{ "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/rhel7els/vex/2026/cve-2026-3497-els_os-rhel7els.json" } ], "tracking": { "current_release_date": "2026-03-25T17:40:49Z", "generator": { "date": "2026-03-25T17:40:49Z", "engine": { "name": "pyCSAF" } }, "id": "CVE-2026-3497-ELS_OS-RHEL7ELS", "initial_release_date": "2026-03-12T19:16:00Z", "revision_history": [ { "date": "2026-03-12T19:16:00Z", "number": "1", "summary": "Initial version" }, { "date": "2026-03-14T09:18:13Z", "number": "2", "summary": "Official Publication" }, { "date": "2026-03-25T17:40:49Z", "number": "3", "summary": "Update document" } ], "status": "final", "version": "3" }, "title": "Security update on CVE-2026-3497" }, "product_tree": { "branches": [ { "branches": [ { "branches": [ { "category": "product_name", "name": "Red Hat Enterprise Linux 7", "product": { "name": "Red Hat Enterprise Linux 7", "product_id": "Red-Hat-7", "product_identification_helper": { "cpe": "cpe:2.3:o:redhat:enterprise_linux:7:*:*:*:*:*:*:*" } } } ], "category": "product_family", "name": "Red Hat Enterprise Linux" } ], "category": "vendor", "name": "Red Hat, Inc." }, { "branches": [ { "branches": [ { "category": "product_version", "name": "openssh-ldap-0:7.4p1-23.0.3.el7_9.tuxcare.els2.x86_64", "product": { "name": "openssh-ldap-0:7.4p1-23.0.3.el7_9.tuxcare.els2.x86_64", "product_id": "openssh-ldap-0:7.4p1-23.0.3.el7_9.tuxcare.els2.x86_64", "product_identification_helper": { "purl": "pkg:rpm/tuxcare/openssh-ldap@7.4p1-23.0.3.el7_9.tuxcare.els2?arch=x86_64" } } }, { "category": "product_version", "name": "pam_ssh_agent_auth-0:0.10.3-2.23.0.3.el7_9.tuxcare.els2.x86_64", "product": { "name": "pam_ssh_agent_auth-0:0.10.3-2.23.0.3.el7_9.tuxcare.els2.x86_64", "product_id": "pam_ssh_agent_auth-0:0.10.3-2.23.0.3.el7_9.tuxcare.els2.x86_64", "product_identification_helper": { "purl": "pkg:rpm/tuxcare/pam_ssh_agent_auth@0.10.3-2.23.0.3.el7_9.tuxcare.els2?arch=x86_64" } } }, { "category": "product_version", "name": "openssh-0:7.4p1-23.0.3.el7_9.tuxcare.els2.x86_64", "product": { "name": "openssh-0:7.4p1-23.0.3.el7_9.tuxcare.els2.x86_64", "product_id": "openssh-0:7.4p1-23.0.3.el7_9.tuxcare.els2.x86_64", "product_identification_helper": { "purl": "pkg:rpm/tuxcare/openssh@7.4p1-23.0.3.el7_9.tuxcare.els2?arch=x86_64" } } }, { "category": "product_version", "name": "openssh-cavs-0:7.4p1-23.0.3.el7_9.tuxcare.els2.x86_64", "product": { "name": "openssh-cavs-0:7.4p1-23.0.3.el7_9.tuxcare.els2.x86_64", "product_id": "openssh-cavs-0:7.4p1-23.0.3.el7_9.tuxcare.els2.x86_64", "product_identification_helper": { "purl": "pkg:rpm/tuxcare/openssh-cavs@7.4p1-23.0.3.el7_9.tuxcare.els2?arch=x86_64" } } }, { "category": "product_version", "name": "openssh-keycat-0:7.4p1-23.0.3.el7_9.tuxcare.els2.x86_64", "product": { "name": "openssh-keycat-0:7.4p1-23.0.3.el7_9.tuxcare.els2.x86_64", "product_id": "openssh-keycat-0:7.4p1-23.0.3.el7_9.tuxcare.els2.x86_64", "product_identification_helper": { "purl": "pkg:rpm/tuxcare/openssh-keycat@7.4p1-23.0.3.el7_9.tuxcare.els2?arch=x86_64" } } }, { "category": "product_version", "name": "openssh-server-0:7.4p1-23.0.3.el7_9.tuxcare.els2.x86_64", "product": { "name": "openssh-server-0:7.4p1-23.0.3.el7_9.tuxcare.els2.x86_64", "product_id": "openssh-server