# CVE-2026-57965: spice-vdagent: A flaw was found in spice-vdagent

CVE-2026-57965 is fixed in 3 products on 1 platform, first by spice-vdagent 0.22.1-1ubuntu0.1, released June 29, 2026. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2026-57965
- Priority: Routine
- CVSS: 5.1 (medium)
- EPSS: 0.0011
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Jun 29, 2026

## Description

A flaw was found in spice-vdagent. A malicious or compromised SPICE host can trigger an integer overflow by sending a specially crafted message. This vulnerability can lead to a heap buffer overflow, causing the spice-vdagent daemon to crash and resulting in a Denial of Service (DoS) for the virtual machine. This issue requires the SPICE host to be untrusted or compromised for exploitation.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | spice-vdagent Debian 12.15 (bookworm) | 0.22.1-3+deb12u1 | [DEBIAN-CVE-2026-57965](https://patchblox.com/security/data/fix/linux/debian-cve-2026-57965.md) | Jul 24, 2026 |
| Linux | spice-vdagent Debian 14 | 0.23.0-3 | [DEBIAN-CVE-2026-57965](https://patchblox.com/security/data/fix/linux/debian-cve-2026-57965.md) | Jul 24, 2026 |
| Linux | spice-vdagent Ubuntu 22.04.1 LTS (jammy) | 0.22.1-1ubuntu0.1 | [spice-vdagent 0.22.1-1ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-spice-vdagent-0.22.1-1ubuntu0.1.md) | Jun 29, 2026 |
| Linux | spice-vdagent Ubuntu 24.04.5 LTS (noble) | 0.22.1-4ubuntu0.1 | [spice-vdagent 0.22.1-4ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-noble-spice-vdagent-0.22.1-4ubuntu0.1.md) | Jun 29, 2026 |
| Linux | spice-vdagent Ubuntu 26.04.1 LTS (resolute) | 0.23.0-1ubuntu0.1 | [spice-vdagent 0.23.0-1ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-spice-vdagent-0.23.0-1ubuntu0.1.md) | Jun 29, 2026 |
| Linux | spice-vdagent amzn 2023 | 0.22.1-7.amzn2023.0.1 | [ALAS2023-2026-2061](https://patchblox.com/security/data/fix/linux/alas2023-2026-2061.md) | Aug 17, 2026 |
| Linux | spice-vdagent opensuse-leap 16.0 | 0.22.1-160000.3.1 | [OPENSUSE-SU-2026:21506-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-21506-1.md) | Jul 31, 2026 |
| Linux | spice-vdagent sles 15.6 | 0.22.1-150500.4.3.1 | [SUSE-SU-2026:3485-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-3485-1.md) | Aug 4, 2026 |
| Linux | spice-vdagent sles 15.7 | 0.22.1-150500.4.3.1 | [SUSE-SU-2026:3485-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-3485-1.md) | Aug 4, 2026 |
| Linux | spice-vdagent sles 16.0 | 0.22.1-160000.3.1 | [SUSE-SU-2026:23109-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-23109-1.md) | Jul 31, 2026 |
| Linux | spice-vdagent-debuginfo amzn 2023 | 0.22.1-7.amzn2023.0.1 | [ALAS2023-2026-2061](https://patchblox.com/security/data/fix/linux/alas2023-2026-2061.md) | Aug 17, 2026 |
| Linux | spice-vdagent-debugsource amzn 2023 | 0.22.1-7.amzn2023.0.1 | [ALAS2023-2026-2061](https://patchblox.com/security/data/fix/linux/alas2023-2026-2061.md) | Aug 17, 2026 |

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Data as of 2026-11-08T19:12:23Z 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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