{"kind": "product", "path": "vulns/ubuntu-25.10/dnsmasq", "name": "dnsmasq", "product": "dnsmasq", "ecosystem": "Ubuntu:25.10", "items": [{"id": "CVE-2026-12969", "noindex": false, "published": "2026-06-23T13:28:56.732Z", "modified": "2026-08-31T11:48:30.188Z", "cvss": 5.3, "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N", "severity": "medium", "epss": 0.00256, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2026-12969", "title": "Dnsmasq: dnsmasq: out-of-bounds read in find_soa() due to missing extrabytes validation", "description": "An out-of-bounds read vulnerability exists in dnsmasq's find_soa() function in src/rfc1035.c. When parsing NS section records, extract_name() is called with extrabytes=0, failing to validate that 10 additional bytes exist for fixed-length DNS record fields. A remote attacker controlling a DNS zone can exploit this via a crafted NXDOMAIN response to cause a 10-byte heap out-of-bounds read, potentially accessing stale data from prior transactions.", "references": ["https://access.redhat.com/security/cve/CVE-2026-12969", "https://bugzilla.redhat.com/show_bug.cgi?id=2491663", "https://nvd.nist.gov/vuln/detail/CVE-2026-12969"], "fixes": [], "products": [{"name": "dnsmasq", "path": "vulns/ubuntu-25.10/dnsmasq", "ecosystem": "Ubuntu:25.10"}]}, {"id": "CVE-2026-12725", "noindex": false, "published": "2026-06-22T13:55:05.406Z", "modified": "2026-08-31T21:22:15.716Z", "cvss": 5.9, "cvss_vector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H", "severity": "medium", "epss": 0.00528, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2026-12725", "title": "Dnsmasq: dnsmasq: heap buffer overflow in log_query() when logging unsupported ds/dnskey replies", "description": "A heap-based buffer overflow was found in dnsmasq. When DNSSEC validation and\nquery logging are both enabled, logging of DS or DNSKEY replies containing\nunsupported algorithm or digest types can cause dnsmasq to write past the end\nof an internal logging buffer. A remote attacker able to supply such a DNS\nresponse may crash the dnsmasq process, resulting in denial of service.", "references": ["https://access.redhat.com/security/cve/CVE-2026-12725", "https://bugzilla.redhat.com/show_bug.cgi?id=2490763", "https://nvd.nist.gov/vuln/detail/CVE-2026-12725"], "fixes": [], "products": [{"name": "dnsmasq", "path": "vulns/ubuntu-25.10/dnsmasq", "ecosystem": "Ubuntu:25.10"}]}, {"id": "CVE-2026-5172", "noindex": false, "published": "2026-05-11T16:48:46.219Z", "modified": "2026-09-01T12:04:54.715Z", "cvss": 7.3, "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L", "severity": "high", "epss": 0.02683, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2026-5172", "title": "CVE-2026-5172", "description": "A buffer overflow in dnsmasq’s extract_addresses() function allows an attacker to trigger a heap out-of-bounds read and crash by exploiting a malformed DNS response, enabling extract_name() to advance the pointer past the record’s end.", "references": ["https://www.kb.cert.org/vuls/id/471747", "https://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2026q2/018471.html", "https://thekelleys.org.uk/dnsmasq/CVE/"], "fixes": ["2.91-1ubuntu0.2"], "products": [{"name": "dnsmasq", "path": "vulns/ubuntu-25.10/dnsmasq", "ecosystem": "Ubuntu:25.10"}]}, {"id": "CVE-2026-4893", "noindex": false, "published": "2026-05-11T16:48:15.106Z", "modified": "2026-05-20T14:09:53.804Z", "cvss": 5.3, "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N", "severity": "medium", "epss": 0.01784, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2026-4893", "title": "CVE-2026-4893", "description": "An information disclosure vulnerability in dnsmasq allows remote attackers to bypass source checks via a crafted DNS packet with RFC 7871 client subnet information.", "references": ["https://www.kb.cert.org/vuls/id/471747", "https://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2026q2/018471.html", "https://thekelleys.org.uk/dnsmasq/CVE/"], "fixes": ["2.91-1ubuntu0.2"], "products": [{"name": "dnsmasq", "path": "vulns/ubuntu-25.10/dnsmasq", "ecosystem": "Ubuntu:25.10"}]}, {"id": "CVE-2026-4892", "noindex": false, "published": "2026-05-11T16:47:58.846Z", "modified": "2026-09-01T12:04:42.225Z", "cvss": 8.4, "cvss_vector": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "severity": "high", "epss": 0.00812, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2026-4892", "title": "CVE-2026-4892", "description": "A heap-based out-of-bounds write vulnerability in the