-0:7.4p1-23.0.3.el7_9.tuxcare.els2.x86_64", "product_identification_helper": { "purl": "pkg:rpm/tuxcare/openssh-server@7.4p1-23.0.3.el7_9.tuxcare.els2?arch=x86_64" } } }, { "category": "product_version", "name": "openssh-clients-0:7.4p1-23.0.3.el7_9.tuxcare.els2.x86_64", "product": { "name": "openssh-clients-0:7.4p1-23.0.3.el7_9.tuxcare.els2.x86_64", "product_id": "openssh-clients-0:7.4p1-23.0.3.el7_9.tuxcare.els2.x86_64", "product_identification_helper": { "purl": "pkg:rpm/tuxcare/openssh-clients@7.4p1-23.0.3.el7_9.tuxcare.els2?arch=x86_64" } } }, { "category": "product_version", "name": "openssh-askpass-0:7.4p1-23.0.3.el7_9.tuxcare.els2.x86_64", "product": { "name": "openssh-askpass-0:7.4p1-23.0.3.el7_9.tuxcare.els2.x86_64", "product_id": "openssh-askpass-0:7.4p1-23.0.3.el7_9.tuxcare.els2.x86_64", "product_identification_helper": { "purl": "pkg:rpm/tuxcare/openssh-askpass@7.4p1-23.0.3.el7_9.tuxcare.els2?arch=x86_64" } } }, { "category": "product_version", "name": "openssh-server-sysvinit-0:7.4p1-23.0.3.el7_9.tuxcare.els2.x86_64", "product": { "name": "openssh-server-sysvinit-0:7.4p1-23.0.3.el7_9.tuxcare.els2.x86_64", "product_id": "openssh-server-sysvinit-0:7.4p1-23.0.3.el7_9.tuxcare.els2.x86_64", "product_identification_helper": { "purl": "pkg:rpm/tuxcare/openssh-server-sysvinit@7.4p1-23.0.3.el7_9.tuxcare.els2?arch=x86_64" } } } ], "category": "architecture", "name": "x86_64" }, { "branches": [ { "category": "product_version", "name": "pam_ssh_agent_auth-0:0.10.3-2.23.0.3.el7_9.tuxcare.els2.i686", "product": { "name": "pam_ssh_agent_auth-0:0.10.3-2.23.0.3.el7_9.tuxcare.els2.i686", "product_id": "pam_ssh_agent_auth-0:0.10.3-2.23.0.3.el7_9.tuxcare.els2.i686", "product_identification_helper": { "purl": "pkg:rpm/tuxcare/pam_ssh_agent_auth@0.10.3-2.23.0.3.el7_9.tuxcare.els2?arch=i686" } } } ], "category": "architecture", "name": "i686" } ], "category": "vendor", "name": "TuxCare" } ], "relationships": [ { "category": "default_component_of", "full_product_name": { "name": "openssh-ldap-0:7.4p1-23.0.3.el7_9.tuxcare.els2.x86_64 as a component of Red Hat Enterprise Linux 7", "product_id": "Red-Hat-7:openssh-ldap-0:7.4p1-23.0.3.el7_9.tuxcare.els2.x86_64" }, "product_reference": "openssh-ldap-0:7.4p1-23.0.3.el7_9.tuxcare.els2.x86_64", "relates_to_product_reference": "Red-Hat-7" }, { "category": "default_component_of", "full_product_name": { "name": "pam_ssh_agent_auth-0:0.10.3-2.23.0.3.el7_9.tuxcare.els2.i686 as a component of Red Hat Enterprise Linux 7", "product_id": "Red-Hat-7:pam_ssh_agent_auth-0:0.10.3-2.23.0.3.el7_9.tuxcare.els2.i686" }, "product_reference": "pam_ssh_agent_auth-0:0.10.3-2.23.0.3.el7_9.tuxcare.els2.i686", "relates_to_product_reference": "Red-Hat-7" }, { "category": "default_component_of", "full_product_name": { "name": "pam_ssh_agent_auth-0:0.10.3-2.23.0.3.el7_9.tuxcare.els2.x86_64 as a component of Red Hat Enterprise Linux 7", "product_id": "Red-Hat-7:pam_ssh_agent_auth-0:0.10.3-2.23.0.3.el7_9.tuxcare.els2.x86_64" }, "product_reference": "pam_ssh_agent_auth-0:0.10.3-2.23.0.3.el7_9.tuxcare.els2.x86_64", "relates_to_product_reference": "Red-Hat-7" }, { "category": "default_component_of", "full_product_name": { "name": "openssh-0:7.4p1-23.0.3.el7_9.tuxcare.els2.x86_64 as a component