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Ubuntu Security NoticesUSN-8723-1

USN-8723-1: SPICE vdagent vulnerabilities

It was discovered that SPICE vdagent had an integer overflow in the buffer size calculation used when writing to the daemon socket. A malicious or compromised SPICE host could possibly use this issue to cause SPICE vdagent to crash, resulting in a denial of service. (CVE-2026-57965) It was discovered that SPICE vdagent did not properly sanitize filenames provided by the SPICE host during file transfers. A malicious or compromised SPICE host could possibly use this issue to write arbitrary files to any location on the guest operating system with the privileges of the spice-vdagent process. (CVE-2026-57966)

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  1. Published by Ubuntu

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  2. Added to SecurityAlert

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Vulnerabilities

CVEs named in this advisory

CVE-2026-57965View CVSS, KEV, EPSS, and threat contextCVE-2026-57966View CVSS, KEV, EPSS, and threat context
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