CVE-2023-3255
Medium
Description
A flaw was found in the QEMU built-in VNC server while processing ClientCutText messages. A wrong exit condition may lead to an infinite loop when inflating an attacker controlled zlib buffer in the `inflate_buffer` function. This could allow a remote authenticated client who is able to send a clipboard to the VNC server to trigger a denial of service.
SeverityMedium
CVSS6.5
Exploit probability—
Product
Qemu
PublishedSep 13, 2023
First seenSep 13, 2023
Weakness typeCWE-835CWE-835
How to fix
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| qemu qemu | v ≤ 8.0.3 | — |
| redhat enterprise_linux | 8.0, 9.0 | — |
| fedoraproject fedora | 38 | — |
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