{ "document": { "aggregate_severity": { "namespace": "https://access.redhat.com/security/updates/classification/", "text": "Important" }, "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-2026-40244.json" } ], "title": "OpenEXR: OpenEXR: Arbitrary code execution via integer overflow in EXR image processing", "tracking": { "current_release_date": "2026-06-30T03:54:36+00:00", "generator": { "date": "2026-06-30T03:54:36+00:00", "engine": { "name": "Red Hat SDEngine", "version": "5.3.0" } }, "id": "CVE-2026-40244", "initial_release_date": "2026-04-21T01:30:55.061000+00:00", "revision_history": [ { "date": "2026-04-21T01:30:55.061000+00:00", "number": "1", "summary": "Initial version" }, { "date": "2026-04-22T18:42:42+00:00", "number": "2", "summary": "Current version" }, { "date": "2026-06-30T03:54:36+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 10", "product": { "name": "Red Hat Enterprise Linux 10", "product_id": "red_hat_enterprise_linux_10", "product_identification_helper": { "cpe": "cpe:/o:redhat:enterprise_linux:10" } } } ], "category": "product_family", "name": "Red Hat Enterprise Linux 10" }, { "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": 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"cpe": "cpe:/o:redhat:enterprise_linux:9" } } } ], "category": "product_family", "name": "Red Hat Enterprise Linux 9" }, { "category": "product_version", "name": "openexr-libs", "product": { "name": "openexr-libs", "product_id": "openexr-libs", "product_identification_helper": { "purl": "pkg:rpm/redhat/openexr-libs" } } }, { "category": "product_version", "name": "openexr", "product": { "name": "openexr", "product_id": "openexr", "product_identification_helper": { "purl": "pkg:rpm/redhat/openexr" } } }, { "category": "product_version", "name": "openexr.src", "product": { "name": "openexr.src", "product_id": "openexr.src", "product_identification_helper": { "purl": "pkg:rpm/redhat/openexr?arch=src" } } }, { "category": "product_version", "name": "openexr-devel", "product": { "name": "openexr-devel", "product_id": "openexr-devel", "product_identification_helper": { "purl": "pkg:rpm/redhat/openexr-devel" } } }, { "category": "product_version", "name": "OpenEXR-devel", "product": { "name": "OpenEXR-devel", "product_id": "OpenEXR-devel", "product_identification_helper": { "purl": "pkg:rpm/redhat/OpenEXR-devel" } } }, { "category": "product_version", "name": "OpenEXR.src", "product": { "name": "OpenEXR.src", "product_id": "OpenEXR.src", "product_identification_helper": { "purl": "pkg:rpm/redhat/OpenEXR?arch=src" } } }, { "category": "product_version", "name": "OpenEXR-libs", "product": { "name": "OpenEXR-libs", "product_id": "OpenEXR-libs", "product_identification_helper": { "purl": "pkg:rpm/redhat/OpenEXR-libs" } } }, { "category": "product_version", "name": "OpenEXR", "product": { "name": "OpenEXR", "product_id": "OpenEXR", "product_identification_helper": { "purl": "pkg:rpm/redhat/OpenEXR" } } } ], "category": "vendor", "name": "Red Hat" } ], "relationships": [ { "category": "default_component_of", "full_product_name": { "name": "openexr as a component of Red Hat Enterprise Linux 10", "product_id": "red_hat_enterprise_linux_10:openexr" }, "product_reference": "openexr", "relates_to_product_reference": "red_hat_enterprise_linux_10" }, { "category": "default_component_of", "full_product_name": { "name": "openexr-devel as a component of Red Hat Enterprise Linux 10", "product_id": "red_hat_enterprise_linux_10:openexr-devel" }, "product_reference": "openexr-devel", "relates_to_product_reference": "red_hat_enterprise_linux_10" }, { "category": "default_component_of", "full_product_name": { "name": "openexr-libs