{ "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: double-free when exporting SAN otherName\n - debian/patches/CVE-2025-32988.patch: fix double-free triggered when\n exporting certificates with multiple SAN otherName entries.\n - CVE-2025-32988\n * SECURITY UPDATE: 1-byte heap write in certtool template parsing\n - debian/patches/CVE-2025-32990.patch: prevent 1-byte heap overwrite caused\n by malformed certificate template input in certtool.\n - CVE-2025-32990", "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/ubuntu16.04els/advisories/2025/clsa-2025_1758915545.json" }, { "category": "self", "summary": "https://cve.tuxcare.com/els/releases/CLSA-2025:1758915545", "url": "https://cve.tuxcare.com/els/releases/CLSA-2025:1758915545" } ], "tracking": { "current_release_date": "2025-09-26T19:39:55Z", "generator": { "date": "2025-09-26T19:39:55Z", "engine": { "name": "pyCSAF" } }, "id": "CLSA-2025:1758915545", "initial_release_date": "2025-09-26T19:39:55Z", "revision_history": [ { "date": "2025-09-26T19:39:55Z", "number": "1", "summary": "Initial version" } ], "status": "final", "version": "1" }, "title": "Fix CVE(s): CVE-2025-32988, CVE-2025-32990" }, "product_tree": { "branches": [ { "branches": [ { "branches": [ { "category": "product_name", "name": "Ubuntu 16.04", "product": { "name": "Ubuntu 16.04", "product_id": "Ubuntu-16", "product_identification_helper": { "cpe": "cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*" } } } ], "category": "product_family", "name": "Ubuntu" } ], "category": "vendor", "name": "Canonical Ltd." }, { "branches": [ { "branches": [ { "category": "product_version", "name": "gnutls-bin-0:3.4.10-4ubuntu1.9+tuxcare.els1.amd64", "product": { "name": "gnutls-bin-0:3.4.10-4ubuntu1.9+tuxcare.els1.amd64", "product_id": "gnutls-bin-0:3.4.10-4ubuntu1.9+tuxcare.els1.amd64", "product_identification_helper": { "purl": "pkg:deb/cloudlinux/gnutls-bin@3.4.10-4ubuntu1.9%2Btuxcare.els1?arch=amd64" } } }, { "category": "product_version", "name": "libgnutls28-dev-0:3.4.10-4ubuntu1.9+tuxcare.els1.amd64", "product": { "name": "libgnutls28-dev-0:3.4.10-4ubuntu1.9+tuxcare.els1.amd64", "product_id": "libgnutls28-dev-0:3.4.10-4ubuntu1.9+tuxcare.els1.amd64", "product_identification_helper": { "purl": "pkg:deb/cloudlinux/libgnutls28-dev@3.4.10-4ubuntu1.9%2Btuxcare.els1?arch=amd64" } } }, { "category": "product_version", "name": "libgnutlsxx28-0:3.4.10-4ubuntu1.9+tuxcare.els1.amd64", "product": { "name": "libgnutlsxx28-0:3.4.10-4ubuntu1.9+tuxcare.els1.amd64", "product_id": "libgnutlsxx28-0:3.4.10-4ubuntu1.9+tuxcare.els1.amd64", "product_identification_helper": { "purl": "pkg:deb/cloudlinux/libgnutlsxx28@3.4.10-4ubuntu1.9%2Btuxcare.els1?arch=amd64" } } }, { "category": "product_version", "name": "libgnutls-dev-0:3.4.10-4ubuntu1.9+tuxcare.els1.amd64", "product": { "name": "libgnutls-dev-0:3.4.10-4ubuntu1.9+tuxcare.els1.amd64", "product_id": "libgnutls-dev-0:3.4.10-4ubuntu1.9+tuxcare.els1.amd64", "product_identification_helper": { "purl": "pkg:deb/cloudlinux/libgnutls-dev@3.4.10-4ubuntu1.9%2Btuxcare.els1?arch=amd64" } } }, { "category": "product_version", "name": "libgnutls30-0:3.4.10-4ubuntu1.9+tuxcare.els1.amd64", "product": { "name": "libgnutls30-0:3.4.10-4ubuntu1.9+tuxcare.els1.amd64", "product_id": "