debian","label":"Debian","category":"os"}},"hubHref":"/vendor/debian/debian_linux"},{"vendor":"imagemagick","product":"imagemagick","name":"imagemagick","label":"imagemagick","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"7.0.3-8","noFixRecorded":false,"fixedIn":null}],"versionsText":"7.0.3-8","eol":null,"hubHref":"/vendor/imagemagick/imagemagick"},{"vendor":"opensuse_project","product":"leap","name":"leap","label":"leap","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"42.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"42.1","eol":null,"hubHref":"/vendor/opensuse_project/leap"}],"affectedCount":5,"eol":{"hasEol":true,"count":1},"references":[{"url":"http://www.securityfocus.com/bid/94492","label":"www.securityfocus.com/bid/94492","hostname":"www.securityfocus.com","tags":["VDB Entry","X Refsource BID","Third Party Advisory"]},{"url":"https://github.com/ImageMagick/ImageMagick/commit/ce98a7acbcfca7f0a178f4b1e7b957e419e0cc99","label":"github.com/ImageMagick/ImageMagick/commit/ce98a7acbcfca7f0a178f4b1e7b957e419e0cc99","hostname":"github.com","tags":["X Refsource CONFIRM","Issue Tracking","Patch","Vendor Advisory"]},{"url":"https://blogs.gentoo.org/ago/2016/11/19/imagemagick-heap-based-buffer-overflow-in-ispixelgray-pixel-accessor-h","label":"blogs.gentoo.org/ago/…","hostname":"blogs.gentoo.org","tags":["X Refsource MISC","Third Party Advisory"]},{"url":"http://lists.opensuse.org/opensuse-updates/2016-12/msg00040.html","label":"lists.opensuse.org/opensuse-updates/2016-12/msg00040.html","hostname":"lists.opensuse.org","tags":["Vendor Advisory","X Refsource SUSE","Third Party Advisory"]},{"url":"http://www.openwall.com/lists/oss-security/2016/11/23/1","label":"www.openwall.com/lists/oss-security/2016/11/23/1","hostname":"www.openwall.com","tags":["Mailing List","X Refsource MLIST","Third Party Advisory"]},{"url":"http://www.openwall.com/lists/oss-security/2016/12/02/12","label":"www.openwall.com/lists/oss-security/2016/12/02/12","hostname":"www.openwall.com","tags":["Mailing List","X Refsource MLIST","Third Party Advisory"]},{"url":"http://www.openwall.com/lists/oss-security/2016/12/01/4","label":"www.openwall.com/lists/oss-security/2016/12/01/4","hostname":"www.openwall.com","tags":["Mailing List","X Refsource MLIST","Third Party Advisory"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1398198","label":"bugzilla.redhat.com/show_bug.cgi?id=1398198","hostname":"bugzilla.redhat.com","tags":["X Refsource CONFIRM","Issue Tracking","Third Party Advisory"]},{"url":"http://www.debian.org/security/2016/dsa-3726","label":"www.debian.org/security/2016/dsa-3726","hostname":"www.debian.org","tags":["Vendor Advisory","X Refsource DEBIAN","Third Party Advisory"]},{"url":"https://ubuntu.com/security/CVE-2016-9556","label":"ubuntu.com/security/CVE-2016-9556","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"http://seclists.org/oss-sec/2016/q4/469","label":"seclists.org/oss-sec/2016/q4/469","hostname":"seclists.org","tags":["REPORT"]},{"url":"https://ubuntu.com/security/notices/USN-3142-1","label":"ubuntu.com/security/notices/USN-3142-1","hostname":"ubuntu.com","tags":["Advisory"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2016-9556","label":"www.cve.org/CVERecord?id=CVE-2016-9556","hostname":"www.cve.org","tags":["REPORT"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2016-9556","label":"security-tracker.debian.org/tracker/CVE-2016-9556","hostname":"security-tracker.debian.org","tags":["Advisory"]}],"lineage":{"upstream":[],"downstream":["DLA-756-1","DSA-3726-1","MGASA-2018-0229","SUSE-SU-2016:3256-1","SUSE-SU-2016:3258-1","SUSE-SU-2017:0305-1","USN-3142-1"],"duplicates":[],"related":["SUSE-SU-2016:3256-1","SUSE-SU-2016:3258-1","SUSE-SU-2017:0305-1","USN-3142-1"]},"timeline":[{"kind":"published","date":"2017-03-23T18:00:00.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2024-08-06T02:50:38.583Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":22,"level":"low","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-20T00:05:22.184Z","stale":false,"partial":false}}