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Date: Thu, 24 Jan 2019 23:36:44 +0530 (IST)
From: P J P <>
To: oss security list <>
cc: Kira <>
Subject: CVE-2019-6778 QEMU: slirp: heap buffer overflow in tcp_emu()


A heap buffer overflow issue was found in the SLiRP networking implementation 
of the QEMU emulator. It occurs in tcp_emu() routine while emulating 
Identification protocol and copying message data to a socket buffer.

A user/process could use this flaw to crash the Qemu process on the host 
resulting in DoS or potentially execute arbitrary code with privileges of the 
QEMU process.

Upstream patch:

This issue was reported by Kira from Tencent Keen Security Lab.

CVE-2019-6778 assigned via ->

Thank you.
Prasad J Pandit / Red Hat Product Security Team
47AF CE69 3A90 54AA 9045 1053 DD13 3D32 FE5B 041F

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