of Red Hat Enterprise Linux 7", "product_id": "Red-Hat-7:openssh-0:7.4p1-23.0.3.el7_9.tuxcare.els2.x86_64" }, "product_reference": "openssh-0:7.4p1-23.0.3.el7_9.tuxcare.els2.x86_64", "relates_to_product_reference": "Red-Hat-7" }, { "category": "default_component_of", "full_product_name": { "name": "openssh-cavs-0:7.4p1-23.0.3.el7_9.tuxcare.els2.x86_64 as a component of Red Hat Enterprise Linux 7", "product_id": "Red-Hat-7:openssh-cavs-0:7.4p1-23.0.3.el7_9.tuxcare.els2.x86_64" }, "product_reference": "openssh-cavs-0:7.4p1-23.0.3.el7_9.tuxcare.els2.x86_64", "relates_to_product_reference": "Red-Hat-7" }, { "category": "default_component_of", "full_product_name": { "name": "openssh-keycat-0:7.4p1-23.0.3.el7_9.tuxcare.els2.x86_64 as a component of Red Hat Enterprise Linux 7", "product_id": "Red-Hat-7:openssh-keycat-0:7.4p1-23.0.3.el7_9.tuxcare.els2.x86_64" }, "product_reference": "openssh-keycat-0:7.4p1-23.0.3.el7_9.tuxcare.els2.x86_64", "relates_to_product_reference": "Red-Hat-7" }, { "category": "default_component_of", "full_product_name": { "name": "openssh-server-0:7.4p1-23.0.3.el7_9.tuxcare.els2.x86_64 as a component of Red Hat Enterprise Linux 7", "product_id": "Red-Hat-7:openssh-server-0:7.4p1-23.0.3.el7_9.tuxcare.els2.x86_64" }, "product_reference": "openssh-server-0:7.4p1-23.0.3.el7_9.tuxcare.els2.x86_64", "relates_to_product_reference": "Red-Hat-7" }, { "category": "default_component_of", "full_product_name": { "name": "openssh-clients-0:7.4p1-23.0.3.el7_9.tuxcare.els2.x86_64 as a component of Red Hat Enterprise Linux 7", "product_id": "Red-Hat-7:openssh-clients-0:7.4p1-23.0.3.el7_9.tuxcare.els2.x86_64" }, "product_reference": "openssh-clients-0:7.4p1-23.0.3.el7_9.tuxcare.els2.x86_64", "relates_to_product_reference": "Red-Hat-7" }, { "category": "default_component_of", "full_product_name": { "name": "openssh-askpass-0:7.4p1-23.0.3.el7_9.tuxcare.els2.x86_64 as a component of Red Hat Enterprise Linux 7", "product_id": "Red-Hat-7:openssh-askpass-0:7.4p1-23.0.3.el7_9.tuxcare.els2.x86_64" }, "product_reference": "openssh-askpass-0:7.4p1-23.0.3.el7_9.tuxcare.els2.x86_64", "relates_to_product_reference": "Red-Hat-7" }, { "category": "default_component_of", "full_product_name": { "name": "openssh-server-sysvinit-0:7.4p1-23.0.3.el7_9.tuxcare.els2.x86_64 as a component of Red Hat Enterprise Linux 7", "product_id": "Red-Hat-7:openssh-server-sysvinit-0:7.4p1-23.0.3.el7_9.tuxcare.els2.x86_64" }, "product_reference": "openssh-server-sysvinit-0:7.4p1-23.0.3.el7_9.tuxcare.els2.x86_64", "relates_to_product_reference": "Red-Hat-7" } ] }, "vulnerabilities": [ { "cve": "CVE-2026-3497", "cwe": { "id": "CWE-908", "name": "Use of Uninitialized Resource" }, "notes": [ { "category": "description", "text": "A flaw was found in the OpenSSH GSSAPI (Generic Security Service Application Program Interface) delta patches, as included in various Linux distributions. A remote attacker could exploit this by sending an unexpected GSSAPI message type during the key exchange process. This occurs because the `sshpkt_disconnect()` function, when called on an error, does not properly terminate the process, leading to the continued execution of the program with uninitialized connection variables. Accessing these uninitialized variables