libgnutls30-0:3.4.10-4ubuntu1.9+tuxcare.els1.amd64", "product_identification_helper": { "purl": "pkg:deb/cloudlinux/libgnutls30@3.4.10-4ubuntu1.9%2Btuxcare.els1?arch=amd64" } } }, { "category": "product_version", "name": "guile-gnutls-0:3.4.10-4ubuntu1.9+tuxcare.els1.amd64", "product": { "name": "guile-gnutls-0:3.4.10-4ubuntu1.9+tuxcare.els1.amd64", "product_id": "guile-gnutls-0:3.4.10-4ubuntu1.9+tuxcare.els1.amd64", "product_identification_helper": { "purl": "pkg:deb/cloudlinux/guile-gnutls@3.4.10-4ubuntu1.9%2Btuxcare.els1?arch=amd64" } } }, { "category": "product_version", "name": "libgnutls-openssl27-0:3.4.10-4ubuntu1.9+tuxcare.els1.amd64", "product": { "name": "libgnutls-openssl27-0:3.4.10-4ubuntu1.9+tuxcare.els1.amd64", "product_id": "libgnutls-openssl27-0:3.4.10-4ubuntu1.9+tuxcare.els1.amd64", "product_identification_helper": { "purl": "pkg:deb/cloudlinux/libgnutls-openssl27@3.4.10-4ubuntu1.9%2Btuxcare.els1?arch=amd64" } } } ], "category": "architecture", "name": "amd64" }, { "branches": [ { "category": "product_version", "name": "gnutls-doc-0:3.4.10-4ubuntu1.9+tuxcare.els1.all", "product": { "name": "gnutls-doc-0:3.4.10-4ubuntu1.9+tuxcare.els1.all", "product_id": "gnutls-doc-0:3.4.10-4ubuntu1.9+tuxcare.els1.all", "product_identification_helper": { "purl": "pkg:deb/cloudlinux/gnutls-doc@3.4.10-4ubuntu1.9%2Btuxcare.els1?arch=all" } } } ], "category": "architecture", "name": "all" } ], "category": "vendor", "name": "CloudLinux" } ], "relationships": [ { "category": "default_component_of", "full_product_name": { "name": "gnutls-bin-0:3.4.10-4ubuntu1.9+tuxcare.els1.amd64 as a component of Ubuntu 16.04", "product_id": "Ubuntu-16:gnutls-bin-0:3.4.10-4ubuntu1.9+tuxcare.els1.amd64" }, "product_reference": "gnutls-bin-0:3.4.10-4ubuntu1.9+tuxcare.els1.amd64", "relates_to_product_reference": "Ubuntu-16" }, { "category": "default_component_of", "full_product_name": { "name": "libgnutls28-dev-0:3.4.10-4ubuntu1.9+tuxcare.els1.amd64 as a component of Ubuntu 16.04", "product_id": "Ubuntu-16:libgnutls28-dev-0:3.4.10-4ubuntu1.9+tuxcare.els1.amd64" }, "product_reference": "libgnutls28-dev-0:3.4.10-4ubuntu1.9+tuxcare.els1.amd64", "relates_to_product_reference": "Ubuntu-16" }, { "category": "default_component_of", "full_product_name": { "name": "libgnutlsxx28-0:3.4.10-4ubuntu1.9+tuxcare.els1.amd64 as a component of Ubuntu 16.04", "product_id": "Ubuntu-16:libgnutlsxx28-0:3.4.10-4ubuntu1.9+tuxcare.els1.amd64" }, "product_reference": "libgnutlsxx28-0:3.4.10-4ubuntu1.9+tuxcare.els1.amd64", "relates_to_product_reference": "Ubuntu-16" }, { "category": "default_component_of", "full_product_name": { "name": "libgnutls-dev-0:3.4.10-4ubuntu1.9+tuxcare.els1.amd64 as a component of Ubuntu 16.04", "product_id": "Ubuntu-16:libgnutls-dev-0:3.4.10-4ubuntu1.9+tuxcare.els1.amd64" }, "product_reference": "libgnutls-dev-0:3.4.10-4ubuntu1.9+tuxcare.els1.amd64", "relates_to_product_reference": "Ubuntu-16" }, { "category": "default_component_of", "full_product_name": { "name": "gnutls-doc-0:3.4.10-4ubuntu1.9+tuxcare.els1.all as a component of Ubuntu 16.04", "product_id": "Ubuntu-16:gnutls-doc-0:3.4.10-4ubuntu1.9+tuxcare.els1.all" }, "product_reference": "gnutls-doc-0:3.4.10-4ubuntu1.9+tuxcare.els1.all", "relates_to_product_reference": "Ubuntu-16" }, { "category": "default_component_of", "full_product_name": { "name": "libgnutls30-0:3.4.10-4ubuntu1.9+tuxcare.els1.amd64 