{"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-2026-56365.json"}],"title":"Magick.NET-Q16-AnyCPU: Magick.NET-Q16-HDRI-AnyCPU: Magick.NET-Q16-HDRI-OpenMP-arm64: Magick.NET-Q16-HDRI-arm64: Magick.NET-Q16-HDRI-x64: Magick.NET-Q16-HDRI-x86: Magick.NET-Q16-OpenMP-arm64: Magick.NET-Q16-OpenMP-x64: Magick.NET-Q16-arm64: Magick.NET-Q16-x64: Magick.NET-Q16-x86: Magick.NET-Q16-HDRI-OpenMP-x64: Magick.NET-Q8-AnyCPU: Magick.NET-Q8-OpenMP-arm64: Magick.NET-Q8-OpenMP-x64: Magick.NET-Q8-arm64: Magick.NET-Q8-x64: Magick.NET-Q8-x86: ImageMagick: Denial of Service due to memory leak in PNG encoder when processing MNG images","tracking":{"current_release_date":"2026-07-02T19:45:38+00:00","generator":{"date":"2026-07-02T19:45:38+00:00","engine":{"name":"Red Hat SDEngine","version":"5.3.1"}},"id":"CVE-2026-56365","initial_release_date":"2026-06-30T22:08:38.238000+00:00","revision_history":[{"date":"2026-06-30T22:08:38.238000+00:00","number":"1","summary":"Initial version"},{"date":"2026-07-02T18:40:07+00:00","number":"2","summary":"Current version"},{"date":"2026-07-02T19:45:38+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 7","product_id":"red_hat_enterprise_linux_7","product_identification_helper":{"cpe":"cpe:/o:redhat:enterprise_linux:7"}}}],"category":"product_family","name":"Red Hat Enterprise Linux 7"},{"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-doc","product":{"name":"ImageMagick-doc","product_id":"ImageMagick-doc","product_identification_helper":{"purl":"pkg:rpm/redhat/ImageMagick-doc"}}},{"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-devel","product":{"name":"ImageMagick-devel","product_id":"ImageMagick-devel","product_identification_helper":{"purl":"pkg:rpm/redhat/ImageMagick-devel"}}},{"category":"product_version","name":"ImageMagick","product":{"name":"ImageMagick","product_id":"ImageMagick","product_identification_helper":{"purl":"pkg:rpm/redhat/ImageMagick"}}},{"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":"product_version","name":"ImageMagick.src","product":{"name":"ImageMagick.src","product_id":"ImageMagick.src","product_identification_helper":{"purl":"pkg:rpm/redhat/ImageMagick?arch=src"}}}],"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-2026-56365","cwe":{"id":"CWE-401","name":"Missing Release of Memory after Effective Lifetime"},"discovery_date":"2026-06-30T23:04:01.259416+00:00","ids":[{"system_name":"Red Hat Bugzilla ID","text":"2495448"}],"notes":[{"category":"description","text":"A flaw was found in ImageMagick. A remote attacker could exploit a memory leak vulnerability in the Portable Network Graphics (PNG) encoder when it fails to write Multiple-image Network Graphics (MNG) images. This flaw allows attackers to exhaust memory resources, leading to a denial of service (DoS) condition. This issue is categorized as a memory leak (CWE-401).","title":"Vulnerability description"},{"category":"summary","text":"Magick.NET-Q16-AnyCPU: Magick.NET-Q16-HDRI-AnyCPU: Magick.NET-Q16-HDRI-OpenMP-arm64: Magick.NET-Q16-HDRI-arm64: Magick.NET-Q16-HDRI-x64: Magick.NET-Q16-HDRI-x86: Magick.NET-Q16-OpenMP-arm64: Magick.NET-Q16-OpenMP-x64: Magick.NET-Q16-arm64: Magick.NET-Q16-x64: Magick.NET-Q16-x86: Magick.NET-Q16-HDRI-OpenMP-x64: Magick.NET-Q8-AnyCPU: Magick.NET-Q8-OpenMP-arm64: Magick.NET-Q8-OpenMP-x64: Magick.NET-Q8-arm64: Magick.NET-Q8-x64: Magick.NET-Q8-x86: ImageMagick: Denial of Service due to memory leak in PNG encoder when processing MNG images","title":"Vulnerability summary"},{"category":"other","text":"This Low impact memory leak in ImageMagick's PNG encoder, when processing Multiple-image Network Graphics (MNG) images, could lead to a denial of service. While the flaw can exhaust system memory, it requires an application to process a specially crafted MNG image, limiting the attack surface in typical Red Hat deployments.","title":"Statement"},{"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-2026-56365"},{"category":"external","summary":"RHBZ#2495448","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2495448"},{"category":"external","summary":"https://www.cve.org/CVERecord?id=CVE-2026-56365","url":"https://www.cve.org/CVERecord?id=CVE-2026-56365"},{"category":"external","summary":"https://nvd.nist.gov/vuln/detail/CVE-2026-56365","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-56365"},{"category":"external","summary":"https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-x928-4434-crqj","url":"https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-x928-4434-crqj"},{"category":"external","summary":"https://www.vulncheck.com/advisories/imagemagick-memory-leak-in-png-encoder-via-mng-image-writing","url":"https://www.vulncheck.com/advisories/imagemagick-memory-leak-in-png-encoder-via-mng-image-writing"}],"release_date":"2026-06-30T22:08:38.238000+00:00","remediations":[{"category":"workaround","details":"To mitigate this use system controls (such as ulimit or container memory limits) to strictly cap the memory available to the ImageMagick process. This prevents a leak from crashing the wider system.","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"]},{"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":"HIGH","attackVector":"NETWORK","availabilityImpact":"LOW","baseScore":3.7,"baseSeverity":"LOW","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/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":"Magick.NET-Q16-AnyCPU: Magick.NET-Q16-HDRI-AnyCPU: Magick.NET-Q16-HDRI-OpenMP-arm64: Magick.NET-Q16-HDRI-arm64: Magick.NET-Q16-HDRI-x64: Magick.NET-Q16-HDRI-x86: Magick.NET-Q16-OpenMP-arm64: Magick.NET-Q16-OpenMP-x64: Magick.NET-Q16-arm64: Magick.NET-Q16-x64: Magick.NET-Q16-x86: Magick.NET-Q16-HDRI-OpenMP-x64: Magick.NET-Q8-AnyCPU: Magick.NET-Q8-OpenMP-arm64: Magick.NET-Q8-OpenMP-x64: Magick.NET-Q8-arm64: Magick.NET-Q8-x64: Magick.NET-Q8-x86: ImageMagick: Denial of Service due to memory leak in PNG encoder when processing MNG images"}]}