{ "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": "CVE-2025-62231: fix improper bounds checking in XkbSetCompatMap() function to\n prevent unsigned short overflow and potential memory corruption or crash", "title": "Details" } ], "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/advisories/2025/clsa-2025_1763138343.json" }, { "category": "self", "summary": "https://cve.tuxcare.com/els/releases/CLSA-2025:1763138343", "url": "https://cve.tuxcare.com/els/releases/CLSA-2025:1763138343" } ], "tracking": { "current_release_date": "2026-02-16T09:49:08Z", "generator": { "date": "2026-02-16T09:49:08Z", "engine": { "name": "pyCSAF" } }, "id": "CLSA-2025:1763138343", "initial_release_date": "2025-11-14T16:39:49Z", "revision_history": [ { "date": "2025-11-14T16:39:49Z", "number": "1", "summary": "Initial version" }, { "date": "2026-02-16T09:49:08Z", "number": "2", "summary": "Update document" } ], "status": "final", "version": "2" }, "title": "tigervnc: Fix of CVE-2025-62231" }, "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": "tigervnc-license-0:1.12.0-13.el9_2.tuxcare.els21.noarch", "product": { "name": "tigervnc-license-0:1.12.0-13.el9_2.tuxcare.els21.noarch", "product_id": "tigervnc-license-0:1.12.0-13.el9_2.tuxcare.els21.noarch", "product_identification_helper": { "purl": "pkg:rpm/tuxcare/tigervnc-license@1.12.0-13.el9_2.tuxcare.els21?arch=noarch" } } }, { "category": "product_version", "name": "tigervnc-selinux-0:1.12.0-13.el9_2.tuxcare.els21.noarch", "product": { "name": "tigervnc-selinux-0:1.12.0-13.el9_2.tuxcare.els21.noarch", "product_id": "tigervnc-selinux-0:1.12.0-13.el9_2.tuxcare.els21.noarch", "product_identification_helper": { "purl": "pkg:rpm/tuxcare/tigervnc-selinux@1.12.0-13.el9_2.tuxcare.els21?arch=noarch" } } }, { "category": "product_version", "name": "tigervnc-icons-0:1.12.0-13.el9_2.tuxcare.els21.noarch", "product": { "name": "tigervnc-icons-0:1.12.0-13.el9_2.tuxcare.els21.noarch", "product_id": "tigervnc-icons-0:1.12.0-13.el9_2.tuxcare.els21.noarch", "product_identification_helper": { "purl": "pkg:rpm/tuxcare/tigervnc-icons@1.12.0-13.el9_2.tuxcare.els21?arch=noarch" } } } ], "category": "architecture", "name": "noarch" }, { "branches": [ { "category": "product_version", "name": "tigervnc-server-0:1.12.0-13.el9_2.tuxcare.els21.x86_64", "product": { "name": "tigervnc-server-0:1.12.0-13.el9_2.tuxcare.els21.x86_64", "product_id": "tigervnc-server-0:1.12.0-13.el9_2.tuxcare.els21.x86_64", "product_identification_helper": { "purl": "pkg:rpm/tuxcare/tigervnc-server@1.12.0-13.el9_2.tuxcare.els21?arch=x86_64" } } }, { "category": "product_version", "name": "tigervnc-server-minimal-0:1.12.0-13.el9_2.tuxcare.els21.x86_64", "product": { "name": "tigervnc-server-minimal-0:1.12.0-13.el9_2.tuxcare.els21.x86_64", "product_id": "tigervnc-server-minimal-0:1.12.0-13.el9_2.tuxcare.els21.x86_64", "product_identification_helper": { "purl": "pkg:rpm/tuxcare/tigervnc-server-minimal@1.12.0-13.el9_2.tuxcare.els21?arch=x86_64" } } }, { "category": "product_version", "name": "tigervnc-server-module-