QE
Product
QEMU
by QEMU · last CVE Jul 25, 2025
419
CVEs
0
On KEV
10.0
Max CVSS
0
New 30D
Severity mix
Critical 17High 83Medium 221Low 26
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CVECVSSEPSSPublishedSummary · affected versions
CVE-2021-3735
4.4
0%
Aug 26
A deadlock issue was found in the AHCI controller device of QEMU
Affected: 6.1.0
CVE-2020-35505
4.4
0%
May 28
A NULL pointer dereference flaw was found in the am53c974 SCSI host bus adapter emulation of QEMU in versions before 6.0.0
Affected: before 6.0.0; 6.0.0; 6.0.0
CVE-2017-18030
4.4
0%
Jan 23
The cirrus_invalidate_region function in hw/display/cirrus_vga.c in Qemu allows local OS guest privileged users to cause a denial of service (out-of-bounds array access and QEMU…
Affected: through 2.8.1.1
CVE-2017-11334
4.4
1%
Aug 2
The address_space_write_continue function in exec.c in QEMU (aka Quick Emulator) allows local guest OS privileged users to cause a denial of service (out-of-bounds access and…
Affected: through 2.9.1
CVE-2016-7421
4.4
0%
Dec 10
The pvscsi_ring_pop_req_descr function in hw/scsi/vmw_pvscsi.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (infinite loop and…
Affected: through 2.7.1
CVE-2016-7170
4.4
0%
Dec 10
The vmsvga_fifo_run function in hw/display/vmware_vga.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (out-of-bounds write and…
Affected: through 2.7.1
CVE-2016-7157
4.4
0%
Dec 10
The (1) mptsas_config_manufacturing_1 and (2) mptsas_config_ioc_0 functions in hw/scsi/mptconfig.c in QEMU (aka Quick Emulator) allow local guest OS administrators to cause a…
Affected: through 2.7.1
CVE-2016-7156
4.4
0%
Dec 10
The pvscsi_convert_sglist function in hw/scsi/vmw_pvscsi.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (infinite loop and QEMU…
Affected: through 2.7.1
CVE-2016-7155
4.4
0%
Dec 10
hw/scsi/vmw_pvscsi.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (out-of-bounds access or infinite loop, and QEMU process crash)…
Affected: through 2.7.1
CVE-2016-6888
4.4
0%
Dec 10
Integer overflow in the net_tx_pkt_init function in hw/net/net_tx_pkt.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (QEMU…
Affected: through 2.6.2; 2.7.0; 2.7.0; 2.7.0; 2.7.0
CVE-2016-6834
4.4
0%
Dec 10
The net_tx_pkt_do_sw_fragmentation function in hw/net/net_tx_pkt.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (infinite loop…
Affected: through 2.6.2; 2.7.0; 2.7.0; 2.7.0
CVE-2016-6833
4.4
0%
Dec 10
Use-after-free vulnerability in the vmxnet3_io_bar0_write function in hw/net/vmxnet3.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of…
Affected: through 2.6.2; 2.7.0; 2.7.0; 2.7.0
CVE-2016-6490
4.4
0%
Dec 10
The virtqueue_map_desc function in hw/virtio/virtio.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (infinite loop and QEMU…
Affected: through 2.6.2; 2.7.0
CVE-2016-9104
4.4
0%
Dec 9
Multiple integer overflows in the (1) v9fs_xattr_read and (2) v9fs_xattr_write functions in hw/9pfs/9p.c in QEMU (aka Quick Emulator) allow local guest OS administrators to cause…
Affected: through 2.7.1
CVE-2016-7423
4.4
0%
Oct 10
The mptsas_process_scsi_io_request function in QEMU (aka Quick Emulator), when built with LSI SAS1068 Host Bus emulation support, allows local guest OS administrators to cause a…
Affected: through 2.7.1
CVE-2016-7909
4.4
0%
Oct 5
