{"document":{"aggregate_severity":{"namespace":"https://access.redhat.com/security/updates/classification/","text":"Low"},"category":"csaf_vex","csaf_version":"2.0","distribution":{"text":"Copyright © Red Hat, Inc. All rights reserved.","tlp":{"label":"WHITE","url":"https://www.first.org/tlp/"}},"lang":"en","notes":[{"category":"legal_disclaimer","text":"This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.","title":"Terms of Use"}],"publisher":{"category":"vendor","contact_details":"https://access.redhat.com/security/team/contact/","issuing_authority":"Red Hat Product Security is responsible for vulnerability handling across all Red Hat products and services.","name":"Red Hat Product Security","namespace":"https://www.redhat.com"},"references":[{"category":"self","summary":"Canonical URL","url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-56366.json"}],"title":"ImageMagick: ImageMagick: Denial of Service via memory leak in APP1JPEG image processing","tracking":{"current_release_date":"2026-07-13T15:27:12+00:00","generator":{"date":"2026-07-13T15:27:12+00:00","engine":{"name":"Red Hat SDEngine","version":"5.3.2"}},"id":"CVE-2026-56366","initial_release_date":"2026-07-10T13:57:58.303000+00:00","revision_history":[{"date":"2026-07-10T13:57:58.303000+00:00","number":"1","summary":"Initial version"},{"date":"2026-07-13T15:20:09+00:00","number":"2","summary":"Current version"},{"date":"2026-07-13T15:27:12+00:00","number":"3","summary":"Last generated version"}],"status":"final","version":"3"}},"product_tree":{"branches":[{"branches":[{"branches":[{"category":"product_name","name":"Red Hat Enterprise Linux 6","product":{"name":"Red Hat Enterprise Linux 6","product_id":"red_hat_enterprise_linux_6","product_identification_helper":{"cpe":"cpe:/o:redhat:enterprise_linux:6"}}}],"category":"product_family","name":"Red Hat Enterprise Linux 6"},{"branches":[{"category":"product_name","name":"Red Hat Enterprise Linux 7","product":{"name":"Red Hat Enterprise Linux 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7"},{"category":"product_version","name":"ImageMagick-doc","product":{"name":"ImageMagick-doc","product_id":"ImageMagick-doc","product_identification_helper":{"purl":"pkg:rpm/redhat/ImageMagick-doc"}}},{"category":"product_version","name":"ImageMagick","product":{"name":"ImageMagick","product_id":"ImageMagick","product_identification_helper":{"purl":"pkg:rpm/redhat/ImageMagick"}}},{"category":"product_version","name":"ImageMagick-perl","product":{"name":"ImageMagick-perl","product_id":"ImageMagick-perl","product_identification_helper":{"purl":"pkg:rpm/redhat/ImageMagick-perl"}}},{"category":"product_version","name":"ImageMagick.src","product":{"name":"ImageMagick.src","product_id":"ImageMagick.src","product_identification_helper":{"purl":"pkg:rpm/redhat/ImageMagick?arch=src"}}},{"category":"product_version","name":"ImageMagick-devel","product":{"name":"ImageMagick-devel","product_id":"ImageMagick-devel","product_identification_helper":{"purl":"pkg:rpm/redhat/ImageMagick-devel"}}},{"category":"product_version","name":"ImageMagick-c++-devel","product":{"name":"ImageMagick-c++-devel","product_id":"ImageMagick-c++-devel","product_identification_helper":{"purl":"pkg:rpm/redhat/ImageMagick-c%2B%2B-devel"}}},{"category":"product_version","name":"ImageMagick-c++","product":{"name":"ImageMagick-c++","product_id":"ImageMagick-c++","product_identification_helper":{"purl":"pkg:rpm/redhat/ImageMagick-c%2B%2B"}}}],"category":"vendor","name":"Red Hat"}],"relationships":[{"category":"default_component_of","full_product_name":{"name":"ImageMagick as a component of Red Hat Enterprise Linux 6","product_id":"red_hat_enterprise_linux_6:ImageMagick"},"product_reference":"ImageMagick","relates_to_product_reference":"red_hat_enterprise_linux_6"},{"category":"default_component_of","full_product_name":{"name":"ImageMagick-c++ as a component of Red Hat Enterprise Linux 6","product_id":"red_hat_enterprise_linux_6:ImageMagick-c++"},"product_reference":"ImageMagick-c++","relates_to_product_reference":"red_hat_enterprise_linux_6"},{"category":"default_component_of","full_product_name":{"name":"ImageMagick-c++-devel as a component of Red Hat Enterprise Linux 6","product_id":"red_hat_enterprise_linux_6:ImageMagick-c++-devel"},"product_reference":"ImageMagick-c++-devel","relates_to_product_reference":"red_hat_enterprise_linux_6"},{"category":"default_component_of","full_product_name":{"name":"ImageMagick-devel as a component of Red Hat Enterprise Linux 6","product_id":"red_hat_enterprise_linux_6:ImageMagick-devel"},"product_reference":"ImageMagick-devel","relates_to_product_reference":"red_hat_enterprise_linux_6"},{"category":"default_component_of","full_product_name":{"name":"ImageMagick-doc as a component of Red Hat Enterprise Linux 6","product_id":"red_hat_enterprise_linux_6:ImageMagick-doc"},"product_reference":"ImageMagick-doc","relates_to_product_reference":"red_hat_enterprise_linux_6"},{"category":"default_component_of","full_product_name":{"name":"ImageMagick-perl as a component of Red Hat Enterprise Linux 6","product_id":"red_hat_enterprise_linux_6:ImageMagick-perl"},"product_reference":"ImageMagick-perl","relates_to_product_reference":"red_hat_enterprise_linux_6"},{"category":"default_component_of","full_product_name":{"name":"ImageMagick.src as a component of Red Hat Enterprise Linux 6","product_id":"red_hat_enterprise_linux_6:ImageMagick.src"},"product_reference":"ImageMagick.src","relates_to_product_reference":"red_hat_enterprise_linux_6"},{"category":"default_component_of","full_product_name":{"name":"ImageMagick as a component of Red Hat Enterprise Linux 7","product_id":"red_hat_enterprise_linux_7:ImageMagick"},"product_reference":"ImageMagick","relates_to_product_reference":"red_hat_enterprise_linux_7"},{"category":"default_component_of","full_product_name":{"name":"ImageMagick-c++ as a component of Red Hat Enterprise Linux 7","product_id":"red_hat_enterprise_linux_7:ImageMagick-c++"},"product_reference":"ImageMagick-c++","relates_to_product_reference":"red_hat_enterprise_linux_7"},{"category":"default_component_of","full_product_name":{"name":"ImageMagick-c++-devel as a component of Red Hat Enterprise Linux 7","product_id":"red_hat_enterprise_linux_7:ImageMagick-c++-devel"},"product_reference":"ImageMagick-c++-devel","relates_to_product_reference":"red_hat_enterprise_linux_7"},{"category":"default_component_of","full_product_name":{"name":"ImageMagick-devel as a component of Red Hat Enterprise Linux 7","product_id":"red_hat_enterprise_linux_7:ImageMagick-devel"},"product_reference":"ImageMagick-devel","relates_to_product_reference":"red_hat_enterprise_linux_7"},{"category":"default_component_of","full_product_name":{"name":"ImageMagick-doc as a component of Red Hat Enterprise Linux 7","product_id":"red_hat_enterprise_linux_7:ImageMagick-doc"},"product_reference":"ImageMagick-doc","relates_to_product_reference":"red_hat_enterprise_linux_7"},{"category":"default_component_of","full_product_name":{"name":"ImageMagick-perl as a component of Red Hat Enterprise Linux 7","product_id":"red_hat_enterprise_linux_7:ImageMagick-perl"},"product_reference":"ImageMagick-perl","relates_to_product_reference":"red_hat_enterprise_linux_7"},{"category":"default_component_of","full_product_name":{"name":"ImageMagick.src as a component of Red Hat Enterprise Linux 7","product_id":"red_hat_enterprise_linux_7:ImageMagick.src"},"product_reference":"ImageMagick.src","relates_to_product_reference":"red_hat_enterprise_linux_7"}]},"vulnerabilities":[{"cve":"CVE-2026-56366","cwe":{"id":"CWE-772","name":"Missing Release of Resource after Effective Lifetime"},"discovery_date":"2026-07-10T15:01:00.882232+00:00","ids":[{"system_name":"Red Hat Bugzilla ID","text":"2498999"}],"notes":[{"category":"description","text":"A flaw was found in ImageMagick. This vulnerability, categorized as a memory leak (CWE-401), occurs in the META reader when processing APP1JPEG input paths. A remote attacker could exploit this by providing specially crafted APP1JPEG image files. Successful exploitation leads to resource exhaustion, resulting in a denial of service (DoS) for the affected system.","title":"Vulnerability description"},{"category":"summary","text":"ImageMagick: ImageMagick: Denial of Service via memory leak in APP1JPEG image processing","title":"Vulnerability