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CVE-2022-3165

MEDIUMCVSS 6.5/10EPSS 1.14%

Last modified

CVE-2022-3165 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. An integer underflow issue was found in the QEMU VNC server while processing ClientCutText messages in the extended format. A malicious client could use this flaw to make QEMU unresponsive by sending a specially crafted payload message, resulting in a denial of service.. EPSS estimates a 1.14% chance of exploitation in the next 30 days.

Description

An integer underflow issue was found in the QEMU VNC server while processing ClientCutText messages in the extended format. A malicious client could use this flaw to make QEMU unresponsive by sending a specially crafted payload message, resulting in a denial of service.

Metrics

CVSS 3.1
6.5/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS Probability
1.14%

62.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
QemuQemu>= 6.1.0, <= 7.1.0
FedoraprojectFedora36
FedoraprojectFedora37

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2022-3165?
An integer underflow issue was found in the QEMU VNC server while processing ClientCutText messages in the extended format. A malicious client could use this flaw to make QEMU unresponsive by sending a specially crafted payload message, resulting in a denial of service.
How severe is CVE-2022-3165?
CVE-2022-3165 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 1.14% probability of exploitation in the next 30 days.
How do I fix CVE-2022-3165?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-3165?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST