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Permalink CVE-2023-3255
created 4 months, 3 weeks ago
Qemu: vnc: infinite loop in inflate_buffer() leads to denial of service

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.

Affected products

qemu
  • ==8.1.0-rc0
qemu-kvm
  • *
virt:rhel
  • *
qemu-kvm-ma
virt-devel:rhel
  • *
virt:av/qemu-kvm
virt:rhel/qemu-kvm

Matching in nixpkgs

pkgs.qemu

Generic and open source machine emulator and virtualizer

  • nixos-unstable -

pkgs.qemu_kvm

Generic and open source machine emulator and virtualizer

  • nixos-unstable -

pkgs.qemu_xen

Generic and open source machine emulator and virtualizer

  • nixos-unstable -

pkgs.qemu-user

QEMU User space emulator - launch executables compiled for one CPU on another CPU

  • nixos-unstable -

pkgs.qemu_full

Generic and open source machine emulator and virtualizer

  • nixos-unstable -

pkgs.qemu_test

Generic and open source machine emulator and virtualizer

  • nixos-unstable -

pkgs.qemu-utils

Generic and open source machine emulator and virtualizer

  • nixos-unstable -

pkgs.qemu-python-utils

Python tooling used by the QEMU project to build, configure, and test QEMU

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