summary"},{"category":"general","text":"The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.","title":"CVSS score applicability"}],"product_status":{"known_affected":["red_hat_enterprise_linux_6:ImageMagick","red_hat_enterprise_linux_6:ImageMagick-c++","red_hat_enterprise_linux_6:ImageMagick-c++-devel","red_hat_enterprise_linux_6:ImageMagick-devel","red_hat_enterprise_linux_6:ImageMagick-doc","red_hat_enterprise_linux_6:ImageMagick-perl","red_hat_enterprise_linux_6:ImageMagick.src","red_hat_enterprise_linux_7:ImageMagick","red_hat_enterprise_linux_7:ImageMagick-c++","red_hat_enterprise_linux_7:ImageMagick-c++-devel","red_hat_enterprise_linux_7:ImageMagick-devel","red_hat_enterprise_linux_7:ImageMagick-doc","red_hat_enterprise_linux_7:ImageMagick-perl","red_hat_enterprise_linux_7:ImageMagick.src"]},"references":[{"category":"self","summary":"Canonical URL","url":"https://access.redhat.com/security/cve/CVE-2026-56366"},{"category":"external","summary":"RHBZ#2498999","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2498999"},{"category":"external","summary":"https://www.cve.org/CVERecord?id=CVE-2026-56366","url":"https://www.cve.org/CVERecord?id=CVE-2026-56366"},{"category":"external","summary":"https://nvd.nist.gov/vuln/detail/CVE-2026-56366","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-56366"},{"category":"external","summary":"https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-9r56-3gjq-hqf7","url":"https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-9r56-3gjq-hqf7"},{"category":"external","summary":"https://www.vulncheck.com/advisories/imagemagick-memory-leak-in-meta-reader-app1jpeg-error-path","url":"https://www.vulncheck.com/advisories/imagemagick-memory-leak-in-meta-reader-app1jpeg-error-path"}],"release_date":"2026-07-10T13:57:58.303000+00:00","remediations":[{"category":"no_fix_planned","details":"Out of support scope","product_ids":["red_hat_enterprise_linux_6:ImageMagick","red_hat_enterprise_linux_6:ImageMagick-c++","red_hat_enterprise_linux_6:ImageMagick-c++-devel","red_hat_enterprise_linux_6:ImageMagick-devel","red_hat_enterprise_linux_6:ImageMagick-doc","red_hat_enterprise_linux_6:ImageMagick-perl","red_hat_enterprise_linux_6:ImageMagick.src","red_hat_enterprise_linux_7:ImageMagick","red_hat_enterprise_linux_7:ImageMagick-c++","red_hat_enterprise_linux_7:ImageMagick-c++-devel","red_hat_enterprise_linux_7:ImageMagick-devel","red_hat_enterprise_linux_7:ImageMagick-doc","red_hat_enterprise_linux_7:ImageMagick-perl","red_hat_enterprise_linux_7:ImageMagick.src"]}],"scores":[{"cvss_v3":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"LOW","baseScore":3.3,"baseSeverity":"LOW","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L","version":"3.1"},"products":["red_hat_enterprise_linux_6:ImageMagick","red_hat_enterprise_linux_6:ImageMagick-c++","red_hat_enterprise_linux_6:ImageMagick-c++-devel","red_hat_enterprise_linux_6:ImageMagick-devel","red_hat_enterprise_linux_6:ImageMagick-doc","red_hat_enterprise_linux_6:ImageMagick-perl","red_hat_enterprise_linux_6:ImageMagick.src","red_hat_enterprise_linux_7:ImageMagick","red_hat_enterprise_linux_7:ImageMagick-c++","red_hat_enterprise_linux_7:ImageMagick-c++-devel","red_hat_enterprise_linux_7:ImageMagick-devel","red_hat_enterprise_linux_7:ImageMagick-doc","red_hat_enterprise_linux_7:ImageMagick-perl","red_hat_enterprise_linux_7:ImageMagick.src"]}],"threats":[{"category":"impact","details":"Low","product_ids":["red_hat_enterprise_linux_6:ImageMagick","red_hat_enterprise_linux_6:ImageMagick-c++","red_hat_enterprise_linux_6:ImageMagick-c++-devel","red_hat_enterprise_linux_6:ImageMagick-devel","red_hat_enterprise_linux_6:ImageMagick-doc","red_hat_enterprise_linux_6:ImageMagick-perl","red_hat_enterprise_linux_6:ImageMagick.src","red_hat_enterprise_linux_7:ImageMagick","red_hat_enterprise_linux_7:ImageMagick-c++","red_hat_enterprise_linux_7:ImageMagick-c++-devel","red_hat_enterprise_linux_7:ImageMagick-devel","red_hat_enterprise_linux_7:ImageMagick-doc","red_hat_enterprise_linux_7:ImageMagick-perl","red_hat_enterprise_linux_7:ImageMagick.src"]}],"title":"ImageMagick: ImageMagick: Denial of Service via memory leak in APP1JPEG image processing"}]}