can lead to undefined behavior, potentially resulting in information disclosure or 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" }, { "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": [ "Red-Hat-7:openssh-0:7.4p1-23.0.3.el7_9.tuxcare.els2.x86_64", "Red-Hat-7:openssh-askpass-0:7.4p1-23.0.3.el7_9.tuxcare.els2.x86_64", "Red-Hat-7:openssh-cavs-0:7.4p1-23.0.3.el7_9.tuxcare.els2.x86_64", "Red-Hat-7:openssh-clients-0:7.4p1-23.0.3.el7_9.tuxcare.els2.x86_64", "Red-Hat-7:openssh-keycat-0:7.4p1-23.0.3.el7_9.tuxcare.els2.x86_64", "Red-Hat-7:openssh-ldap-0:7.4p1-23.0.3.el7_9.tuxcare.els2.x86_64", "Red-Hat-7:openssh-server-0:7.4p1-23.0.3.el7_9.tuxcare.els2.x86_64", "Red-Hat-7:openssh-server-sysvinit-0:7.4p1-23.0.3.el7_9.tuxcare.els2.x86_64", "Red-Hat-7:pam_ssh_agent_auth-0:0.10.3-2.23.0.3.el7_9.tuxcare.els2.i686", "Red-Hat-7:pam_ssh_agent_auth-0:0.10.3-2.23.0.3.el7_9.tuxcare.els2.x86_64" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://cve.tuxcare.com/els/cve/CVE-2026-3497" }, { "category": "external", "summary": "https://ubuntu.com/security/CVE-2026-3497", "url": "https://ubuntu.com/security/CVE-2026-3497" }, { "category": "external", "summary": "https://www.openwall.com/lists/oss-security/2026/03/12/3", "url": "https://www.openwall.com/lists/oss-security/2026/03/12/3" }, { "category": "external", "summary": "http://www.openwall.com/lists/oss-security/2026/03/12/3", "url": "http://www.openwall.com/lists/oss-security/2026/03/12/3" } ], "release_date": "2026-03-12T19:16:00Z", "scores": [ { "cvss_v3": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.2, "baseSeverity": "HIGH", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H", "version": "3.1" }, "products": [ "Red-Hat-7:openssh-0:7.4p1-23.0.3.el7_9.tuxcare.els2.x86_64", "Red-Hat-7:openssh-askpass-0:7.4p1-23.0.3.el7_9.tuxcare.els2.x86_64", "Red-Hat-7:openssh-cavs-0:7.4p1-23.0.3.el7_9.tuxcare.els2.x86_64", "Red-Hat-7:openssh-clients-0:7.4p1-23.0.3.el7_9.tuxcare.els2.x86_64", "Red-Hat-7:openssh-keycat-0:7.4p1-23.0.3.el7_9.tuxcare.els2.x86_64", "Red-Hat-7:openssh-ldap-0:7.4p1-23.0.3.el7_9.tuxcare.els2.x86_64", "Red-Hat-7:openssh-server-0:7.4p1-23.0.3.el7_9.tuxcare.els2.x86_64", "Red-Hat-7:openssh-server-sysvinit-0:7.4p1-23.0.3.el7_9.tuxcare.els2.x86_64", "Red-Hat-7:pam_ssh_agent_auth-0:0.10.3-2.23.0.3.el7_9.tuxcare.els2.i686", "Red-Hat-7:pam_ssh_agent_auth-0:0.10.3-2.23.0.3.el7_9.tuxcare.els2.x86_64" ] } ], "threats": [ { "category": "impact", "details": "Important" }, { "category": "impact", "details": "important", "product_ids": [ "Red-Hat-7:openssh-0:7.4p1-23.0.3.el7_9.tuxcare.els2.x86_64", "Red-Hat-7:openssh-askpass-0:7.4p1-23.0.3.el7_9.tuxcare.els2.x86_64", "Red-Hat-7:openssh-cavs-0:7.4p1-23.0.3.el7_9.tuxcare.els2.x86_64", "Red-Hat-7:openssh-clients-0:7.4p1-23.0.3.el7_9.tuxcare.els2.x86_64", "Red-Hat-7:openssh-keycat-0:7.4p1-23.0.3.el7_9.tuxcare.els2.x86_64", "Red-Hat-7:openssh-ldap-0:7.4p1-23.0.3.el7_9.tuxcare.els2.x86_64", "Red-Hat-7:openssh-server-0:7.4p1-23.0.3.el7_9.tuxcare.els2.x86_64", "Red-Hat-7:openssh-server-sysvinit-0:7.4p1-23.0.3.el7_9.tuxcare.els2.x86_64", "Red-Hat-7:pam_ssh_agent_auth-0:0.10.3-2.23.0.3.el7_9.tuxcare.els2.i686", "Red-Hat-7:pam_ssh_agent_auth-0:0.10.3-2.23.0.3.el7_9.tuxcare.els2.x86_64" ] } ] } ] }