# qemu-system-common 1:4.2-3ubuntu6.28: qemu-system-common 1:4.2-3ubuntu6.28 for Ubuntu 20.04 LTS (focal)

qemu-system-common 1:4.2-3ubuntu6.28, released November 3, 2023, fixes 8 CVEs in qemu-system-common. None of them is reported as exploited. Patch Radar priority: High. The product is no longer supported.

- Web page: https://patchblox.com/security/fix/linux/ubuntu-focal-qemu-system-common-1-4.2-3ubuntu6.28
- Platform: Linux
- Released: Nov 3, 2023
- Priority: High (Closes CVE-2023-3354, high severity)
- CVEs: 8, exploited: 0, on CISA KEV: 0

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [qemu-system-common](https://patchblox.com/security/data/product/linux/qemu-system-common.md) | Ubuntu 20.04 LTS (focal) | 1:4.2-3ubuntu6.28 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2023-3354](https://patchblox.com/security/data/cve/CVE-2023-3354.md) | High | qemu: A flaw was found in the QEMU built-in VNC server | 7.5 | 0.0161 |  |
| [CVE-2020-24165](https://patchblox.com/security/data/cve/CVE-2020-24165.md) | High | qemu: An issue was discovered in TCG Accelerator in QEMU 4.2.0, allows local attackers to execute arbitrary code, escalate... | 8.8 | 0.0070 |  |
| [CVE-2023-2861](https://patchblox.com/security/data/cve/CVE-2023-2861.md) | High | qemu: A flaw was found in the 9p passthrough filesystem (9pfs) implementation in QEMU | 7.1 | 0.0038 |  |
| [CVE-2023-5088](https://patchblox.com/security/data/cve/CVE-2023-5088.md) | High | qemu: A bug in QEMU could cause a guest I/O operation otherwise addressed to an arbitrary disk offset to be targeted to off... | 7.0 | 0.0026 |  |
| [CVE-2021-3638](https://patchblox.com/security/data/cve/CVE-2021-3638.md) | Routine | hivex: hw/display/ati_2d: Fix buffer overflow in ati_2d_blt (Philippe Mathieu-Daude) [Orabug: 36858674] | 6.5 | 0.0043 |  |
| [CVE-2020-14394](https://patchblox.com/security/data/cve/CVE-2020-14394.md) | Routine | qemu: An infinite loop flaw was found in the USB xHCI controller emulation of QEMU while computing the length of the Transf... | 3.2 | 0.0039 |  |
| [CVE-2023-1544](https://patchblox.com/security/data/cve/CVE-2023-1544.md) | Routine | qemu-system-data: A flaw was found in the QEMU implementation of VMWare's paravirtual RDMAdevice | 6.3 | 0.0031 |  |
| [CVE-2023-3180](https://patchblox.com/security/data/cve/CVE-2023-3180.md) | Routine | qemu: A flaw was found in the QEMU virtual crypto device while handling data encryption/decryption requests in virtio_crypt... | 6.5 | 0.0023 |  |

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Data as of 2026-11-13T20:04:13Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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