{ "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-2026-26200.json" } ], "title": "hdf5: HDF5: Denial of Service due to heap buffer overflow when parsing a crafted h5 file", "tracking": { "current_release_date": "2026-06-30T04:01:58+00:00", "generator": { "date": "2026-06-30T04:01:58+00:00", "engine": { "name": "Red Hat SDEngine", "version": "5.3.0" } }, "id": "CVE-2026-26200", "initial_release_date": "2026-02-19T19:19:10.512000+00:00", "revision_history": [ { "date": "2026-02-19T19:19:10.512000+00:00", "number": "1", "summary": "Initial version" }, { "date": "2026-03-16T08:31:19+00:00", "number": "2", "summary": "Current version" }, { "date": "2026-06-30T04:01:58+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 AI (RHEL AI) 3", "product": { "name": "Red Hat Enterprise Linux AI (RHEL AI) 3", "product_id": "red_hat_enterprise_linux_ai_(rhel_ai)_3", "product_identification_helper": { "cpe": "cpe:/a:redhat:enterprise_linux_ai:3" } } } ], "category": "product_family", "name": "Red Hat Enterprise Linux AI (RHEL AI) 3" }, { "category": "product_version", "name": "hdf5.src", "product": { "name": "hdf5.src", "product_id": "hdf5.src", "product_identification_helper": { "purl": "pkg:rpm/redhat/hdf5?arch=src" } } } ], "category": "vendor", "name": "Red Hat" } ], "relationships": [ { "category": "default_component_of", "full_product_name": { "name": "hdf5.src as a component of Red Hat Enterprise Linux AI (RHEL AI) 3", "product_id": "red_hat_enterprise_linux_ai_(rhel_ai)_3:hdf5.src" }, "product_reference": "hdf5.src", "relates_to_product_reference": "red_hat_enterprise_linux_ai_(rhel_ai)_3" } ] }, "vulnerabilities": [ { "cve": "CVE-2026-26200", "cwe": { "id": "CWE-131", "name": "Incorrect Calculation of Buffer Size" }, "discovery_date": "2026-02-19T20:05:33.115944+00:00", "ids": [ { "system_name": "Red Hat Bugzilla ID", "text": "2441088" } ], "notes": [ { "category": "description", "text": "A flaw was found in HDF5, a software for managing data. An attacker who can control an `h5` file parsed by HDF5 can trigger a write-based heap buffer overflow. This can lead to a denial-of-service condition, and could potentially lead to further issues such as remote code execution, though its real-world exploitability for this is currently unknown.", "title": "Vulnerability description" }, { "category": "summary", "text": "hdf5: HDF5: Denial of Service due to heap buffer overflow when parsing a crafted h5 file", "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_ai_(rhel_ai)_3:hdf5.src" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://access.redhat.com/security/cve/CVE-2026-26200" }, { "category": "external", "summary": "RHBZ#2441088", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2441088" }, { "category": "external", "summary": "https://www.cve.org/CVERecord?id=CVE-2026-26200", "url": "https://www.cve.org/CVERecord?id=CVE-2026-26200" }, { "category": "external", "summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-26200", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-26200" }, { "category": "external", "summary": "https://github.com/HDFGroup/hdf5/security/advisories/GHSA-5p2m-j456-9mr2", "url": "https://github.com/HDFGroup/hdf5/security/advisories/GHSA-5p2m-j456-9mr2" } ], "release_date": "2026-02-19T19:19:10.512000+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_ai_(rhel_ai)_3:hdf5.src" ] }, { "category": "no_fix_planned", "details": "Will not fix", "product_ids": [ "red_hat_enterprise_linux_ai_(rhel_ai)_3:hdf5.src" ] } ], "scores": [ { "cvss_v3": { "attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.1" }, "products": [ "red_hat_enterprise_linux_ai_(rhel_ai)_3:hdf5.src" ] } ], "threats": [ { "category": "impact", "details": "Important", "product_ids": [ "red_hat_enterprise_linux_ai_(rhel_ai)_3:hdf5.src" ] } ], "title": "hdf5: HDF5: Denial of Service due to heap buffer overflow when parsing a crafted h5 file" } ] }