{"schema_version":1,"title":"QEMU vulnerabilities","summary":"Junglewise Threat Intelligence has tracked 13 vulnerabilities in QEMU: 1 in the last 7 days and 3 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-93834, was published on 25 September 2026.","url":"https://junglewise.ai/threats/technologies/qemu","json_url":"https://junglewise.ai/threats/technologies/qemu.json","publisher":"Junglewise Threat Intelligence","license":"CC-BY-4.0","license_url":"https://creativecommons.org/licenses/by/4.0/","attribution":"Junglewise Threat Intelligence, https://junglewise.ai/threats/technologies/qemu","sources":"NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories","kind":"technology","counts":{"high":6,"all_time":13,"critical":0,"exploited":0,"last_7_days":1,"last_30_days":2,"last_90_days":3,"last_365_days":10},"latest":[{"cve":"CVE-2026-93834","cvss":8.8,"slug":"cve-2026-93834-a-use-after-free-vulnerability-was-found-in-qemu-s-9pfs-subsystem","title":"QEMU use-after-free in 9pfs subsystem with VM escape","severity":"high","exploited":false,"published_at":"2026-09-25T14:17:24.063+00:00","url":"https://junglewise.ai/threats/cve-2026-93834-a-use-after-free-vulnerability-was-found-in-qemu-s-9pfs-subsystem"},{"cve":"CVE-2026-81627","cvss":8.2,"epss":0.0019,"slug":"cve-2026-81627-qemu-vapic-setup-hypercall-memory-validation-bypass","title":"QEMU VAPIC setup hypercall memory validation bypass","severity":"high","exploited":false,"published_at":"2026-09-18T11:17:18.49+00:00","url":"https://junglewise.ai/threats/cve-2026-81627-qemu-vapic-setup-hypercall-memory-validation-bypass"},{"cve":"CVE-2026-3842","cvss":7.8,"slug":"cve-2026-3842-qemu-out-of-bounds-write-in-hyperv-syndbg-memory-mapping","title":"QEMU out-of-bounds write in hyperv/syndbg memory mapping","severity":"high","exploited":false,"published_at":"2026-07-16T01:16:30.697+00:00","url":"https://junglewise.ai/threats/cve-2026-3842-qemu-out-of-bounds-write-in-hyperv-syndbg-memory-mapping"},{"cve":"CVE-2026-9539","cvss":6.5,"slug":"cve-2026-9539-freedesktop-org-libslirp-heap-oob-read-in-tcp-urgent-data-handling","title":"freedesktop.org libslirp heap OOB read in TCP urgent data handling","severity":"medium","exploited":false,"published_at":"2026-06-24T05:17:31.1+00:00","url":"https://junglewise.ai/threats/cve-2026-9539-freedesktop-org-libslirp-heap-oob-read-in-tcp-urgent-data-handling"},{"cve":"CVE-2026-3196","cvss":5.5,"slug":"cve-2026-3196-qemu-virtio-snd-integer-overflow-in-pcm-info-requests","title":"QEMU virtio-snd integer overflow in PCM_INFO requests","severity":"medium","exploited":false,"published_at":"2026-06-19T17:16:22.81+00:00","url":"https://junglewise.ai/threats/cve-2026-3196-qemu-virtio-snd-integer-overflow-in-pcm-info-requests"},{"cve":"CVE-2026-3195","cvss":7.4,"slug":"cve-2026-3195-qemu-heap-overflow-in-virtio-snd-device","title":"QEMU heap overflow in virtio-snd device","severity":"high","exploited":false,"published_at":"2026-06-19T17:16:22.687+00:00","url":"https://junglewise.ai/threats/cve-2026-3195-qemu-heap-overflow-in-virtio-snd-device"},{"cve":"CVE-2026-48914","cvss":6.7,"slug":"cve-2026-48914-qemu-heap-overflow-in-virtio-blk-scsi-request-handling","title":"QEMU heap overflow in virtio-blk SCSI request handling","severity":"medium","exploited":false,"published_at":"2026-06-12T10:16:22.177+00:00","url":"https://junglewise.ai/threats/cve-2026-48914-qemu-heap-overflow-in-virtio-blk-scsi-request-handling"},{"cve":"CVE-2026-2243","cvss":5.1,"epss":0.0012,"slug":"cve-2026-2243-qemu-out-of-bounds-read-in-vmdk-image-parsing","title":"QEMU