as a component of Red Hat Enterprise Linux 10", "product_id": "red_hat_enterprise_linux_10:openexr-libs" }, "product_reference": "openexr-libs", "relates_to_product_reference": "red_hat_enterprise_linux_10" }, { "category": "default_component_of", "full_product_name": { "name": "openexr.src as a component of Red Hat Enterprise Linux 10", "product_id": "red_hat_enterprise_linux_10:openexr.src" }, "product_reference": "openexr.src", "relates_to_product_reference": "red_hat_enterprise_linux_10" }, { "category": "default_component_of", "full_product_name": { "name": "OpenEXR-devel as a component of Red Hat Enterprise Linux 6", "product_id": "red_hat_enterprise_linux_6:OpenEXR-devel" }, "product_reference": "OpenEXR-devel", "relates_to_product_reference": "red_hat_enterprise_linux_6" }, { "category": "default_component_of", "full_product_name": { "name": "OpenEXR-libs as a component of Red Hat Enterprise Linux 6", "product_id": "red_hat_enterprise_linux_6:OpenEXR-libs" }, "product_reference": "OpenEXR-libs", "relates_to_product_reference": "red_hat_enterprise_linux_6" }, { "category": "default_component_of", "full_product_name": { "name": "OpenEXR.src as a component of Red Hat Enterprise Linux 6", "product_id": "red_hat_enterprise_linux_6:OpenEXR.src" }, "product_reference": "OpenEXR.src", "relates_to_product_reference": "red_hat_enterprise_linux_6" }, { "category": "default_component_of", "full_product_name": { "name": "OpenEXR as a component of Red Hat Enterprise Linux 7", "product_id": "red_hat_enterprise_linux_7:OpenEXR" }, "product_reference": "OpenEXR", "relates_to_product_reference": "red_hat_enterprise_linux_7" }, { "category": "default_component_of", "full_product_name": { "name": "OpenEXR-devel as a component of Red Hat Enterprise Linux 7", "product_id": "red_hat_enterprise_linux_7:OpenEXR-devel" }, "product_reference": "OpenEXR-devel", "relates_to_product_reference": "red_hat_enterprise_linux_7" }, { "category": "default_component_of", "full_product_name": { "name": "OpenEXR-libs as a component of Red Hat Enterprise Linux 7", "product_id": "red_hat_enterprise_linux_7:OpenEXR-libs" }, "product_reference": "OpenEXR-libs", "relates_to_product_reference": "red_hat_enterprise_linux_7" }, { "category": "default_component_of", "full_product_name": { "name": "OpenEXR.src as a component of Red Hat Enterprise Linux 7", "product_id": "red_hat_enterprise_linux_7:OpenEXR.src" }, "product_reference": "OpenEXR.src", "relates_to_product_reference": "red_hat_enterprise_linux_7" }, { "category": "default_component_of", "full_product_name": { "name": "OpenEXR-devel as a component of Red Hat Enterprise Linux 8", "product_id": "red_hat_enterprise_linux_8:OpenEXR-devel" }, "product_reference": "OpenEXR-devel", "relates_to_product_reference": "red_hat_enterprise_linux_8" }, { "category": "default_component_of", "full_product_name": { "name": "OpenEXR-libs as a component of Red Hat Enterprise Linux 8", "product_id": "red_hat_enterprise_linux_8:OpenEXR-libs" }, "product_reference": "OpenEXR-libs", "relates_to_product_reference": "red_hat_enterprise_linux_8" }, { "category": "default_component_of", "full_product_name": { "name": "OpenEXR.src as a component of Red Hat Enterprise Linux 8", "product_id": "red_hat_enterprise_linux_8:OpenEXR.src" }, "product_reference": "OpenEXR.src", "relates_to_product_reference": "red_hat_enterprise_linux_8" }, { "category": "default_component_of", "full_product_name": { "name": "openexr as a component of Red Hat Enterprise Linux 