0:1.12.0-13.el9_2.tuxcare.els21.x86_64", "product": { "name": "tigervnc-server-module-0:1.12.0-13.el9_2.tuxcare.els21.x86_64", "product_id": "tigervnc-server-module-0:1.12.0-13.el9_2.tuxcare.els21.x86_64", "product_identification_helper": { "purl": "pkg:rpm/tuxcare/tigervnc-server-module@1.12.0-13.el9_2.tuxcare.els21?arch=x86_64" } } }, { "category": "product_version", "name": "tigervnc-0:1.12.0-13.el9_2.tuxcare.els21.x86_64", "product": { "name": "tigervnc-0:1.12.0-13.el9_2.tuxcare.els21.x86_64", "product_id": "tigervnc-0:1.12.0-13.el9_2.tuxcare.els21.x86_64", "product_identification_helper": { "purl": "pkg:rpm/tuxcare/tigervnc@1.12.0-13.el9_2.tuxcare.els21?arch=x86_64" } } } ], "category": "architecture", "name": "x86_64" } ], "category": "vendor", "name": "TuxCare" } ], "relationships": [ { "category": "default_component_of", "full_product_name": { "name": "tigervnc-license-0:1.12.0-13.el9_2.tuxcare.els21.noarch as a component of AlmaLinux 9.2", "product_id": "AlmaLinux-9.2:tigervnc-license-0:1.12.0-13.el9_2.tuxcare.els21.noarch" }, "product_reference": "tigervnc-license-0:1.12.0-13.el9_2.tuxcare.els21.noarch", "relates_to_product_reference": "AlmaLinux-9.2" }, { "category": "default_component_of", "full_product_name": { "name": "tigervnc-server-0:1.12.0-13.el9_2.tuxcare.els21.x86_64 as a component of AlmaLinux 9.2", "product_id": "AlmaLinux-9.2:tigervnc-server-0:1.12.0-13.el9_2.tuxcare.els21.x86_64" }, "product_reference": "tigervnc-server-0:1.12.0-13.el9_2.tuxcare.els21.x86_64", "relates_to_product_reference": "AlmaLinux-9.2" }, { "category": "default_component_of", "full_product_name": { "name": "tigervnc-server-minimal-0:1.12.0-13.el9_2.tuxcare.els21.x86_64 as a component of AlmaLinux 9.2", "product_id": "AlmaLinux-9.2:tigervnc-server-minimal-0:1.12.0-13.el9_2.tuxcare.els21.x86_64" }, "product_reference": "tigervnc-server-minimal-0:1.12.0-13.el9_2.tuxcare.els21.x86_64", "relates_to_product_reference": "AlmaLinux-9.2" }, { "category": "default_component_of", "full_product_name": { "name": "tigervnc-selinux-0:1.12.0-13.el9_2.tuxcare.els21.noarch as a component of AlmaLinux 9.2", "product_id": "AlmaLinux-9.2:tigervnc-selinux-0:1.12.0-13.el9_2.tuxcare.els21.noarch" }, "product_reference": "tigervnc-selinux-0:1.12.0-13.el9_2.tuxcare.els21.noarch", "relates_to_product_reference": "AlmaLinux-9.2" }, { "category": "default_component_of", "full_product_name": { "name": "tigervnc-icons-0:1.12.0-13.el9_2.tuxcare.els21.noarch as a component of AlmaLinux 9.2", "product_id": "AlmaLinux-9.2:tigervnc-icons-0:1.12.0-13.el9_2.tuxcare.els21.noarch" }, "product_reference": "tigervnc-icons-0:1.12.0-13.el9_2.tuxcare.els21.noarch", "relates_to_product_reference": "AlmaLinux-9.2" }, { "category": "default_component_of", "full_product_name": { "name": "tigervnc-server-module-0:1.12.0-13.el9_2.tuxcare.els21.x86_64 as a component of AlmaLinux 9.2", "product_id": "AlmaLinux-9.2:tigervnc-server-module-0:1.12.0-13.el9_2.tuxcare.els21.x86_64" }, "product_reference": "tigervnc-server-module-0:1.12.0-13.el9_2.tuxcare.els21.x86_64", "relates_to_product_reference": "AlmaLinux-9.2" }, { "category": "default_component_of", "full_product_name": { "name": "tigervnc-0:1.12.0-13.el9_2.tuxcare.els21.x86_64 