{ "document": { "category": "csaf_vex", "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" } ], "publisher": { "category": "vendor", "contact_details": "https://tuxcare.com/contact/", "name": "TuxCare", "namespace": "https://tuxcare.com/" }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://security.tuxcare.com/csaf/v2/els_os/almalinux9.2esu/vex/2026/cve-2026-8973-els_os-almalinux9_2esu.json" } ], "tracking": { "current_release_date": "2026-06-02T16:25:10Z", "generator": { "date": "2026-06-02T16:25:10Z", "engine": { "name": "pyCSAF" } }, "id": "CVE-2026-8973-ELS_OS-ALMALINUX9.2ESU", "initial_release_date": "2026-05-19T14:16:00Z", "revision_history": [ { "date": "2026-05-19T14:16:00Z", "number": "1", "summary": "Initial version" }, { "date": "2026-05-27T12:43:28Z", "number": "2", "summary": "Official Publication" }, { "date": "2026-06-02T16:25:10Z", "number": "3", "summary": "Update document" } ], "status": "final", "version": "3" }, "title": "Security update on CVE-2026-8973" }, "product_tree": { "branches": [ { "branches": [ { "branches": [ { "category": "product_name", "name": "AlmaLinux 9.2", "product": { "name": "AlmaLinux 9.2", "product_id": "AlmaLinux-9.2", "product_identification_helper": { "cpe": "cpe:2.3:o:almalinux:almalinux:9.2:*:*:*:*:*:*:*" } } } ], "category": "product_family", "name": "AlmaLinux" } ], "category": "vendor", "name": "AlmaLinux OS Foundation" }, { "branches": [ { "branches": [ { "category": "product_version", "name": "thunderbird-0:115.4.1-1.el9_2.alma.tuxcare.els1.x86_64", "product": { "name": "thunderbird-0:115.4.1-1.el9_2.alma.tuxcare.els1.x86_64", "product_id": "thunderbird-0:115.4.1-1.el9_2.alma.tuxcare.els1.x86_64", "product_identification_helper": { "purl": "pkg:rpm/tuxcare/thunderbird@115.4.1-1.el9_2.alma.tuxcare.els1?arch=x86_64" } } }, { "category": "product_version", "name": "thunderbird-0:115.4.1-1.el9_2.alma.tuxcare.els4.x86_64", "product": { "name": "thunderbird-0:115.4.1-1.el9_2.alma.tuxcare.els4.x86_64", "product_id": "thunderbird-0:115.4.1-1.el9_2.alma.tuxcare.els4.x86_64", "product_identification_helper": { "purl": "pkg:rpm/tuxcare/thunderbird@115.4.1-1.el9_2.alma.tuxcare.els4?arch=x86_64" } } }, { "category": "product_version", "name": "thunderbird-0:115.4.1-1.el9_2.alma.tuxcare.els3.x86_64", "product": { "name": "thunderbird-0:115.4.1-1.el9_2.alma.tuxcare.els3.x86_64", "product_id": "thunderbird-0:115.4.1-1.el9_2.alma.tuxcare.els3.x86_64", "product_identification_helper": { "purl": "pkg:rpm/tuxcare/thunderbird@115.4.1-1.el9_2.alma.tuxcare.els3?arch=x86_64" } } } ], "category": "architecture", "name": "x86_64" } ], "category": "vendor", "name": "TuxCare" } ], "relationships": [ { "category": "default_component_of", "full_product_name": { "name": "thunderbird-0:115.4.1-1.el9_2.alma.tuxcare.els1.x86_64 as a component of AlmaLinux 9.2", "product_id": "AlmaLinux-9.2:thunderbird-0:115.4.1-1.el9_2.alma.tuxcare.els1.x86_64" }, "product_reference": "thunderbird-0:115.4.1-1.el9_2.alma.tuxcare.els1.x86_64", "relates_to_product_reference": "AlmaLinux-9.2" }, { "category": "default_component_of", "full_product_name": { "name": "thunderbird-0:115.4.1-1.el9_2.alma.tuxcare.els4.x86_64 as a component of AlmaLinux 9.2", "product_id": "AlmaLinux-9.2:thunderbird-0:115.4.1-1.el9_2.alma.tuxcare.els4.x86_64" }, "product_reference": "thunderbird-0:115.4.1-1.el9_2.alma.tuxcare.els4.x86_64", "relates_to_product_reference": "AlmaLinux-9.2" }, { "category": "default_component_of", "full_product_name": { "name": "thunderbird-0:115.4.1-1.el9_2.alma.tuxcare.els3.x86_64 as a component of AlmaLinux 9.2", "product_id": "AlmaLinux-9.2:thunderbird-0:115.4.1-1.el9_2.alma.tuxcare.els3.x86_64" }, "product_reference": "thunderbird-0:115.4.1-1.el9_2.alma.tuxcare.els3.x86_64", "relates_to_product_reference": "AlmaLinux-9.2" } ] }, "vulnerabilities": [ { "cve": "CVE-2026-8973", "cwe": { "id": "CWE-119", "name": "Improper Restriction of Operations within the Bounds of a Memory Buffer" }, "notes": [ { "category": "description", "text": "Memory safety bugs present in Thunderbird 150. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox 151 and Thunderbird 151.", "title": "Vulnerability description" }, { "category": "other", "text": "TuxCare has assessed that this vulnerability does not impact any currently supported TuxCare products. This evaluation may change as new information becomes available. For additional details regarding this vulnerability and affected products, refer to the provided references.", "title": "Statement" } ], "product_status": { "known_not_affected": [ "AlmaLinux-9.2:thunderbird-0:115.4.1-1.el9_2.alma.tuxcare.els1.x86_64", "AlmaLinux-9.2:thunderbird-0:115.4.1-1.el9_2.alma.tuxcare.els3.x86_64", "AlmaLinux-9.2:thunderbird-0:115.4.1-1.el9_2.alma.tuxcare.els4.x86_64" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://cve.tuxcare.com/els/cve/CVE-2026-8973" }, { "category": "external", "summary": "https://bugzilla.mozilla.org/buglist.cgi?bug_id=1362365%2C1860538%2C1929005%2C1983353%2C1998526%2C2023271%2C2023943%2C2024244%2C2024260%2C2024443%2C2024665%2C2024774%2C2024916%2C2025346%2C2025357%2C2025406%2C2025434%2C2025488%2C2025496%2C2025942%2C2025947%2C2025968%2C2026279%2C2027159%2C2027239%2C2027276%2C2027308%2C2027310%2C2027324%2C2027329%2C2027363%2C2027381%2C2027382%2C2027383%2C2028274%2C2028884%2C2029060%2C2029065%2C2029068%2C2029281%2C2029293%2C2029297%2C2029303%2C2029439%2C2029448%2C2029703%2C2029720%2C2029721%2C2029723%2C2029770%2C2029771%2C2029782%2C2029818%2C2029885%2C2030100%2C2030379%2C2030385%2C2030979%2C2031119%2C2031122%2C2034119%2C2034791%2C2035209%2C2036666%2C2037986", "url": "https://bugzilla.mozilla.org/buglist.cgi?bug_id=1362365%2C1860538%2C1929005%2C1983353%2C1998526%2C2023271%2C2023943%2C2024244%2C2024260%2C2024443%2C2024665%2C2024774%2C2024916%2C2025346%2C2025357%2C2025406%2C2025434%2C2025488%2C2025496%2C2025942%2C2025947%2C2025968%2C2026279%2C2027159%2C2027239%2C2027276%2C2027308%2C2027310%2C2027324%2C2027329%2C2027363%2C2027381%2C2027382%2C2027383%2C2028274%2C2028884%2C2029060%2C2029065%2C2029068%2C2029281%2C2029293%2C2029297%2C2029303%2C2029439%2C2029448%2C2029703%2C2029720%2C2029721%2C2029723%2C2029770%2C2029771%2C2029782%2C2029818%2C2029885%2C2030100%2C2030379%2C2030385%2C2030979%2C2031119%2C2031122%2C2034119%2C2034791%2C2035209%2C2036666%2C2037986" }, { "category": "external", "summary": "https://www.mozilla.org/security/advisories/mfsa2026-46/", "url": "https://www.mozilla.org/security/advisories/mfsa2026-46/" }, { "category": "external", "summary": "https://www.mozilla.org/security/advisories/mfsa2026-50/", "url": "https://www.mozilla.org/security/advisories/mfsa2026-50/" } ], "release_date": "2026-05-19T14:16:00Z", "threats": [ { "category": "impact", "details": "Moderate" }, { "category": "impact", "date": "2026-06-02T14:51:41.992135Z", "details": "unknown", "product_ids": [ "AlmaLinux-9.2:thunderbird-0:115.4.1-1.el9_2.alma.tuxcare.els1.x86_64", "AlmaLinux-9.2:thunderbird-0:115.4.1-1.el9_2.alma.tuxcare.els3.x86_64", "AlmaLinux-9.2:thunderbird-0:115.4.1-1.el9_2.alma.tuxcare.els4.x86_64" ] } ] } ] }