DHCPv6 implementation of dnsmasq allows local attackers to execute arbitrary code with root privileges via a crafted DHCPv6 packet.", "references": ["https://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2026q2/018471.html", "https://www.kb.cert.org/vuls/id/471747", "https://thekelleys.org.uk/dnsmasq/CVE/"], "fixes": ["2.91-1ubuntu0.2"], "products": [{"name": "dnsmasq", "path": "vulns/ubuntu-25.10/dnsmasq", "ecosystem": "Ubuntu:25.10"}]}, {"id": "CVE-2026-4891", "noindex": false, "published": "2026-05-11T16:47:33.202Z", "modified": "2026-09-01T12:04:40.204Z", "cvss": 5.3, "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N", "severity": "medium", "epss": 0.06411, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2026-4891", "title": "CVE-2026-4891", "description": "A heap-based out-of-bounds read vulnerability in the DNSSEC validation of dnsmasq allows remote attackers to cause a denial of service via a crafted DNS packet.", "references": ["https://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2026q2/018471.html", "https://www.kb.cert.org/vuls/id/471747", "https://thekelleys.org.uk/dnsmasq/CVE/"], "fixes": ["2.91-1ubuntu0.2"], "products": [{"name": "dnsmasq", "path": "vulns/ubuntu-25.10/dnsmasq", "ecosystem": "Ubuntu:25.10"}]}, {"id": "CVE-2026-4890", "noindex": false, "published": "2026-05-11T16:47:16.419Z", "modified": "2026-09-01T12:05:00.879Z", "cvss": 7.5, "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "severity": "high", "epss": 0.08849, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2026-4890", "title": "CVE-2026-4890", "description": "A Denial of Service (DoS) vulnerability in the DNSSEC validation of dnsmasq allows remote attackers to cause a denial of service via a crafted DNS packet.", "references": ["https://www.kb.cert.org/vuls/id/471747", "https://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2026q2/018471.html", "https://thekelleys.org.uk/dnsmasq/CVE/"], "fixes": ["2.91-1ubuntu0.2"], "products": [{"name": "dnsmasq", "path": "vulns/ubuntu-25.10/dnsmasq", "ecosystem": "Ubuntu:25.10"}]}, {"id": "CVE-2026-2291", "noindex": false, "published": "2026-05-11T16:47:01.981Z", "modified": "2026-07-20T20:30:02.766Z", "cvss": 7.3, "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L", "severity": "high", "epss": 0.00611, "kev": false, "exploits": ["public-poc"], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2026-2291", "title": "CVE-2026-2291", "description": "dnsmasqs extract_name() function can be abused to cause a heap buffer overflow, allowing an attacker to inject false DNS cache entries, which could result in DNS lookups to redirect to an attacker-controlled IP address, or to cause a DoS.", "references": ["https://www.suse.com/security/cve/CVE-2026-2291.html", "https://www.kb.cert.org/vuls/id/471747", "https://thekelleys.org.uk/dnsmasq/CVE/"], "fixes": ["2.91-1ubuntu0.2"], "products": [{"name": "dnsmasq", "path": "vulns/ubuntu-25.10/dnsmasq", "ecosystem": "Ubuntu:25.10"}]}, {"id": "CVE-2025-12200", "noindex": false, "published": "2025-10-27T01:15:00Z", "modified": "2026-10-06T18:08:48.219668996Z", "cvss": 4.8, "cvss_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L", "severity": "medium", "epss": null, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2025-12200", "title": "UBUNTU-CVE-2025-12200", "description": "Rejected reason: ** REJECT ** DO NOT USE THIS CANDIDATE NUMBER. ConsultIDs: none. Reason: This candidate was withdrawn by its CNA. Further investigation showed that it was not a security issue. Notes: Based on the analysis by MITRE and review of community feedback, the reported conditions represent expected and intentional behavior within dnsmasq's documented design, rather than security vulnerabilities.", "references": ["https://ubuntu.com/security/CVE-2025-12200", "https://www.cve.org/CVERecord?id=CVE-2025-12200", "https://shimo.im/docs/5xkGoMo0WVfY4dkX/"], "fixes": [], "products": [{"name": "dnsmasq", "path": "vulns/ubuntu-25.10/dnsmasq", "ecosystem": "Ubuntu:25.10"}]}, {"id": "CVE-2025-12199", "noindex": false, "published": "2025-10-27T01:15:00Z", "modified": "2026-10-06T18:08:35.865440612Z", "cvss": 4.8, "cvss_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L", "severity": "medium", "epss": null, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2025-12199", "title": "UBUNTU-CVE-2025-12199", "description": "Rejected reason: ** REJECT ** DO NOT USE THIS CANDIDATE NUMBER. ConsultIDs: none. Reason: This candidate was withdrawn by its CNA. Further investigation showed