9", "product_id": "red_hat_enterprise_linux_9:openexr" }, "product_reference": "openexr", "relates_to_product_reference": "red_hat_enterprise_linux_9" }, { "category": "default_component_of", "full_product_name": { "name": "openexr-devel as a component of Red Hat Enterprise Linux 9", "product_id": "red_hat_enterprise_linux_9:openexr-devel" }, "product_reference": "openexr-devel", "relates_to_product_reference": "red_hat_enterprise_linux_9" }, { "category": "default_component_of", "full_product_name": { "name": "openexr-libs as a component of Red Hat Enterprise Linux 9", "product_id": "red_hat_enterprise_linux_9:openexr-libs" }, "product_reference": "openexr-libs", "relates_to_product_reference": "red_hat_enterprise_linux_9" }, { "category": "default_component_of", "full_product_name": { "name": "openexr.src as a component of Red Hat Enterprise Linux 9", "product_id": "red_hat_enterprise_linux_9:openexr.src" }, "product_reference": "openexr.src", "relates_to_product_reference": "red_hat_enterprise_linux_9" } ] }, "vulnerabilities": [ { "cve": "CVE-2026-40244", "cwe": { "id": "CWE-190", "name": "Integer Overflow or Wraparound" }, "discovery_date": "2026-04-21T02:01:45.728894+00:00", "flags": [ { "label": "vulnerable_code_not_present", "product_ids": [ "red_hat_enterprise_linux_10:openexr", "red_hat_enterprise_linux_10:openexr-devel", "red_hat_enterprise_linux_10:openexr-libs", "red_hat_enterprise_linux_10:openexr.src", "red_hat_enterprise_linux_6:OpenEXR-devel", "red_hat_enterprise_linux_6:OpenEXR-libs", "red_hat_enterprise_linux_6:OpenEXR.src", "red_hat_enterprise_linux_7:OpenEXR", "red_hat_enterprise_linux_7:OpenEXR-devel", "red_hat_enterprise_linux_7:OpenEXR-libs", "red_hat_enterprise_linux_7:OpenEXR.src", "red_hat_enterprise_linux_8:OpenEXR-devel", "red_hat_enterprise_linux_8:OpenEXR-libs", "red_hat_enterprise_linux_8:OpenEXR.src", "red_hat_enterprise_linux_9:openexr", "red_hat_enterprise_linux_9:openexr-devel", "red_hat_enterprise_linux_9:openexr-libs", "red_hat_enterprise_linux_9:openexr.src" ] } ], "ids": [ { "system_name": "Red Hat Bugzilla ID", "text": "2459955" } ], "notes": [ { "category": "description", "text": "A flaw was found in OpenEXR, an image storage format library. An integer overflow vulnerability exists when processing specially crafted EXR image files. A local user could exploit this by tricking a victim into opening a malicious EXR file. This flaw could lead to memory corruption, potentially allowing for arbitrary code execution or causing a denial of service (DoS) on the affected system.", "title": "Vulnerability description" }, { "category": "summary", "text": "OpenEXR: OpenEXR: Arbitrary code execution via integer overflow in EXR image processing", "title": "Vulnerability summary" }, { "category": "other", "text": "Important: This flaw in OpenEXR is not applicable to Red Hat Enterprise Linux products as the vulnerable code is not present. The vulnerability affects Fedora, where an integer overflow in EXR image processing could lead to arbitrary code execution or denial of service if a local user is tricked into opening a malicious EXR file.", "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_not_affected": [ "red_hat_enterprise_linux_10:openexr", "red_hat_enterprise_linux_10:openexr-devel", "red_hat_enterprise_linux_10:openexr-libs", "red_hat_enterprise_linux_10:openexr.src", "red_hat_enterprise_linux_6:OpenEXR-devel", "red_hat_enterprise_linux_6:OpenEXR-libs", "red_hat_enterprise_linux_6:OpenEXR.src", "red_hat_enterprise_linux_7:OpenEXR", "red_hat_enterprise_linux_7:OpenEXR-devel", "red_hat_enterprise_linux_7:OpenEXR-libs", "red_hat_enterprise_linux_7:OpenEXR.src", "red_hat_enterprise_linux_8:OpenEXR-devel", "red_hat_enterprise_linux_8:OpenEXR-libs", "red_hat_enterprise_linux_8:OpenEXR.src", "red_hat_enterprise_linux_9:openexr", "red_hat_enterprise_linux_9:openexr-devel", "red_hat_enterprise_linux_9:openexr-libs", "red_hat_enterprise_linux_9:openexr.src" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://access.redhat.com/security/cve/CVE-2026-40244" }, { "category": "external", "summary": "RHBZ#2459955", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2459955" }, { "category": "external", "summary": "https://www.cve.org/CVERecord?id=CVE-2026-40244", "url": "https://www.cve.org/CVERecord?id=CVE-2026-40244" }, { "category": "external", "summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-40244", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-40244" }, { "category": "external", "summary": "https://github.com/AcademySoftwareFoundation/openexr/releases/tag/v3.2.8", "url": "https://github.com/AcademySoftwareFoundation/openexr/releases/tag/v3.2.8" }, { "category": "external", "summary": "https://github.com/AcademySoftwareFoundation/openexr/releases/tag/v3.3.10", "url": "https://github.com/AcademySoftwareFoundation/openexr/releases/tag/v3.3.10" }, { "category": "external", "summary": "https://github.com/AcademySoftwareFoundation/openexr/releases/tag/v3.4.10", "url": "https://github.com/AcademySoftwareFoundation/openexr/releases/tag/v3.4.10" }, { "category": "external", "summary": "https://github.com/AcademySoftwareFoundation/openexr/security/advisories/GHSA-j526-66f6-fxhx", "url": "https://github.com/AcademySoftwareFoundation/openexr/security/advisories/GHSA-j526-66f6-fxhx" } ], "release_date": "2026-04-21T01:30:55.061000+00:00", "scores": [ { "cvss_v3": { "attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 8.2, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H", "version": "3.1" }, "products": [ "red_hat_enterprise_linux_10:openexr", "red_hat_enterprise_linux_10:openexr-devel", "red_hat_enterprise_linux_10:openexr-libs", "red_hat_enterprise_linux_10:openexr.src", "red_hat_enterprise_linux_6:OpenEXR-devel", "red_hat_enterprise_linux_6:OpenEXR-libs", "red_hat_enterprise_linux_6:OpenEXR.src", "red_hat_enterprise_linux_7:OpenEXR", "red_hat_enterprise_linux_7:OpenEXR-devel", "red_hat_enterprise_linux_7:OpenEXR-libs", "red_hat_enterprise_linux_7:OpenEXR.src", "red_hat_enterprise_linux_8:OpenEXR-devel", "red_hat_enterprise_linux_8:OpenEXR-libs", "red_hat_enterprise_linux_8:OpenEXR.src", "red_hat_enterprise_linux_9:openexr", "red_hat_enterprise_linux_9:openexr-devel", "red_hat_enterprise_linux_9:openexr-libs", "red_hat_enterprise_linux_9:openexr.src" ] } ], "threats": [ { "category": "impact", "details": "Important", "product_ids": [ "red_hat_enterprise_linux_10:openexr", "red_hat_enterprise_linux_10:openexr-devel", "red_hat_enterprise_linux_10:openexr-libs", "red_hat_enterprise_linux_10:openexr.src", "red_hat_enterprise_linux_6:OpenEXR-devel", "red_hat_enterprise_linux_6:OpenEXR-libs", "red_hat_enterprise_linux_6:OpenEXR.src", "red_hat_enterprise_linux_7:OpenEXR", "red_hat_enterprise_linux_7:OpenEXR-devel", "red_hat_enterprise_linux_7:OpenEXR-libs", "red_hat_enterprise_linux_7:OpenEXR.src", "red_hat_enterprise_linux_8:OpenEXR-devel", "red_hat_enterprise_linux_8:OpenEXR-libs", "red_hat_enterprise_linux_8:OpenEXR.src", "red_hat_enterprise_linux_9:openexr", "red_hat_enterprise_linux_9:openexr-devel", "red_hat_enterprise_linux_9:openexr-libs", "red_hat_enterprise_linux_9:openexr.src" ] } ], "title": "OpenEXR: OpenEXR: Arbitrary code execution via integer overflow in EXR image processing" } ] }