out-of-bounds read in VMDK image parsing","severity":"medium","exploited":false,"published_at":"2026-02-19T18:25:00.337+00:00","url":"https://junglewise.ai/threats/cve-2026-2243-qemu-out-of-bounds-read-in-vmdk-image-parsing"},{"cve":"CVE-2025-12464","cvss":6.2,"epss":0.0015,"slug":"cve-2025-12464-qemu-e1000-stack-buffer-overflow-in-loopback-mode","title":"QEMU e1000 stack buffer overflow in loopback mode","severity":"medium","exploited":false,"published_at":"2025-10-31T22:15:32.977+00:00","url":"https://junglewise.ai/threats/cve-2025-12464-qemu-e1000-stack-buffer-overflow-in-loopback-mode"},{"cve":"CVE-2025-11234","cvss":7.5,"epss":0.0016,"slug":"cve-2025-11234-qemu-use-after-free-in-vnc-websocket-handshake","title":"QEMU use-after-free in VNC WebSocket handshake","severity":"high","exploited":false,"published_at":"2025-10-03T11:15:30.437+00:00","url":"https://junglewise.ai/threats/cve-2025-11234-qemu-use-after-free-in-vnc-websocket-handshake"},{"cve":"CVE-2024-3447","cvss":6,"slug":"cve-2024-3447-qemu-heap-buffer-overflow-in-sdhci-device-emulation","title":"QEMU heap buffer overflow in SDHCI device emulation","severity":"medium","exploited":false,"published_at":"2024-11-14T12:15:17.743+00:00","url":"https://junglewise.ai/threats/cve-2024-3447-qemu-heap-buffer-overflow-in-sdhci-device-emulation"},{"cve":"CVE-2023-3019","cvss":6,"slug":"cve-2023-3019-qemu-use-after-free-in-e1000e-nic-emulation","title":"QEMU use-after-free in e1000e NIC emulation","severity":"medium","exploited":false,"published_at":"2023-07-24T16:15:12.253+00:00","url":"https://junglewise.ai/threats/cve-2023-3019-qemu-use-after-free-in-e1000e-nic-emulation"},{"cve":"CVE-2016-9381","cvss":7.5,"slug":"cve-2016-9381-xen-qemu-race-condition-in-shared-ring-processing","title":"Xen QEMU race condition in shared ring processing","severity":"high","exploited":false,"published_at":"2017-01-23T21:59:02.8+00:00","url":"https://junglewise.ai/threats/cve-2016-9381-xen-qemu-race-condition-in-shared-ring-processing"}],"weekly":[{"week":"2026-06-29","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-06","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-13","critical":0,"exploited":0,"vulnerabilities":1},{"week":"2026-07-20","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-27","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-03","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-10","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-17","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-24","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-31","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-07","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-14","critical":0,"exploited":0,"vulnerabilities":1},{"week":"2026-09-21","critical":0,"exploited":0,"vulnerabilities":1}],"related":[],"technology":{"hub":true,"name":"QEMU","slug":"qemu","vendor":{"name":"Qemu","slug":"qemu","url":"https://junglewise.ai/threats/vendors/qemu"},"aliases":[],"category":"hypervisor","homepage":"https://www.qemu.org/","repo_url":"https://github.com/qemu/qemu.git","description":"A generic and open source machine emulator and virtualizer.","url":"https://junglewise.ai/threats/technologies/qemu"},"most_severe":[{"cve":"CVE-2026-93834","cvss":8.8,"slug":"cve-2026-93834-a-use-after-free-vulnerability-was-found-in-qemu-s-9pfs-subsystem","title":"QEMU use-after-free in 9pfs subsystem with VM