{"id":"CLEANSTART-2026-XT22059","summary":"integer overflow issue was found in the vmxnet3 NIC emulator of the QEMU for versions up to v5","details":"Security vulnerability affects the qemu package. An integer overflow issue was found in the vmxnet3 NIC emulator of the QEMU for versions up to v5.","modified":"2026-10-31T16:30:37.153997850Z","published":"2026-10-31T13:31:24.332818Z","upstream":["CVE-2021-20203"],"database_specific":{},"references":[{"type":"ADVISORY","url":"https://github.com/cleanstart-dev/cleanstart-security-advisories/tree/main/advisories/2026/CLEANSTART-2026-XT22059.json"},{"type":"WEB","url":"https://osv.dev/vulnerability/CVE-2021-20203"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-20203"}],"affected":[{"package":{"name":"qemu","ecosystem":"CleanStart","purl":"pkg:apk/cleanstart/qemu"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.2.0-r0"}]}],"database_specific":{"source":"https://github.com/cleanstart-dev/cleanstart-security-advisories/blob/main/advisories/2026/CLEANSTART-2026-XT22059.json"}}],"schema_version":"1.9.2","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:L"}]}