{ "document": { "aggregate_severity": { "text": "Important" }, "category": "csaf_security_advisory", "csaf_version": "2.0", "distribution": { "text": "TuxCare License Agreement", "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 Cloud Linux Inc. and provide a link to the original.", "title": "Terms of Use" }, { "category": "details", "text": "* SECURITY UPDATE: Integer overflow in deep scanline compositing\n - debian/patches/CVE-2026-27622.patch: reject deep pixels claiming more\n than UINT_MAX samples in IlmImf/ImfCompositeDeepScanLine.cpp.\n - CVE-2026-27622", "title": "Details" } ], "publisher": { "category": "vendor", "contact_details": "https://tuxcare.com/contact/", "name": "TuxCare", "namespace": "https://tuxcare.com/" }, "references": [ { "category": "self", "summary": "https://cve.tuxcare.com/els/releases/CLSA-2026:1787317469", "url": "https://cve.tuxcare.com/els/releases/CLSA-2026:1787317469" }, { "category": "self", "summary": "Canonical URL", "url": "https://security.tuxcare.com/csaf/v2/els_os/ubuntu18.04els/advisories/2026/clsa-2026_1787317469.json" } ], "tracking": { "current_release_date": "2026-08-21T13:05:08Z", "generator": { "date": "2026-08-21T13:05:08Z", "engine": { "name": "pyCSAF" } }, "id": "CLSA-2026:1787317469", "initial_release_date": "2026-08-21T13:05:08Z", "revision_history": [ { "date": "2026-08-21T13:05:08Z", "number": "1", "summary": "Initial version" } ], "status": "final", "version": "1" }, "title": "Fix CVE(s): CVE-2026-27622" }, "product_tree": { "branches": [ { "branches": [ { "branches": [ { "category": "product_name", "name": "Ubuntu 18.04", "product": { "name": "Ubuntu 18.04", "product_id": "Ubuntu-18", "product_identification_helper": { "cpe": "cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*" } } } ], "category": "product_family", "name": "Ubuntu" } ], "category": "vendor", "name": "Canonical Ltd." }, { "branches": [ { "branches": [ { "category": "product_version", "name": "libopenexr-dev-0:2.2.0-11.1ubuntu1.9+tuxcare.els1.amd64", "product": { "name": "libopenexr-dev-0:2.2.0-11.1ubuntu1.9+tuxcare.els1.amd64", "product_id": "libopenexr-dev-0:2.2.0-11.1ubuntu1.9+tuxcare.els1.amd64", "product_identification_helper": { "purl": "pkg:deb/cloudlinux/libopenexr-dev@2.2.0-11.1ubuntu1.9%2Btuxcare.els1?arch=amd64" } } }, { "category": "product_version", "name": "libopenexr22-0:2.2.0-11.1ubuntu1.9+tuxcare.els1.amd64", "product": { "name": "libopenexr22-0:2.2.0-11.1ubuntu1.9+tuxcare.els1.amd64", "product_id": "libopenexr22-0:2.2.0-11.1ubuntu1.9+tuxcare.els1.amd64", "product_identification_helper": { "purl": "pkg:deb/cloudlinux/libopenexr22@2.2.0-11.1ubuntu1.9%2Btuxcare.els1?arch=amd64" } } }, { "category": "product_version", "name": "openexr-0:2.2.0-11.1ubuntu1.9+tuxcare.els1.amd64", "product": { "name": "openexr-0:2.2.0-11.1ubuntu1.9+tuxcare.els1.amd64", "product_id": "openexr-0:2.2.0-11.1ubuntu1.9+tuxcare.els1.amd64", "product_identification_helper": { "purl": "pkg:deb/cloudlinux/openexr@2.2.0-11.1ubuntu1.9%2Btuxcare.els1?arch=amd64" } } } ], "category": "architecture", "name": "amd64" }, { "branches": [ { "category": "product_version", "name": "openexr-doc-0:2.2.0-11.1ubuntu1.9+tuxcare.els1.all", "product": { "name": "openexr-doc-0:2.2.0-11.1ubuntu1.9+tuxcare.els1.all", "product_id": "openexr-doc-0:2.2.0-11.1ubuntu1.9+tuxcare.els1.all", "product_identification_helper": { "purl": "pkg:deb/cloudlinux/openexr-doc@2.2.0-11.1ubuntu1.9%2Btuxcare.els1?arch=all" } } } ], "category": "architecture", "name": "all" } ], "category": "vendor", "name": "CloudLinux" } ], "relationships": [ { "category": "default_component_of", "full_product_name": { "name": "libopenexr-dev-0:2.2.0-11.1ubuntu1.9+tuxcare.els1.amd64 as a component of Ubuntu 18.04", "product_id": "Ubuntu-18:libopenexr-dev-0:2.2.0-11.1ubuntu1.9+tuxcare.els1.amd64" }, "product_reference": "libopenexr-dev-0:2.2.0-11.1ubuntu1.9+tuxcare.els1.amd64", "relates_to_product_reference": "Ubuntu-18" }, { "category": "default_component_of", "full_product_name": { "name": "openexr-doc-0:2.2.0-11.1ubuntu1.9+tuxcare.els1.all as a component of Ubuntu 18.04", "product_id": "Ubuntu-18:openexr-doc-0:2.2.0-11.1ubuntu1.9+tuxcare.els1.all" }, "product_reference": "openexr-doc-0:2.2.0-11.1ubuntu1.9+tuxcare.els1.all", "relates_to_product_reference": "Ubuntu-18" }, { "category": "default_component_of", "full_product_name": { "name": "libopenexr22-0:2.2.0-11.1ubuntu1.9+tuxcare.els1.amd64 as a component of Ubuntu 18.04", "product_id": "Ubuntu-18:libopenexr22-0:2.2.0-11.1ubuntu1.9+tuxcare.els1.amd64" }, "product_reference": "libopenexr22-0:2.2.0-11.1ubuntu1.9+tuxcare.els1.amd64", "relates_to_product_reference": "Ubuntu-18" }, { "category": "default_component_of", "full_product_name": { "name": "openexr-0:2.2.0-11.1ubuntu1.9+tuxcare.els1.amd64 as a component of Ubuntu 18.04", "product_id": "Ubuntu-18:openexr-0:2.2.0-11.1ubuntu1.9+tuxcare.els1.amd64" }, "product_reference": "openexr-0:2.2.0-11.1ubuntu1.9+tuxcare.els1.amd64", "relates_to_product_reference": "Ubuntu-18" } ] }, "vulnerabilities": [ { "cve": "CVE-2026-27622", "cwe": { "id": "CWE-787", "name": "Out-of-bounds Write" }, "notes": [ { "category": "description", "text": "OpenEXR provides the specification and reference implementation of the EXR file format, an image storage format for the motion picture industry. In CompositeDeepScanLine::readPixels, per-pixel totals are accumulated in vector total_sizes for attacker-controlled large counts across many parts, total_sizes[ptr] wraps modulo 2^32. overall_sample_count is then derived from wrapped totals and used in samples[channel].resize(overall_sample_count). Decode pointer setup/consumption proceeds with true sample counts, and write operations in core unpack (generic_unpack_deep_pointers) overrun the undersized composite sample buffer. This vulnerability is fixed in v3.2.6, v3.3.8, and v3.4.6.", "title": "Vulnerability description" } ], "product_status": { "fixed": [ "Ubuntu-18:libopenexr-dev-0:2.2.0-11.1ubuntu1.9+tuxcare.els1.amd64", "Ubuntu-18:libopenexr22-0:2.2.0-11.1ubuntu1.9+tuxcare.els1.amd64", "Ubuntu-18:openexr-0:2.2.0-11.1ubuntu1.9+tuxcare.els1.amd64", "Ubuntu-18:openexr-doc-0:2.2.0-11.1ubuntu1.9+tuxcare.els1.all" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://cve.tuxcare.com/els/cve/CVE-2026-27622" }, { "category": "external", "summary": "https://github.com/AcademySoftwareFoundation/openexr/security/advisories/GHSA-cr4v-6jm6-4963", "url": "https://github.com/AcademySoftwareFoundation/openexr/security/advisories/GHSA-cr4v-6jm6-4963" }, { "category": "external", "summary": "https://access.redhat.com/errata/RHSA-2026:12338", "url": "https://access.redhat.com/errata/RHSA-2026:12338" }, { "category": "external", "summary