{"id":"UBUNTU-CVE-2025-14876","details":"A flaw was found in the virtio-crypto device of QEMU. A malicious guest operating system can exploit a missing length limit in the AKCIPHER path, leading to uncontrolled memory allocation. This can result in a denial of service (DoS) on the host system by causing the QEMU process to terminate unexpectedly.","modified":"2026-03-05T18:44:48.286111Z","published":"2026-02-18T21:16:00Z","related":["USN-8073-1"],"upstream":["CVE-2025-14876"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2025-14876"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2025-14876"},{"type":"REPORT","url":"https://lore.kernel.org/qemu-devel/20251214090939.408436-1-zhenwei.pi@linux.dev/T/#u"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-8073-1"}],"affected":[{"package":{"name":"qemu","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/qemu@1:8.2.2+ds-0ubuntu1.13?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:8.2.2+ds-0ubuntu1.13"}]}],"versions":["1:8.0.4+dfsg-1ubuntu3","1:8.0.4+dfsg-1ubuntu4","1:8.0.4+dfsg-1ubuntu5","1:8.1.3+ds-1ubuntu2","1:8.2.1+ds-1ubuntu1","1:8.2.1+ds-1ubuntu8","1:8.2.1+ds-1ubuntu9","1:8.2.2+ds-0ubuntu1","1:8.2.2+ds-0ubuntu1.2","1:8.2.2+ds-0ubuntu1.4","1:8.2.2+ds-0ubuntu1.5","1:8.2.2+ds-0ubuntu1.6","1:8.2.2+ds-0ubuntu1.7","1:8.2.2+ds-0ubuntu1.8","1:8.2.2+ds-0ubuntu1.9","1:8.2.2+ds-0ubuntu1.10","1:8.2.2+ds-0ubuntu1.11","1:8.2.2+ds-0ubuntu1.12"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"qemu-block-extra","binary_version":"1:8.2.2+ds-0ubuntu1.13"},{"binary_name":"qemu-block-supplemental","binary_version":"1:8.2.2+ds-0ubuntu1.13"},{"binary_name":"qemu-guest-agent","binary_version":"1:8.2.2+ds-0ubuntu1.13"},{"binary_name":"qemu-system","binary_version":"1:8.2.2+ds-0ubuntu1.13"},{"binary_name":"qemu-system-arm","binary_version":"1:8.2.2+ds-0ubuntu1.13"},{"binary_version":"1:8.2.2+ds-0ubuntu1.13","binary_name":"qemu-system-common"},{"binary_name":"qemu-system-data","binary_version":"1:8.2.2+ds-0ubuntu1.13"},{"binary_version":"1:8.2.2+ds-0ubuntu1.13","binary_name":"qemu-system-gui"},{"binary_name":"qemu-system-mips","binary_version":"1:8.2.2+ds-0ubuntu1.13"},{"binary_name":"qemu-system-misc","binary_version":"1:8.2.2+ds-0ubuntu1.13"},{"binary_name":"qemu-system-modules-opengl","binary_version":"1:8.2.2+ds-0ubuntu1.13"},{"binary_name":"qemu-system-modules-spice","binary_version":"1:8.2.2+ds-0ubuntu1.13"},{"binary_version":"1:8.2.2+ds-0ubuntu1.13","binary_name":"qemu-system-ppc"},{"binary_version":"1:8.2.2+ds-0ubuntu1.13","binary_name":"qemu-system-s390x"},{"binary_name":"qemu-system-sparc","binary_version":"1:8.2.2+ds-0ubuntu1.13"},{"binary_name":"qemu-system-x86","binary_version":"1:8.2.2+ds-0ubuntu1.13"},{"binary_name":"qemu-system-x86-xen","binary_version":"1:8.2.2+ds-0ubuntu1.13"},{"binary_name":"qemu-system-xen","binary_version":"1:8.2.2+ds-0ubuntu1.13"},{"binary_name":"qemu-user","binary_version":"1:8.2.2+ds-0ubuntu1.13"},{"binary_name":"qemu-user-binfmt","binary_version":"1:8.2.2+ds-0ubuntu1.13"},{"binary_version":"1:8.2.2+ds-0ubuntu1.13","binary_name":"qemu-user-static"},{"binary_name":"qemu-utils","binary_version":"1:8.2.2+ds-0ubuntu1.13"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-14876.json"}},{"package":{"name":"qemu","ecosystem":"Ubuntu:25.10","purl":"pkg:deb/ubuntu/qemu@1:10.1.0+ds-5ubuntu2.4?arch=source&distro=questing"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:10.1.0+ds-5ubuntu2.4"}]}],"versions":["1:9.2.1+ds-1ubuntu5","1:10.0.2+ds-1ubuntu1","1:10.0.2+ds-1ubuntu2","1:10.1.0+ds-1ubuntu1","1:10.1.0+ds-5ubuntu1","1:10.1.0+ds-5ubuntu2","1:10.1.0+ds-5ubuntu2.1","1:10.1.0+ds-5ubuntu2.2"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"qemu-block-extra","binary_version":"1:10.1.0+ds-5ubuntu2.4"},{"binary_name":"qemu-block-supplemental","binary_version":"1:10.1.0+ds-5ubuntu2.4"},{"binary_name":"qemu-guest-agent","binary_version":"1:10.1.0+ds-5ubuntu2.4"},{"binary_name":"qemu-system","binary_version":"1:10.1.0+ds-5ubuntu2.4"},{"binary_name":"qemu-system-arm","binary_version":"1:10.1.0+ds-5ubuntu2.4"},{"binary_name":"qemu-system-common","binary_version":"1:10.1.0+ds-5ubuntu2.4"},{"binary_name":"qemu-system-data","binary_version":"1:10.1.0+ds-5ubuntu2.4"},{"binary_name":"qemu-system-gui","binary_version":"1:10.1.0+ds-5ubuntu2.4"},{"binary_name":"qemu-system-mips","binary_version":"1:10.1.0+ds-5ubuntu2.4"},{"binary_name":"qemu-system-misc","binary_version":"1:10.1.0+ds-5ubuntu2.4"},{"binary_name":"qemu-system-modules-opengl","binary_version":"1:10.1.0+ds-5ubuntu2.4"},{"binary_name":"qemu-system-modules-spice","binary_version":"1:10.1.0+ds-5ubuntu2.4"},{"binary_name":"qemu-system-ppc","binary_version":"1:10.1.0+ds-5ubuntu2.4"},{"binary_name":"qemu-system-riscv","binary_version":"1:10.1.0+ds-5ubuntu2.4"},{"binary_name":"qemu-system-s390x","binary_version":"1:10.1.0+ds-5ubuntu2.4"},{"binary_name":"qemu-system-sparc","binary_version":"1:10.1.0+ds-5ubuntu2.4"},{"binary_name":"qemu-system-x86","binary_version":"1:10.1.0+ds-5ubuntu2.4"},{"binary_name":"qemu-system-x86-xen","binary_version":"1:10.1.0+ds-5ubuntu2.4"},{"binary_name":"qemu-system-xen","binary_version":"1:10.1.0+ds-5ubuntu2.4"},{"binary_name":"qemu-user","binary_version":"1:10.1.0+ds-5ubuntu2.4"},{"binary_name":"qemu-user-binfmt","binary_version":"1:10.1.0+ds-5ubuntu2.4"},{"binary_name":"qemu-utils","binary_version":"1:10.1.0+ds-5ubuntu2.4"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-14876.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]}