{ "document": { "aggregate_severity": { "text": "Medium" }, "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/tuxcare9.8esu/vex/2026/cve-2026-32792-els_os-tuxcare9_8esu.json" } ], "tracking": { "current_release_date": "2026-10-19T16:51:40Z", "generator": { "date": "2026-10-19T16:51:40Z", "engine": { "name": "pyCSAF" } }, "id": "CVE-2026-32792-ELS_OS-TUXCARE9.8ESU", "initial_release_date": "2026-05-20T10:16:00Z", "revision_history": [ { "date": "2026-05-20T10:16:00Z", "number": "1", "summary": "Initial version" }, { "date": "2026-10-05T07:22:09Z", "number": "2", "summary": "Official Publication" }, { "date": "2026-10-08T23:04:00Z", "number": "3", "summary": "Update document" }, { "date": "2026-10-19T16:51:40Z", "number": "4", "summary": "Update document" } ], "status": "final", "version": "4" }, "title": "Security update on CVE-2026-32792" }, "product_tree": { "branches": [ { "branches": [ { "branches": [ { "category": "product_name", "name": "AlmaLinux 9.8", "product": { "name": "AlmaLinux 9.8", "product_id": "AlmaLinux-9.8", "product_identification_helper": { "cpe": "cpe:2.3:o:almalinux:almalinux:9.8:*:*:*:*:*:*:*" } } } ], "category": "product_family", "name": "AlmaLinux" } ], "category": "vendor", "name": "AlmaLinux OS Foundation" }, { "branches": [ { "branches": [ { "category": "product_name", "name": "Rocky Linux 9.8", "product": { "name": "Rocky Linux 9.8", "product_id": "Rocky Linux-9.8", "product_identification_helper": { "cpe": "cpe:2.3:o:resf:rocky_linux:9.8:*:*:*:*:*:*:*" } } } ], "category": "product_family", "name": "Rocky Linux" } ], "category": "vendor", "name": "Rocky Linux" }, { "branches": [ { "branches": [ { 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"unbound-0:1.24.2-3.el9_8.8.tuxcare.els1.i686", "relates_to_product_reference": "Rocky Linux-9.8" } ] }, "vulnerabilities": [ { "cve": "CVE-2026-32792", "cwe": { "id": "CWE-125", "name": "Out-of-bounds Read" }, "notes": [ { "category": "description", "text": "NLnet Labs Unbound 1.6.2 up to and including version 1.25.0 has a denial of service vulnerability when compiled with DNSCrypt support ('--enable-dnscrypt'). A bad DNSCrypt query could underflow Unbound's DNSCrypt packet reading procedure that may lead to heap overflow. A malicious actor can exploit the vulnerability with a single bad DNSCrypt query that its decrypted plaintext consists entirely of '0x00' bytes and does not contain the expected '0x80' marker. Unbound would then start reading more bytes than necessary until it finds a non-'0x00' byte. Based on the underlying memory allocator and the memory layout, it could lead to heap overflow while reading followed by a crash. Likelihood of a crash is low, since it relies heavily on the underlying memory allocator and the memory layout. If the heap overflow does not happen, Unbound's later packet checks will deny the packet. Unbound 1.25.1 contains a patch with a fix to bound reading in the given buffer space.", "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-9.8:python3-unbound-0:1.24.2-3.el9_8.8.tuxcare.els1.aarch64", "AlmaLinux-9.8:python3-unbound-0:1.24.2-3.el9_8.8.tuxcare.els1.i686", "AlmaLinux-9.8:python3-unbound-0:1.24.2-3.el9_8.8.tuxcare.els1.x86_64", "AlmaLinux-9.8:unbound-0:1.24.2-3.el9_8.8.tuxcare.els1.aarch64", "AlmaLinux-9.8:unbound-0:1.24.2-3.el9_8.8.tuxcare.els1.i686", "AlmaLinux-9.8:unbound-0:1.24.2-3.el9_8.8.tuxcare.els1.x86_64", "AlmaLinux-9.8:unbound-devel-0:1.24.2-3.el9_8.8.tuxcare.els1.aarch64", "AlmaLinux-9.8:unbound-devel-0:1.24.2-3.el9_8.8.tuxcare.els1.i686", "AlmaLinux-9.8:unbound-devel-0:1.24.2-3.el9_8.8.tuxcare.els1.x86_64", "AlmaLinux-9.8:unbound-dracut-0:1.24.2-3.el9_8.8.tuxcare.els1.aarch64", "AlmaLinux-9.8:unbound-dracut-0:1.24.2-3.el9_8.8.tuxcare.els1.i686", 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Linux-9.8:unbound-dracut-0:1.24.2-3.el9_8.8.tuxcare.els1.i686", "Rocky Linux-9.8:unbound-dracut-0:1.24.2-3.el9_8.8.tuxcare.els1.x86_64", "Rocky Linux-9.8:unbound-libs-0:1.24.2-3.el9_8.8.tuxcare.els1.aarch64", "Rocky Linux-9.8:unbound-libs-0:1.24.2-3.el9_8.8.tuxcare.els1.i686", "Rocky Linux-9.8:unbound-libs-0:1.24.2-3.el9_8.8.tuxcare.els1.x86_64" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://cve.tuxcare.com/els/cve/CVE-2026-32792" }, { "category": "external", "summary": "https://www.nlnetlabs.nl/downloads/unbound/CVE-2026-32792.txt", "url": "https://www.nlnetlabs.nl/downloads/unbound/CVE-2026-32792.txt" } ], "release_date": "2026-05-20T10:16:00Z", "threats": [ { "category": "impact", "details": "Moderate" }, { "category": "impact", "date": "2026-10-19T14:06:06.001780Z", "details": "Not affected: CVE-2026-32792 requires DNSCrypt support, and the unbound package for TuxCare 9.8 ESU is built without the --enable-dnscrypt option.", "product_ids": [ 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