": "https://access.redhat.com/errata/RHSA-2026:12339", "url": "https://access.redhat.com/errata/RHSA-2026:12339" }, { "category": "external", "summary": "https://access.redhat.com/errata/RHSA-2026:12340", "url": "https://access.redhat.com/errata/RHSA-2026:12340" }, { "category": "external", "summary": "https://access.redhat.com/errata/RHSA-2026:12341", "url": "https://access.redhat.com/errata/RHSA-2026:12341" }, { "category": "external", "summary": "https://access.redhat.com/errata/RHSA-2026:16008", "url": "https://access.redhat.com/errata/RHSA-2026:16008" }, { "category": "external", "summary": "https://access.redhat.com/errata/RHSA-2026:16009", "url": "https://access.redhat.com/errata/RHSA-2026:16009" }, { "category": "external", "summary": "https://access.redhat.com/errata/RHSA-2026:16030", "url": "https://access.redhat.com/errata/RHSA-2026:16030" }, { "category": "external", "summary": "https://access.redhat.com/errata/RHSA-2026:16174", "url": "https://access.redhat.com/errata/RHSA-2026:16174" }, { "category": "external", "summary": "https://access.redhat.com/errata/RHSA-2026:7678", "url": "https://access.redhat.com/errata/RHSA-2026:7678" }, { "category": "external", "summary": "https://access.redhat.com/errata/RHSA-2026:7682", "url": "https://access.redhat.com/errata/RHSA-2026:7682" }, { "category": "external", "summary": "https://access.redhat.com/errata/RHSA-2026:8863", "url": "https://access.redhat.com/errata/RHSA-2026:8863" }, { "category": "external", "summary": "https://access.redhat.com/errata/RHSA-2026:8869", "url": "https://access.redhat.com/errata/RHSA-2026:8869" }, { "category": "external", "summary": "https://access.redhat.com/errata/RHSA-2026:8870", "url": "https://access.redhat.com/errata/RHSA-2026:8870" }, { "category": "external", "summary": "https://access.redhat.com/errata/RHSA-2026:8871", "url": "https://access.redhat.com/errata/RHSA-2026:8871" }, { "category": "external", "summary": "https://access.redhat.com/errata/RHSA-2026:8872", "url": "https://access.redhat.com/errata/RHSA-2026:8872" }, { "category": "external", "summary": "https://access.redhat.com/errata/RHSA-2026:8888", "url": "https://access.redhat.com/errata/RHSA-2026:8888" }, { "category": "external", "summary": "https://access.redhat.com/security/cve/CVE-2026-27622", "url": "https://access.redhat.com/security/cve/CVE-2026-27622" }, { "category": "external", "summary": "https://bugzilla.redhat.com/show_bug.cgi?id=2444251", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2444251" }, { "category": "external", "summary": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-27622.json", "url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-27622.json" } ], "release_date": "2026-03-03T23:15:00Z", "remediations": [ { "category": "vendor_fix", "date": "2026-08-21T13:04:31.547785Z", "details": "Details on how to apply the fix are available at: https://cve.tuxcare.com/els/releases/CLSA-2026:1787317469", "product_ids": [ "Ubuntu-18:libopenexr-dev-0:2.2.0-11.1ubuntu1.9+tuxcare.els1.amd64", "Ubuntu-18:libopenexr22-0:2.2.0-11.1ubuntu1.9+tuxcare.els1.amd64", "Ubuntu-18:openexr-0:2.2.0-11.1ubuntu1.9+tuxcare.els1.amd64", "Ubuntu-18:openexr-doc-0:2.2.0-11.1ubuntu1.9+tuxcare.els1.all" ], "url": "https://cve.tuxcare.com/els/releases/CLSA-2026:1787317469" } ], "threats": [ { "category": "impact", "details": "Important" } ] } ] }