as a component of Ubuntu 16.04", "product_id": "Ubuntu-16:libgnutls30-0:3.4.10-4ubuntu1.9+tuxcare.els1.amd64" }, "product_reference": "libgnutls30-0:3.4.10-4ubuntu1.9+tuxcare.els1.amd64", "relates_to_product_reference": "Ubuntu-16" }, { "category": "default_component_of", "full_product_name": { "name": "guile-gnutls-0:3.4.10-4ubuntu1.9+tuxcare.els1.amd64 as a component of Ubuntu 16.04", "product_id": "Ubuntu-16:guile-gnutls-0:3.4.10-4ubuntu1.9+tuxcare.els1.amd64" }, "product_reference": "guile-gnutls-0:3.4.10-4ubuntu1.9+tuxcare.els1.amd64", "relates_to_product_reference": "Ubuntu-16" }, { "category": "default_component_of", "full_product_name": { "name": "libgnutls-openssl27-0:3.4.10-4ubuntu1.9+tuxcare.els1.amd64 as a component of Ubuntu 16.04", "product_id": "Ubuntu-16:libgnutls-openssl27-0:3.4.10-4ubuntu1.9+tuxcare.els1.amd64" }, "product_reference": "libgnutls-openssl27-0:3.4.10-4ubuntu1.9+tuxcare.els1.amd64", "relates_to_product_reference": "Ubuntu-16" } ] }, "vulnerabilities": [ { "cve": "CVE-2025-32988", "cwe": { "id": "CWE-415", "name": "Double Free" }, "notes": [ { "category": "description", "text": "A flaw was found in GnuTLS. A double-free vulnerability exists in GnuTLS due to incorrect ownership handling in the export logic of Subject Alternative Name (SAN) entries containing an otherName. If the type-id OID is invalid or malformed, GnuTLS will call asn1_delete_structure() on an ASN.1 node it does not own, leading to a double-free condition when the parent function or caller later attempts to free the same structure.\n\nThis vulnerability can be triggered using only public GnuTLS APIs and may result in denial of service or memory corruption, depending on allocator behavior.", "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": [ "Ubuntu-16:gnutls-bin-0:3.4.10-4ubuntu1.9+tuxcare.els1.amd64", "Ubuntu-16:libgnutls28-dev-0:3.4.10-4ubuntu1.9+tuxcare.els1.amd64", "Ubuntu-16:libgnutlsxx28-0:3.4.10-4ubuntu1.9+tuxcare.els1.amd64", "Ubuntu-16:libgnutls-dev-0:3.4.10-4ubuntu1.9+tuxcare.els1.amd64", "Ubuntu-16:gnutls-doc-0:3.4.10-4ubuntu1.9+tuxcare.els1.all", "Ubuntu-16:libgnutls30-0:3.4.10-4ubuntu1.9+tuxcare.els1.amd64", "Ubuntu-16:guile-gnutls-0:3.4.10-4ubuntu1.9+tuxcare.els1.amd64", "Ubuntu-16:libgnutls-openssl27-0:3.4.10-4ubuntu1.9+tuxcare.els1.amd64" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://cve.tuxcare.com/els/cve/CVE-2025-32988" }, { "category": "external", "summary": "https://access.redhat.com/errata/RHSA-2025:16115", "url": "https://access.redhat.com/errata/RHSA-2025:16115" }, { "category": "external", "summary": "https://access.redhat.com/errata/RHSA-2025:16116", "url": "https://access.redhat.com/errata/RHSA-2025:16116" }, { "category": "external", "summary": "https://access.redhat.com/security/cve/CVE-2025-32988", "url": "https://access.redhat.com/security/cve/CVE-2025-32988" }, { "category": "external", "summary": "https://bugzilla.redhat.com/show_bug.cgi?id=2359622", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2359622" } ], "release_date": "2025-07-10T08:15:00", "scores": [ { "cvss_v3": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.2, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H", "version": "3.1" }, "products": [ "Ubuntu-16:gnutls-bin-0:3.4.10-4ubuntu1.9+tuxcare.els1.amd64", "Ubuntu-16:libgnutls28-dev-0:3.4.10-4ubuntu1.9+tuxcare.els1.amd64", "Ubuntu-16:libgnutlsxx28-0:3.4.10-4ubuntu1.9+tuxcare.els1.amd64", "Ubuntu-16:libgnutls-dev-0:3.4.10-4ubuntu1.9+tuxcare.els1.amd64", "Ubuntu-16:gnutls-doc-0:3.4.10-4ubuntu1.9+tuxcare.els1.all", "Ubuntu-16:libgnutls30-0:3.4.10-4ubuntu1.9+tuxcare.els1.amd64", "Ubuntu-16:guile-gnutls-0:3.4.10-4ubuntu1.9+tuxcare.els1.amd64", "Ubuntu-16:libgnutls-openssl27-0:3.4.10-4ubuntu1.9+tuxcare.els1.amd64" ] } ], "threats": [ { "category": "impact", "details": "High" } ] }, { "cve": "CVE-2025-32990", "cwe": { "id": "CWE-122", "name": "Heap-based Buffer Overflow" }, "notes": [ { "category": "description", "text": "A heap-buffer-overflow (off-by-one) flaw was found in the GnuTLS software in the template parsing logic within the certtool utility. When it reads certain settings from a template file, it allows an attacker to cause an out-of-bounds (OOB) NULL pointer write, resulting in memory corruption and a denial-of-service (DoS) that could potentially crash the system.", "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": [ "Ubuntu-16:gnutls-bin-0:3.4.10-4ubuntu1.9+tuxcare.els1.amd64", "Ubuntu-16:libgnutls28-dev-0:3.4.10-4ubuntu1.9+tuxcare.els1.amd64", "Ubuntu-16:libgnutlsxx28-0:3.4.10-4ubuntu1.9+tuxcare.els1.amd64", "Ubuntu-16:libgnutls-dev-0:3.4.10-4ubuntu1.9+tuxcare.els1.amd64", "Ubuntu-16:gnutls-doc-0:3.4.10-4ubuntu1.9+tuxcare.els1.all", "Ubuntu-16:libgnutls30-0:3.4.10-4ubuntu1.9+tuxcare.els1.amd64", "Ubuntu-16:guile-gnutls-0:3.4.10-4ubuntu1.9+tuxcare.els1.amd64", "Ubuntu-16:libgnutls-openssl27-0:3.4.10-4ubuntu1.9+tuxcare.els1.amd64" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://cve.tuxcare.com/els/cve/CVE-2025-32990" }, { "category": "external", "summary": "https://access.redhat.com/errata/RHSA-2025:16115", "url": "https://access.redhat.com/errata/RHSA-2025:16115" }, { "category": "external", "summary": "https://access.redhat.com/errata/RHSA-2025:16116", "url": "https://access.redhat.com/errata/RHSA-2025:16116" }, { "category": "external", "summary": "https://access.redhat.com/security/cve/CVE-2025-32990", "url": "https://access.redhat.com/security/cve/CVE-2025-32990" }, { "category": "external", "summary": "https://bugzilla.redhat.com/show_bug.cgi?id=2359620", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2359620" } ], "release_date": "2025-07-10T10:15:00", "scores": [ { "cvss_v3": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.2, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H", "version": "3.1" }, "products": [ "Ubuntu-16:gnutls-bin-0:3.4.10-4ubuntu1.9+tuxcare.els1.amd64", "Ubuntu-16:libgnutls28-dev-0:3.4.10-4ubuntu1.9+tuxcare.els1.amd64", "Ubuntu-16:libgnutlsxx28-0:3.4.10-4ubuntu1.9+tuxcare.els1.amd64", "Ubuntu-16:libgnutls-dev-0:3.4.10-4ubuntu1.9+tuxcare.els1.amd64", "Ubuntu-16:gnutls-doc-0:3.4.10-4ubuntu1.9+tuxcare.els1.all", "Ubuntu-16:libgnutls30-0:3.4.10-4ubuntu1.9+tuxcare.els1.amd64", "Ubuntu-16:guile-gnutls-0:3.4.10-4ubuntu1.9+tuxcare.els1.amd64", "Ubuntu-16:libgnutls-openssl27-0:3.4.10-4ubuntu1.9+tuxcare.els1.amd64" ] } ], "threats": [ { "category": "impact", "details": "High" } ] } ] }