The pcnet_rdra_addr function in hw/net/pcnet.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (infinite loop and QEMU process…
Affected: through 2.7.1
CVE-2016-7908
4.4
0%
Oct 5
The mcf_fec_do_tx function in hw/net/mcf_fec.c in QEMU (aka Quick Emulator) does not properly limit the buffer descriptor count when transmitting packets, which allows local guest…
Affected: through 2.7.1
CVE-2016-7907
4.4
0%
Oct 5
The imx_fec_do_tx function in hw/net/imx_fec.c in QEMU (aka Quick Emulator) does not properly limit the buffer descriptor count when transmitting packets, which allows local guest…
Affected: through 2.8.1.1; 2.9.0; 2.9.0; 2.9.0; 2.9.0; 2.9.0; +1 more
CVE-2016-5105
4.4
0%
Sep 2
The megasas_dcmd_cfg_read function in hw/scsi/megasas.c in QEMU, when built with MegaRAID SAS 8708EM2 Host Bus Adapter emulation support, uses an uninitialized variable, which…
Affected: through 2.6.2
CVE-2016-5238
4.4
0%
Jun 14
The get_cmd function in hw/scsi/esp.c in QEMU might allow local guest OS administrators to cause a denial of service (out-of-bounds write and QEMU process crash) via vectors…
Affected: through 2.6.2
CVE-2016-4453
4.4
0%
Jun 1
The vmsvga_fifo_run function in hw/display/vmware_vga.c in QEMU allows local guest OS administrators to cause a denial of service (infinite loop and QEMU process crash) via a VGA…
Affected: through 2.6.0
CVE-2020-29443
3.9
0%
Jan 26
ide_atapi_cmd_reply_end in hw/ide/atapi.c in QEMU 5.1.0 allows out-of-bounds read access because a buffer index is not validated
Affected: 5.1.0
CVE-2020-13361
3.9
0%
May 28
In QEMU 5.0.0 and earlier, es1370_transfer_audio in hw/audio/es1370.c does not properly validate the frame count, which allows guest OS users to trigger an out-of-bounds access…
Affected: through 5.0.0
CVE-2020-11947
3.8
0%
Dec 31
iscsi_aio_ioctl_cb in block/iscsi.c in QEMU 4.1.0 has a heap-based buffer over-read that may disclose unrelated information from process memory to an attacker
Affected: 4.1.0
CVE-2020-12829
3.8
0%
Aug 31
In QEMU through 5.0.0, an integer overflow was found in the SM501 display driver implementation
Affected: through 5.0.1
CVE-2020-16092
3.8
0%
Aug 11
In QEMU through 5.0.0, an assertion failure can occur in the network packet processing
Affected: through 5.0.0
CVE-2019-12068
3.8
1%
Sep 24
In QEMU 1:4.1-1, 1:2.1+dfsg-12+deb8u6, 1:2.8+dfsg-6+deb9u8, 1:3.1+dfsg-8~deb10u1, 1:3.1+dfsg-8+deb10u2, and 1:2.1+dfsg-12+deb8u12 (fixed), when executing script in…
Affected: 1:4.1-1; 1:2.1+dfsg-12+deb8u6; 1:2.8+dfsg-6+deb9u8; 1:3.1+dfsg-8+deb10u2; 1:3.1+dfsg-8~deb10u1
CVE-2019-20382
3.5
1%
Mar 5
QEMU 4.1.0 has a memory leak in zrle_compress_data in ui/vnc-enc-zrle.c during a VNC disconnect operation because libz is misused, resulting in a situation where memory allocated…
Affected: 4.1.0
CVE-2015-6815
3.5
1%
Jan 31
The process_tx_desc function in hw/net/e1000.c in QEMU before 2.4.0.1 does not properly process transmit descriptor data when sending a network packet, which allows attackers to…
Affected: before 2.4.0.1
CVE-2021-20263
3.3
0%
Mar 9
A flaw was found in the virtio-fs shared file system daemon (virtiofsd) of QEMU
Affected: 5.0.0 before 5.2.50
CVE-2020-14415
3.3
0%
Aug 27
oss_write in audio/ossaudio.c in QEMU before 5.0.0 mishandles a buffer position
Affected: before 5.0.0
CVE-2020-15859
3.3
0%
Jul 21
QEMU 4.2.0 has a use-after-free in hw/net/e1000e_core.c because a guest OS user can trigger an e1000e packet with the data's address set to the e1000e's MMIO address