that it was not a security issue. Notes: Based on the analysis by MITRE and review of community feedback, the reported conditions represent expected and intentional behavior within dnsmasq's documented design, rather than security vulnerabilities.", "references": ["https://ubuntu.com/security/CVE-2025-12199", "https://www.cve.org/CVERecord?id=CVE-2025-12199", "https://shimo.im/docs/ZzkLMVMN7vIYJBAQ/"], "fixes": [], "products": [{"name": "dnsmasq", "path": "vulns/ubuntu-25.10/dnsmasq", "ecosystem": "Ubuntu:25.10"}]}, {"id": "CVE-2025-12198", "noindex": false, "published": "2025-10-27T01:15:00Z", "modified": "2026-10-06T18:08:32.244496493Z", "cvss": 8.5, "cvss_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "severity": "high", "epss": null, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2025-12198", "title": "UBUNTU-CVE-2025-12198", "description": "Rejected reason: ** REJECT ** DO NOT USE THIS CANDIDATE NUMBER. ConsultIDs: none. Reason: This candidate was withdrawn by its CNA. Further investigation showed that it was not a security issue. Notes: Based on the analysis by MITRE and review of community feedback, the reported conditions represent expected and intentional behavior within dnsmasq's documented design, rather than security vulnerabilities.", "references": ["https://ubuntu.com/security/CVE-2025-12198", "https://www.cve.org/CVERecord?id=CVE-2025-12198", "https://shimo.im/docs/1d3aMVMmNmiLjg3g/"], "fixes": [], "products": [{"name": "dnsmasq", "path": "vulns/ubuntu-25.10/dnsmasq", "ecosystem": "Ubuntu:25.10"}]}], "total": 11, "unknown_count": 0, "release_unconfirmed": false, "page": 1, "pages": 1, "filtered": false, "noindex": false, "filters": {}, "page_size": 20, "products": [{"name": "dnsmasq", "path": "vulns/ubuntu-25.10/dnsmasq", "ecosystem": "Ubuntu:25.10"}], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}, {"name": "web", "path": "vulns/stack/web", "slug": "web"}, {"name": "php", "path": "vulns/stack/php", "slug": "php"}, {"name": "python", "path": "vulns/stack/python", "slug": "python"}, {"name": "node", "path": "vulns/stack/node", "slug": "node"}, {"name": "database", "path": "vulns/stack/database", "slug": "database"}, {"name": "containers", "path": "vulns/stack/containers", "slug": "containers"}, {"name": "network", "path": "vulns/stack/network", "slug": "network"}, {"name": "applications", "path": "vulns/stack/applications", "slug": "applications"}], "versions": [], "stats": {"recent": 0, "kev": 0}, "lastmod": "2026-10-06T18:08:48.219668996Z", "early_advisories": [], "license": "Подборку PatchFirst и наши дополнения (приоритеты, ранние предупреждения, тексты, сводки и агрегаты) можно свободно использовать для собственных целей, включая внутренние задачи бизнеса. Перепродажа, коммерческое распространение и массовое зеркалирование этой подборки или дополнений допускаются только по письменному соглашению с оператором. При любом использовании или публикации подборки или наших дополнений указывайте PatchFirst (https://ru.patchfirst.dev/vulns/) с этой ссылкой на страницу ленты своего региона. Исходные записи открытых источников остаются под их лицензиями и условиями. Эти условия не ограничивают ваши права на исходные данные, которые можно получить у источников напрямую.", "terms_url": "https://ru.patchfirst.dev/vulns/#feed-terms", "attribution": {"name": "PatchFirst", "url": "https://ru.patchfirst.dev/vulns/"}, "source_changes": "PatchFirst отбирает, нормализует и объединяет записи; могут добавляться сводки и переводы. Новости указываются ссылкой на первоисточник в самой записи.", "sources": [{"id": "cve", "name": "CVE List / CVE.org", "url": "https://www.cve.org/", "license": "CVE Terms of Use", "terms_url": "https://www.cve.org/Legal/TermsOfUse", "notice": "Copyright © 1999–2021, The MITRE Corporation. LICENSE Submissions : For all materials you submit to the Common Vulnerabilities and Exposures (CVE™), you hereby grant to The MITRE Corporation (MITRE) and all CVE Numbering Authorities (CNAs) a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute such materials and derivative works. Unless required by applicable law or agreed to in writing, you provide such materials on an \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied, including, without limitation, any warranties or conditions of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A PARTICULAR PURPOSE. CVE Usage : MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE™). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy. DISCLAIMERS ALL DOCUMENTS AND THE INFORMATION CONTAINED THEREIN PROVIDED BY MITRE ARE PROVIDED ON AN \"AS IS\" BASIS AND THE CONTRIBUTOR, THE ORGANIZATION HE/SHE REPRESENTS OR IS SPONSORED BY (IF ANY), THE MITRE CORPORATION, ITS BOARD OF TRUSTEES, OFFICERS, AGENTS, AND EMPLOYEES, DISCLAIM ALL WARRANTIES, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO ANY WARRANTY THAT THE USE OF THE INFORMATION THEREIN WILL NOT INFRINGE ANY RIGHTS OR ANY IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE."}, {"id": "osv", "name": "OSV", "url": "https://osv.dev/", "terms_url": "https://google.github.io/osv.dev/data/", "terms": "Лицензии исходных баз различаются; см. каталог источников."}, {"id": "kev", "name": "CISA KEV", "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog", "license": "CC0-1.0", "terms_url": "https://github.com/cisagov/kev-data/blob/develop/LICENSE"}, {"id": "epss", "name": "FIRST EPSS", "url": "https://www.first.org/epss/", "terms_url": "https://www.first.org/epss/faq", "terms": "Оценки доступны свободно; запрашивается указание источника (FIRST EPSS, оценки подготовлены Empirical Security)."}, {"id": "github-advisory", "name": "GitHub Advisory Database", "url": "https://github.com/advisories", "license": "CC-BY-4.0", "terms_url": "https://github.com/github/advisory-database/blob/main/LICENSE.md"}, {"id": "exploitdb", "name": "Exploit-DB", "url": "https://www.exploit-db.com/", "license": "GPL-2.0", "terms_url": "https://gitlab.com/exploit-database/exploitdb/-/blob/main/LICENSE.md"}, {"id": "metasploit", "name": "Metasploit", "url": "https://github.com/rapid7/metasploit-framework", "license": "BSD-3-Clause", "terms_url": "https://github.com/rapid7/metasploit-framework/blob/master/LICENSE", "notice": "Copyright (c) 2006-2026, Rapid7, Inc.\nLicense: BSD-3-clause\n Redistribution and use in source and binary forms, with or without modification,\n are permitted provided that the following conditions are met:\n .\n * Redistributions of source code must retain the above copyright notice,\n this list of conditions and the following disclaimer.\n .\n * Redistributions in binary form must reproduce the above copyright notice,\n this list of conditions and the following disclaimer in the documentation\n and/or other materials provided with the distribution.\n .\n * Neither the name of Rapid7, Inc. nor the names of its contributors\n may be used to endorse or promote products derived from this software\n without specific prior written permission.\n .\n THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS \"AS IS\" AND\n ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED\n WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE\n DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR\n ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES\n (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;\n LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON\n ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT\n (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS\n SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."}, {"id": "nuclei", "name": "Nuclei Templates", "url": "https://github.com/projectdiscovery/nuclei-templates", "license": "MIT", "terms_url": "https://github.com/projectdiscovery/nuclei-templates/blob/main/LICENSE.md", "notice": "MIT License\n\nCopyright (c) 2025 ProjectDiscovery, Inc.\n\nPermission is hereby granted, free of charge, to any person obtaining a copy\nof this software and associated documentation files (the \"Software\"), to deal\nin the Software without restriction, including without limitation the rights\nto use, copy, modify, merge, publish, distribute, sublicense, and/or sell\ncopies of the Software, and to permit persons to whom the Software is\nfurnished to do so, subject to the following conditions:\n\nThe above copyright notice and this permission notice shall be included in all\ncopies or substantial portions of the Software.\n\nTHE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\nIMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\nFITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\nAUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\nLIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\nOUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\nSOFTWARE."}, {"id": "linux-kernel", "name": "Linux kernel releases", "url": "https://www.kernel.org/", "license": "CC-BY-SA-4.0", "terms_url": "https://www.kernel.org/legal.html", "notice": "Copyright (C) 1997-2014 by The Linux Kernel Organization, Inc."}]}