The vmxnet_tx_pkt_parse_headers function in hw/net/vmxnet_tx_pkt.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (buffer over-read) by leveraging failure to check IP header length.
https://lists.gnu.org/archive/html/qemu-stable/2016-08/msg00077.html
https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html
https://access.redhat.com/errata/RHSA-2017:2392
http://www.openwall.com/lists/oss-security/2016/08/18/4
http://www.openwall.com/lists/oss-security/2016/08/11/7
http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=93060258ae748573ca7197204125a2670047896d