CVE-2018-11806
QEMU: slirp: heap buffer overflow while reassembling fragmented datagrams
Severity
ImportantRed Hat Product Security
CVSS 3.0
Review impact separately from score.
Published · June 5, 2018
Updated · June 28, 2026
Description
A heap buffer overflow issue was found in the way SLiRP networking back-end in QEMU processes fragmented packets. It could occur while reassembling the fragmented datagrams of an incoming packet. A privileged user/process inside guest could use this flaw to crash the QEMU process resulting in DoS or potentially leverage it to execute arbitrary code on the host with privileges of the QEMU process.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.0 · 5.1CVSS:3.0/AV:A/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:L
CWE-122 · Heap-based Buffer Overflow