Qemu has a Buffer Overflow in rtl8139_do_receive in hw/net/rtl8139.c because an incorrect integer data type is used.

References

• advisory http://www.openwall.com/lists/oss-security/2018/10/08/1
• advisory http://www.securityfocus.com/bid/105556
• advisory https://access.redhat.com/errata/RHSA-2019:2425
• advisory https://access.redhat.com/errata/RHSA-2019:2553
• advisory https://lists.debian.org/debian-lts-announce/2019/01/msg00023.html
• advisory https://seclists.org/bugtraq/2019/May/76
• advisory https://usn.ubuntu.com/3826-1/
• advisory https://www.debian.org/security/2019/dsa-4454
• patch https://lists.gnu.org/archive/html/qemu-devel/2018-09/msg03269.html