{"kind": "product", "path": "vulns/ubuntu-26.04-lts/libvirt", "name": "libvirt", "product": "libvirt", "ecosystem": "Ubuntu:26.04:LTS", "items": [{"id": "CVE-2026-77159", "noindex": false, "published": "2026-09-11T10:32:29.772Z", "modified": "2026-09-15T15:40:56.022Z", "cvss": 5.5, "cvss_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N", "severity": "medium", "epss": 0.00162, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2026-77159", "title": "Libvirt: unsafe chown in qemutpmemulatorpreparehost() allows arbitrary file ownership change via symlink", "description": "A symlink-following flaw was found in libvirt's qemuTPMEmulatorPrepareHost() function. The function uses a path-based chown() on the swtpm logfile without checking for symbolic links. A local attacker with access to the swtpm account can replace the logfile with a symlink, causing libvirtd (running as root) to transfer ownership of an arbitrary file to the swtpm user.", "references": ["https://access.redhat.com/security/cve/CVE-2026-77159", "https://bugzilla.redhat.com/show_bug.cgi?id=2531811", "https://gitlab.com/libvirt/libvirt/-/work_items/909"], "fixes": ["12.0.0-1ubuntu5.5"], "products": [{"name": "libvirt", "path": "vulns/ubuntu-26.04-lts/libvirt", "ecosystem": "Ubuntu:26.04:LTS"}]}, {"id": "CVE-2026-18917", "noindex": false, "published": "2026-08-20T09:54:50.958Z", "modified": "2026-10-05T08:29:44.646Z", "cvss": 7.8, "cvss_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "severity": "high", "epss": 0.00182, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2026-18917", "title": "Libvirt: integer overflow in nodegetfreepages rpc handler leading to heap buffer overflow", "description": "A flaw was found in libvirt. An unprivileged local user could exploit an integer overflow vulnerability in the NodeGetFreePages RPC handler. This flaw allows crafted values to bypass a size check, leading to an undersized memory buffer. Subsequently, real NUMA node data can overwrite this buffer. This heap buffer overflow can corrupt the root libvirt daemon's memory, potentially leading to a denial of service or local privilege escalation.", "references": ["https://access.redhat.com/errata/RHSA-2026:68509", "https://access.redhat.com/errata/RHSA-2026:68510", "https://access.redhat.com/errata/RHSA-2026:68511"], "fixes": ["12.0.0-1ubuntu5.5"], "products": [{"name": "libvirt", "path": "vulns/ubuntu-26.04-lts/libvirt", "ecosystem": "Ubuntu:26.04:LTS"}]}, {"id": "CVE-2026-61478", "noindex": false, "published": "2026-08-13T00:00:00Z", "modified": "2026-09-28T17:41:54.842219849Z", "cvss": null, "cvss_vector": "", "severity": "unknown", "epss": null, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2026-61478", "title": "UBUNTU-CVE-2026-61478", "description": "[Unknown description]", "references": ["https://ubuntu.com/security/CVE-2026-61478", "https://www.cve.org/CVERecord?id=CVE-2026-61478", "https://ubuntu.com/security/notices/USN-8652-1"], "fixes": ["12.0.0-1ubuntu5.3"], "products": [{"name": "libvirt", "path": "vulns/ubuntu-26.04-lts/libvirt", "ecosystem": "Ubuntu:26.04:LTS"}]}, {"id": "CVE-2026-63622", "noindex": false, "published": "2026-08-10T20:45:24.761Z", "modified": "2026-10-05T08:29:44.676Z", "cvss": 7.8, "cvss_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "severity": "high", "epss": 0.00142, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2026-63622", "title": "Libvirt: swtpm privilege escalation via symlink following", "description": "A flaw was found in libvirt. A local attacker, specifically a process running as the confined `swtpm` user, could exploit a symlink-following vulnerability in the `virFileChownFiles()` function. By planting a symbolic link within the `swtpm` state directory, the attacker could trick the root-level libvirt daemon into changing the ownership of an arbitrary file to the `swtpm` user. This allows for privilege escalation from the `swtpm` sandbox to root-level file ownership control.", "references": ["https://access.redhat.com/errata/RHSA-2026:64773", "https://access.redhat.com/errata/RHSA-2026:65515", "https://access.redhat.com/errata/RHSA-2026:65516"], "fixes": ["12.0.0-1ubuntu5.3"], "products": [{"name": "libvirt", "path": "vulns/ubuntu-26.04-lts/libvirt", "ecosystem": "Ubuntu:26.04:LTS"}]}, {"id": "CVE-2026-63623", "noindex": false, "published": "2026-08-10T16:43:19.048Z", "modified": "2026-08-10T21:10:46.846Z", "cvss": 5.5, "cvss_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N", "severity": "medium", "epss": 0.00096, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2026-63623", "title": "Libvirt: information disclosure via world-readable storage volume images during clone/convert", "description": "A flaw was found in libvirt. During storage volume clone or convert operations, newly created volume images were temporarily world-readable. This was caused by the `qemu-img` utility running with overly permissive file creation settings, allowing any local user to read the full guest disk contents. This vulnerability could lead to sensitive information disclosure from guest virtual machines.", "references": ["https://access.redhat.com/security/cve/CVE-2026-63623", "https://bugzilla.redhat.com/show_bug.cgi?id=2513066", "https://nvd.nist.gov/vuln/detail/CVE-2026-63623"], "fixes": ["12.0.0-1ubuntu5.3"], "products": [{"name": "libvirt", "path": "vulns/ubuntu-26.04-lts/libvirt", "ecosystem": "Ubuntu:26.04:LTS"}]}, {"id": "CVE-2026-61477", "noindex": false, "published": "2026-08-07T14:09:23.058Z", "modified": "2026-08-07T18:21:52.947Z", "cvss": 