{"id":"CVE-2021-3507","state":"PUBLISHED","title":"A heap buffer overflow was found in the floppy disk emulator of QEMU up to 6.0.0 (including). It could occur in fdctrl_transfer_handler() in hw/block/fdc.c while processing DMA rea","description":"A heap buffer overflow was found in the floppy disk emulator of QEMU up to 6.0.0 (including). It could occur in fdctrl_transfer_handler() in hw/block/fdc.c while processing DMA read data transfers from the floppy drive to the guest system. A privileged guest user could use this flaw to crash the QEMU process on the host resulting in DoS scenario, or potential information leakage from the host memory.","publishedAt":"2021-05-06T15:16:14.000Z","updatedAt":"2024-08-03T16:53:17.925Z","severity":null,"assigner":"redhat","products":["n/a QEMU"],"affected":[{"vendor":"n/a","product":"QEMU","versions":[{"version":"up to 6.0.0 (including)","status":"affected"}]}],"references":["https://bugzilla.redhat.com/show_bug.cgi?id=1951118","https://security.netapp.com/advisory/ntap-20210528-0005/","https://lists.debian.org/debian-lts-announce/2022/09/msg00008.html"],"weaknesses":["CWE-119"],"ingestedAt":"2026-10-29T19:48:55.807Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2021/3xxx/CVE-2021-3507.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2021-3507","state":"PUBLISHED","datePublished":"2021-05-06T15:16:14.000Z","dateUpdated":"2024-08-03T16:53:17.925Z","assignerShortName":"redhat","assignerOrgId":"53f830b8-0a3f-465b-8143-3b8a9948e749","dateReserved":"2021-04-19T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"A heap buffer overflow was found in the floppy disk emulator of QEMU up to 6.0.0 (including). It could occur in fdctrl_transfer_handler() in hw/block/fdc.c while processing DMA read data transfers from the floppy drive to the guest system. A privileged guest user could use this flaw to crash the QEMU process on the host resulting in DoS scenario, or potential information leakage from the host memory."}],"affected":[{"vendor":"n/a","product":"QEMU","versions":[{"version":"up to 6.0.0 (including)","status":"affected"}]}],"references":[{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1951118","tags":["x_refsource_MISC"]},{"url":"https://security.netapp.com/advisory/ntap-20210528-0005/","tags":["x_refsource_CONFIRM"]},{"url":"https://lists.debian.org/debian-lts-announce/2022/09/msg00008.html","name":"[debian-lts-announce] 20220905 [SECURITY] [DLA 3099-1] qemu security update","tags":["mailing-list","x_refsource_MLIST"]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-119","description":"CWE-119","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"redhat","dateUpdated":"2022-09-05T05:06:24.000Z","orgId":"53f830b8-0a3f-465b-8143-3b8a9948e749"}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1951118","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://security.netapp.com/advisory/ntap-20210528-0005/","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"https://lists.debian.org/debian-lts-announce/2022/09/msg00008.html","name":"[debian-lts-announce] 20220905 [SECURITY] [DLA 3099-1] qemu security update","tags":["mailing-list","x_refsource_MLIST","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-03T16:53:17.925Z"}}]}}}