Affected: 4.2.0
CVE-2020-11869
3.3
0%
Apr 27
An integer overflow was found in QEMU 4.0.1 through 4.2.0 in the way it implemented ATI VGA emulation
Affected: 4.0.1 through 4.2.0
CVE-2019-8934
3.3
1%
Mar 17
hw/ppc/spapr.c in QEMU through 3.1.0 allows Information Exposure because the hypervisor shares the /proc/device-tree/system-id and /proc/device-tree/model system attributes with a…
Affected: through 3.1.0
CVE-2016-9908
3.3
0%
Dec 23
Quick Emulator (Qemu) built with the Virtio GPU Device emulator support is vulnerable to an information leakage issue
Affected: through 2.8.1.1
CVE-2020-14394
3.2
0%
Aug 17
An infinite loop flaw was found in the USB xHCI controller emulation of QEMU while computing the length of the Transfer Request Block (TRB) Ring
Affected: 6.1.50
CVE-2022-26354
3.2
0%
Mar 16
A flaw was found in the vhost-vsock device of QEMU
Affected: through 6.2.0
CVE-2021-3392
3.2
0%
Mar 23
A use-after-free flaw was found in the MegaRAID emulator of QEMU
Affected: 2.10.0 through 5.2.0
CVE-2021-20203
3.2
1%
Feb 25
An integer overflow issue was found in the vmxnet3 NIC emulator of the QEMU for versions up to v5.2.0
Affected: through 5.2.0
CVE-2020-25723
3.2
0%
Dec 2
A reachable assertion issue was found in the USB EHCI emulation code of QEMU
Affected: through 5.1.1
CVE-2020-25743
3.2
0%
Oct 6
hw/ide/pci.c in QEMU before 5.1.1 can trigger a NULL pointer dereference because it lacks a pointer check before an ide_cancel_dma_sync call
Affected: before 5.1.1
CVE-2020-25742
3.2
0%
Oct 6
pci_change_irq_level in hw/pci/pci.c in QEMU before 5.1.1 has a NULL pointer dereference because pci_get_bus() might not return a valid pointer
Affected: before 5.1.1
CVE-2020-25741
3.2
0%
Oct 2
fdctrl_write_data in hw/block/fdc.c in QEMU 5.0.0 has a NULL pointer dereference via a NULL block pointer for the current drive
Affected: 5.0.0
CVE-2020-25084
3.2
0%
Sep 25
QEMU 5.0.0 has a use-after-free in hw/usb/hcd-xhci.c because the usb_packet_map return value is not checked
Affected: 5.0.0
CVE-2020-13362
3.2
0%
May 28
In QEMU 5.0.0 and earlier, megasas_lookup_frame in hw/scsi/megasas.c has an out-of-bounds read via a crafted reply_queue_head field from a guest OS user
Affected: through 5.0.0
CVE-2020-13659
2.5
0%
Jun 2
address_space_map in exec.c in QEMU 4.2.0 can trigger a NULL pointer dereference related to BounceBuffer
Affected: 4.2.0
CVE-2020-15469
2.3
0%
Jul 2
In QEMU 4.2.0, a MemoryRegionOps object may lack read/write callback methods, leading to a NULL pointer dereference
Affected: through 5.0.1
CVE-2015-7295
–
5%
Nov 9
hw/virtio/virtio.c in the Virtual Network Device (virtio-net) support in QEMU, when big or mergeable receive buffers are not supported, allows remote attackers to cause a denial…
Affected: through 2.4.1
CVE-2015-5225
–
1%
Nov 6
Buffer overflow in the vnc_refresh_server_surface function in the VNC display driver in QEMU before 2.4.0.1 allows guest users to cause a denial of service (heap memory corruption…
Affected: through 2.4.0
CVE-2015-5279
–
1%
Sep 28
Heap-based buffer overflow in the ne2000_receive function in hw/net/ne2000.c in QEMU before 2.4.0.1 allows guest OS users to cause a denial of service (instance crash) or possibly…
Affected: through 2.4.0
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