escape","severity":"high","exploited":false,"published_at":"2026-09-25T14:17:24.063+00:00","url":"https://junglewise.ai/threats/cve-2026-93834-a-use-after-free-vulnerability-was-found-in-qemu-s-9pfs-subsystem"},{"cve":"CVE-2026-81627","cvss":8.2,"epss":0.0019,"slug":"cve-2026-81627-qemu-vapic-setup-hypercall-memory-validation-bypass","title":"QEMU VAPIC setup hypercall memory validation bypass","severity":"high","exploited":false,"published_at":"2026-09-18T11:17:18.49+00:00","url":"https://junglewise.ai/threats/cve-2026-81627-qemu-vapic-setup-hypercall-memory-validation-bypass"},{"cve":"CVE-2026-3842","cvss":7.8,"slug":"cve-2026-3842-qemu-out-of-bounds-write-in-hyperv-syndbg-memory-mapping","title":"QEMU out-of-bounds write in hyperv/syndbg memory mapping","severity":"high","exploited":false,"published_at":"2026-07-16T01:16:30.697+00:00","url":"https://junglewise.ai/threats/cve-2026-3842-qemu-out-of-bounds-write-in-hyperv-syndbg-memory-mapping"},{"cve":"CVE-2025-11234","cvss":7.5,"epss":0.0016,"slug":"cve-2025-11234-qemu-use-after-free-in-vnc-websocket-handshake","title":"QEMU use-after-free in VNC WebSocket handshake","severity":"high","exploited":false,"published_at":"2025-10-03T11:15:30.437+00:00","url":"https://junglewise.ai/threats/cve-2025-11234-qemu-use-after-free-in-vnc-websocket-handshake"},{"cve":"CVE-2016-9381","cvss":7.5,"slug":"cve-2016-9381-xen-qemu-race-condition-in-shared-ring-processing","title":"Xen QEMU race condition in shared ring processing","severity":"high","exploited":false,"published_at":"2017-01-23T21:59:02.8+00:00","url":"https://junglewise.ai/threats/cve-2016-9381-xen-qemu-race-condition-in-shared-ring-processing"},{"cve":"CVE-2026-3195","cvss":7.4,"slug":"cve-2026-3195-qemu-heap-overflow-in-virtio-snd-device","title":"QEMU heap overflow in virtio-snd device","severity":"high","exploited":false,"published_at":"2026-06-19T17:16:22.687+00:00","url":"https://junglewise.ai/threats/cve-2026-3195-qemu-heap-overflow-in-virtio-snd-device"},{"cve":"CVE-2026-48914","cvss":6.7,"slug":"cve-2026-48914-qemu-heap-overflow-in-virtio-blk-scsi-request-handling","title":"QEMU heap overflow in virtio-blk SCSI request handling","severity":"medium","exploited":false,"published_at":"2026-06-12T10:16:22.177+00:00","url":"https://junglewise.ai/threats/cve-2026-48914-qemu-heap-overflow-in-virtio-blk-scsi-request-handling"},{"cve":"CVE-2026-9539","cvss":6.5,"slug":"cve-2026-9539-freedesktop-org-libslirp-heap-oob-read-in-tcp-urgent-data-handling","title":"freedesktop.org libslirp heap OOB read in TCP urgent data handling","severity":"medium","exploited":false,"published_at":"2026-06-24T05:17:31.1+00:00","url":"https://junglewise.ai/threats/cve-2026-9539-freedesktop-org-libslirp-heap-oob-read-in-tcp-urgent-data-handling"},{"cve":"CVE-2025-12464","cvss":6.2,"epss":0.0015,"slug":"cve-2025-12464-qemu-e1000-stack-buffer-overflow-in-loopback-mode","title":"QEMU e1000 stack buffer overflow in loopback mode","severity":"medium","exploited":false,"published_at":"2025-10-31T22:15:32.977+00:00","url":"https://junglewise.ai/threats/cve-2025-12464-qemu-e1000-stack-buffer-overflow-in-loopback-mode"},{"cve":"CVE-2024-3447","cvss":6,"slug":"cve-2024-3447-qemu-heap-buffer-overflow-in-sdhci-device-emulation","title":"QEMU heap buffer overflow in SDHCI device emulation","severity":"medium","exploited":false,"published_at":"2024-11-14T12:15:17.743+00:00","url":"https://junglewise.ai/threats/cve-2024-3447-qemu-heap-buffer-overflow-in-sdhci-device-emulation"}],"generated_at":"2026-09-26T11:07:00.153785+00:00"}