2.3, "cvss_vector": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N", "severity": "low", "epss": 0.00163, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2026-61477", "title": "Libvirt: libvirt: newline injection in network xml dns txt/srv fields allows dnsmasq config directive injection", "description": "An injection vulnerability was found in libvirt's virtual network driver. The network XML parser does not strip newline characters from DNS TXT record value attributes and SRV record domain/target attributes. These values are written verbatim into the dnsmasq configuration file generated by the network driver, allowing a user with permission to define virtual networks to inject arbitrary dnsmasq configuration directives such as dhcp-script, leading to arbitrary command execution as root.", "references": ["https://access.redhat.com/security/cve/CVE-2026-61477", "https://bugzilla.redhat.com/show_bug.cgi?id=2512066", "https://gitlab.com/libvirt/libvirt/-/commit/3cfc77963b512d809348fca07f97fe924fac9a05"], "fixes": ["12.0.0-1ubuntu5.3"], "products": [{"name": "libvirt", "path": "vulns/ubuntu-26.04-lts/libvirt", "ecosystem": "Ubuntu:26.04:LTS"}]}, {"id": "CVE-2025-13193", "noindex": false, "published": "2025-11-17T17:03:48.291Z", "modified": "2026-06-29T23:29:25.579Z", "cvss": 5.5, "cvss_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N", "severity": "medium", "epss": 0.00129, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2025-13193", "title": "Libvirt: information disclosure via world-readable vm snapshots", "description": "A flaw was found in libvirt. External inactive snapshots for shut-down VMs are incorrectly created as world-readable, making it possible for unprivileged users to inspect the guest OS contents. This results in an information disclosure vulnerability.", "references": ["https://access.redhat.com/security/cve/CVE-2025-13193", "https://bugzilla.redhat.com/show_bug.cgi?id=2415409", "https://nvd.nist.gov/vuln/detail/CVE-2025-13193"], "fixes": ["11.6.0-1ubuntu7"], "products": [{"name": "libvirt", "path": "vulns/ubuntu-26.04-lts/libvirt", "ecosystem": "Ubuntu:26.04:LTS"}]}, {"id": "CVE-2025-12748", "noindex": false, "published": "2025-11-11T19:49:32.255Z", "modified": "2026-06-29T23:29:05.055Z", "cvss": 5.5, "cvss_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "severity": "medium", "epss": 0.00223, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2025-12748", "title": "Libvirt: denial of service in xml parsing", "description": "A flaw was discovered in libvirt in the XML file processing. More specifically, the parsing of user provided XML files was performed before the ACL checks. A malicious user with limited permissions could exploit this flaw by submitting a specially crafted XML file, causing libvirt to allocate too much memory on the host. The excessive memory consumption could lead to a libvirt process crash on the host, resulting in a denial-of-service condition.", "references": ["https://access.redhat.com/errata/RHSA-2026:18326", "https://access.redhat.com/errata/RHSA-2026:18748", "https://access.redhat.com/security/cve/CVE-2025-12748"], "fixes": ["11.6.0-1ubuntu7"], "products": [{"name": "libvirt", "path": "vulns/ubuntu-26.04-lts/libvirt", "ecosystem": "Ubuntu:26.04:LTS"}]}], "total": 8, "unknown_count": 0, "release_unconfirmed": false, "page": 1, "pages": 1, "filtered": false, "noindex": false, "filters": {}, "page_size": 20, "products": [{"name": "libvirt", "path": "vulns/ubuntu-26.04-lts/libvirt", "ecosystem": "Ubuntu:26.04:LTS"}], "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": "2026-10-05T08:29:44.676Z", "early_advisories": [], "license": "Sie dürfen die Auswahl von PatchFirst und unsere Ergänzungen (Prioritäten, Frühwarnungen, Texte, Zusammenfassungen und Aggregate) für eigene Zwecke einschließlich interner geschäftlicher Aufgaben frei nutzen. Weiterverkauf, kommerzielle Verbreitung und massenhafte Spiegelung dieser Auswahl oder Ergänzungen erfordern eine schriftliche Vereinbarung mit dem Betreiber. Nennen Sie bei jeder Nutzung oder Veröffentlichung der Auswahl oder unserer Ergänzungen PatchFirst (https://patchfirst.dev/vulns/) mit diesem Link zur Feedseite Ihrer Region als Quelle. Originaleinträge aus offenen Quellen unterliegen weiterhin ihren jeweiligen Lizenzen und Bedingungen. Diese Bedingungen beschränken Ihre Rechte an den Originaldaten nicht, die Sie direkt bei den Quellen beziehen können.", "terms_url": "https://patchfirst.dev/de/vulns/#feed-terms", "attribution": {"name": "PatchFirst", "url": "https://patchfirst.dev/vulns/"}, "source_changes": "PatchFirst wählt Einträge aus, normalisiert und kombiniert sie; Zusammenfassungen und Übersetzungen können hinzukommen. Nachrichten werden im jeweiligen Eintrag mit einem Link zur Originalquelle belegt.", "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": "Die Lizenzen der Ursprungsdatenbanken unterscheiden sich; siehe Quellenkatalog."}, {"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": "Frei zugängliche Bewertungen; Quellenangabe erbeten (FIRST EPSS, Bewertungen von 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."}]}