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QEMU: slirp: information leakage in tcp_emu() due to uninitialized stack variables

🗓️ 05 Nov 2019 21:06:03Reported by RedHatType 
redhat
 redhat🔗 access.redhat.com👁 5 Views

QEMU slirp tcp emu in 3.0.0 leaks information via uninitialized stack data used in snprintf.

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Tenable Nessus		Alibaba Cloud Linux 3 : 0074: virt:rhel (ALINUX3-SA-2022:0074)
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Tenable Nessus		CentOS 8 : virt:rhel (CESA-2019:3345)
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OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux8anyslof0:20171214-6.gitfa98132.module+el8.1.0+4066+0f1aadab.noarchSLOF-0:20171214-6.gitfa98132.module+el8.1.0+4066+0f1aadab.noarch.noarch.rpm
Red Hat Enterprise Linux8aarch64hivex0:1.3.15-7.module+el8.1.0+4066+0f1aadabhivex-0:1.3.15-7.module+el8.1.0+4066+0f1aadab.aarch64.rpm
Red Hat Enterprise Linux8ppc64lehivex0:1.3.15-7.module+el8.1.0+4066+0f1aadabhivex-0:1.3.15-7.module+el8.1.0+4066+0f1aadab.ppc64le.rpm
Red Hat Enterprise Linux8s390xhivex0:1.3.15-7.module+el8.1.0+4066+0f1aadabhivex-0:1.3.15-7.module+el8.1.0+4066+0f1aadab.s390x.rpm
Red Hat Enterprise Linux8x86_64hivex0:1.3.15-7.module+el8.1.0+4066+0f1aadabhivex-0:1.3.15-7.module+el8.1.0+4066+0f1aadab.x86_64.rpm
Red Hat Enterprise Linux8anyhivex0:1.3.15-7.module+el8.1.0+4066+0f1aadab.i686hivex-0:1.3.15-7.module+el8.1.0+4066+0f1aadab.i686.noarch.rpm
Red Hat Enterprise Linux8aarch64hivex-debuginfo0:1.3.15-7.module+el8.1.0+4066+0f1aadabhivex-debuginfo-0:1.3.15-7.module+el8.1.0+4066+0f1aadab.aarch64.rpm
Red Hat Enterprise Linux8ppc64lehivex-debuginfo0:1.3.15-7.module+el8.1.0+4066+0f1aadabhivex-debuginfo-0:1.3.15-7.module+el8.1.0+4066+0f1aadab.ppc64le.rpm
Red Hat Enterprise Linux8s390xhivex-debuginfo0:1.3.15-7.module+el8.1.0+4066+0f1aadabhivex-debuginfo-0:1.3.15-7.module+el8.1.0+4066+0f1aadab.s390x.rpm
Red Hat Enterprise Linux8x86_64hivex-debuginfo0:1.3.15-7.module+el8.1.0+4066+0f1aadabhivex-debuginfo-0:1.3.15-7.module+el8.1.0+4066+0f1aadab.x86_64.rpm
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28 Jun 2026 08:44Current
6.8Medium risk
Vulners AI Score6.8
CVSS 22.1
CVSS 35.5
EPSS0.00515
CWE-200
qemuslirptcp emuinformation disclosureuninitialized data
5