as a component of AlmaLinux 9.2", "product_id": "AlmaLinux-9.2:tigervnc-0:1.12.0-13.el9_2.tuxcare.els21.x86_64" }, "product_reference": "tigervnc-0:1.12.0-13.el9_2.tuxcare.els21.x86_64", "relates_to_product_reference": "AlmaLinux-9.2" } ] }, "vulnerabilities": [ { "cve": "CVE-2025-62229", "cwe": { "id": "CWE-416", "name": "Use After Free" }, "notes": [ { "category": "description", "text": "A flaw was found in the X.Org X server and Xwayland when processing X11 Present extension notifications. Improper error handling during notification creation can leave dangling pointers that lead to a use-after-free condition. This can cause memory corruption or a crash, potentially allowing an attacker to execute arbitrary code or cause a denial of service.", "title": "Vulnerability description" }, { "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": { "fixed": [ "AlmaLinux-9.2:tigervnc-0:1.12.0-13.el9_2.tuxcare.els21.x86_64", "AlmaLinux-9.2:tigervnc-icons-0:1.12.0-13.el9_2.tuxcare.els21.noarch", "AlmaLinux-9.2:tigervnc-license-0:1.12.0-13.el9_2.tuxcare.els21.noarch", "AlmaLinux-9.2:tigervnc-selinux-0:1.12.0-13.el9_2.tuxcare.els21.noarch", "AlmaLinux-9.2:tigervnc-server-0:1.12.0-13.el9_2.tuxcare.els21.x86_64", "AlmaLinux-9.2:tigervnc-server-minimal-0:1.12.0-13.el9_2.tuxcare.els21.x86_64", "AlmaLinux-9.2:tigervnc-server-module-0:1.12.0-13.el9_2.tuxcare.els21.x86_64" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://cve.tuxcare.com/els/cve/CVE-2025-62229" } ], "release_date": "2025-10-29T00:00:00Z", "remediations": [ { "category": "vendor_fix", "date": "2025-11-14T16:39:05.832282Z", "details": "Details on how to apply the fix are available at: https://cve.tuxcare.com/els/releases/CLSA-2025:1763138343", "product_ids": [ "AlmaLinux-9.2:tigervnc-0:1.12.0-13.el9_2.tuxcare.els21.x86_64", "AlmaLinux-9.2:tigervnc-icons-0:1.12.0-13.el9_2.tuxcare.els21.noarch", "AlmaLinux-9.2:tigervnc-license-0:1.12.0-13.el9_2.tuxcare.els21.noarch", "AlmaLinux-9.2:tigervnc-selinux-0:1.12.0-13.el9_2.tuxcare.els21.noarch", "AlmaLinux-9.2:tigervnc-server-0:1.12.0-13.el9_2.tuxcare.els21.x86_64", "AlmaLinux-9.2:tigervnc-server-minimal-0:1.12.0-13.el9_2.tuxcare.els21.x86_64", "AlmaLinux-9.2:tigervnc-server-module-0:1.12.0-13.el9_2.tuxcare.els21.x86_64" ], "url": "https://cve.tuxcare.com/els/releases/CLSA-2025:1763138343" } ], "scores": [ { "cvss_v3": { "attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.3, "baseSeverity": "HIGH", "confidentialityImpact": "LOW", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:H", "version": "3.1" }, "products": [ "AlmaLinux-9.2:tigervnc-0:1.12.0-13.el9_2.tuxcare.els21.x86_64", "AlmaLinux-9.2:tigervnc-icons-0:1.12.0-13.el9_2.tuxcare.els21.noarch", "AlmaLinux-9.2:tigervnc-license-0:1.12.0-13.el9_2.tuxcare.els21.noarch", "AlmaLinux-9.2:tigervnc-selinux-0:1.12.0-13.el9_2.tuxcare.els21.noarch", "AlmaLinux-9.2:tigervnc-server-0:1.12.0-13.el9_2.tuxcare.els21.x86_64", "AlmaLinux-9.2:tigervnc-server-minimal-0:1.12.0-13.el9_2.tuxcare.els21.x86_64", "AlmaLinux-9.2:tigervnc-server-module-0:1.12.0-13.el9_2.tuxcare.els21.x86_64" ] } ], "threats": [ { "category": "impact", "details": "Important" } ] }, { "cve": "CVE-2025-62231", "cwe": { "id": "CWE-190", "name": "Integer Overflow or Wraparound" }, "notes": [ { "category": "description", "text": "A flaw was identified in the X.Org X server’s X Keyboard (Xkb) extension where improper bounds checking in the XkbSetCompatMap() function can cause an unsigned short overflow. If an attacker sends specially crafted input data, the value calculation may overflow, leading to memory corruption or a crash.", "title": "Vulnerability description" }, { "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": { "fixed": [ "AlmaLinux-9.2:tigervnc-0:1.12.0-13.el9_2.tuxcare.els21.x86_64", "AlmaLinux-9.2:tigervnc-icons-0:1.12.0-13.el9_2.tuxcare.els21.noarch", "AlmaLinux-9.2:tigervnc-license-0:1.12.0-13.el9_2.tuxcare.els21.noarch", "AlmaLinux-9.2:tigervnc-selinux-0:1.12.0-13.el9_2.tuxcare.els21.noarch", "AlmaLinux-9.2:tigervnc-server-0:1.12.0-13.el9_2.tuxcare.els21.x86_64", "AlmaLinux-9.2:tigervnc-server-minimal-0:1.12.0-13.el9_2.tuxcare.els21.x86_64", "AlmaLinux-9.2:tigervnc-server-module-0:1.12.0-13.el9_2.tuxcare.els21.x86_64" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://cve.tuxcare.com/els/cve/CVE-2025-62231" } ], "release_date": "2025-10-29T00:00:00Z", "remediations": [ { "category": "vendor_fix", "date": "2025-11-14T16:39:05.832282Z", "details": "Details on how to apply the fix are available at: https://cve.tuxcare.com/els/releases/CLSA-2025:1763138343", "product_ids": [ "AlmaLinux-9.2:tigervnc-0:1.12.0-13.el9_2.tuxcare.els21.x86_64", "AlmaLinux-9.2:tigervnc-icons-0:1.12.0-13.el9_2.tuxcare.els21.noarch", "AlmaLinux-9.2:tigervnc-license-0:1.12.0-13.el9_2.tuxcare.els21.noarch", "AlmaLinux-9.2:tigervnc-selinux-0:1.12.0-13.el9_2.tuxcare.els21.noarch", "AlmaLinux-9.2:tigervnc-server-0:1.12.0-13.el9_2.tuxcare.els21.x86_64", "AlmaLinux-9.2:tigervnc-server-minimal-0:1.12.0-13.el9_2.tuxcare.els21.x86_64", "AlmaLinux-9.2:tigervnc-server-module-0:1.12.0-13.el9_2.tuxcare.els21.x86_64" ], "url": "https://cve.tuxcare.com/els/releases/CLSA-2025:1763138343" } ], "scores": [ { "cvss_v3": { "attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.3, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:H", "version": "3.1" }, "products": [ "AlmaLinux-9.2:tigervnc-0:1.12.0-13.el9_2.tuxcare.els21.x86_64", "AlmaLinux-9.2:tigervnc-icons-0:1.12.0-13.el9_2.tuxcare.els21.noarch", "AlmaLinux-9.2:tigervnc-license-0:1.12.0-13.el9_2.tuxcare.els21.noarch", "AlmaLinux-9.2:tigervnc-selinux-0:1.12.0-13.el9_2.tuxcare.els21.noarch", "AlmaLinux-9.2:tigervnc-server-0:1.12.0-13.el9_2.tuxcare.els21.x86_64", "AlmaLinux-9.2:tigervnc-server-minimal-0:1.12.0-13.el9_2.tuxcare.els21.x86_64", "AlmaLinux-9.2:tigervnc-server-module-0:1.12.0-13.el9_2.tuxcare.els21.x86_64" ] } ], "threats": [ { "category": "impact", "details": "Important" } ] } ] }