{ "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-2026-34589.json" } ], "title": "OpenEXR: OpenEXR: Memory corruption leading to arbitrary code execution or denial of service", "tracking": { "current_release_date": "2026-06-30T03:52:37+00:00", "generator": { "date": "2026-06-30T03:52:37+00:00", "engine": { "name": "Red Hat SDEngine", "version": "5.3.0" } }, "id": "CVE-2026-34589", "initial_release_date": "2026-04-06T15:33:03.276000+00:00", "revision_history": [ { "date": "2026-04-06T15:33:03.276000+00:00", "number": "1", "summary": "Initial version" }, { "date": "2026-04-07T19:00:29+00:00", "number": "2", "summary": "Current version" }, { "date": "2026-06-30T03:52:37+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": "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" }, { "branches": [ { "category": "product_name", "name": "Red Hat Enterprise Linux 8", "product": { "name": "Red Hat Enterprise Linux 8", "product_id": "red_hat_enterprise_linux_8", "product_identification_helper": { "cpe": "cpe:/o:redhat:enterprise_linux:8" } } } ], "category": "product_family", "name": "Red Hat Enterprise Linux 8" }, { "branches": [ { "category": "product_name", "name": "Red Hat Enterprise Linux 9", "product": { "name": "Red Hat Enterprise Linux 9", "product_id": "red_hat_enterprise_linux_9", "product_identification_helper": { "cpe": "cpe:/o:redhat:enterprise_linux:9" } } } ], "category": "product_family", "name": "Red Hat Enterprise Linux 9" }, { "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-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.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.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-2026-34589", "cwe": { "id": "CWE-190", "name": "Integer Overflow or Wraparound" }, "discovery_date": "2026-04-06T16:02:50.076228+00:00", "flags": [ { "label": "vulnerable_code_not_present", "product_ids": [ "red_hat_enterprise_linux_10: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.src" ] } ], "ids": [ { "system_name": "Red Hat Bugzilla ID", "text": "2455411" } ], "notes": [ { "category": "description", "text": "A flaw was found in OpenEXR. The DWA lossy decoder, responsible for processing EXR image files, incorrectly handles large image widths. This occurs because temporary block pointers are constructed using signed 32-bit arithmetic, which can overflow. A remote attacker could exploit this by providing a specially crafted EXR file, leading to memory corruption and potentially arbitrary code execution or denial of service.", "title": "Vulnerability description" }, { "category": "summary", "text": "OpenEXR: OpenEXR: Memory corruption leading to arbitrary code execution or denial of service", "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: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" ], "known_not_affected": [ "red_hat_enterprise_linux_10: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.src" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://access.redhat.com/security/cve/CVE-2026-34589" }, { "category": "external", "summary": "RHBZ#2455411", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2455411" }, { "category": "external", "summary": "https://www.cve.org/CVERecord?id=CVE-2026-34589", "url": "https://www.cve.org/CVERecord?id=CVE-2026-34589" }, { "category": "external", "summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-34589", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-34589" }, { "category": "external", "summary": "https://github.com/AcademySoftwareFoundation/openexr/security/advisories/GHSA-p8xc-w3q4-h64x", "url": "https://github.com/AcademySoftwareFoundation/openexr/security/advisories/GHSA-p8xc-w3q4-h64x" } ], "release_date": "2026-04-06T15:33:03.276000+00:00", "remediations": [ { "category": "workaround", "details": "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.", "product_ids": [ "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" ] }, { "category": "no_fix_planned", "details": "Out of support scope", "product_ids": [ "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" ] } ], "scores": [ { "cvss_v3": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.1" }, "products": [ "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.src" ] } ], "threats": [ { "category": "impact", "details": "Important", "product_ids": [ "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.src" ] } ], "title": "OpenEXR: OpenEXR: Memory corruption leading to arbitrary code execution or denial of service" } ] }