{"id":"CVE-2024-7730","url":"https://www.cyber-defence.io/tools/cve/CVE-2024-7730","generatedAt":"2026-10-28T01:50:26.179Z","title":"A heap buffer overflow was found in the virtio-snd device in QEMU.","description":"A heap buffer overflow was found in the virtio-snd device in QEMU. When reading input audio in the virtio-snd input callback, virtio_snd_pcm_in_cb, the function did not check whether the iov can fit the data buffer. This issue can trigger an out-of-bounds write if the size of the virtio queue element is equal to virtio_snd_pcm_status, which makes the available space for audio data zero.","published":"2024-11-14T12:15:19.000Z","lastModified":"2026-06-17T08:20:48.000Z","status":"Analyzed","sourceIdentifier":"patrick@puiterwijk.org","cvss":{"version":"3.1","score":7.8,"severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-122"],"affected":["qemu/qemu"],"epss":{"score":0.00274,"percentile":0.19564,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (0.27%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://access.redhat.com/security/cve/CVE-2024-7730","tags":["Third Party Advisory"],"source":"patrick@puiterwijk.org"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2304289","tags":["Issue Tracking","Third Party Advisory"],"source":"patrick@puiterwijk.org"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2024-7730","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}