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Case File

CVE-2019-5609

HIGH · CVSS 7.5 EPSS 1.29%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2019-08-30 · Last synced 2026-08-04

CyberRota Analysis

AI analysis pending.

CVE
CVE-2019-5609
Severity
HIGH
CVSS
7.5
EPSS
1.29%

Original NVD Description

In FreeBSD 12.0-STABLE before r350619, 12.0-RELEASE before 12.0-RELEASE-p9, 11.3-STABLE before r350619, 11.3-RELEASE before 11.3-RELEASE-p2, and 11.2-RELEASE before 11.2-RELEASE-p13, the bhyve e1000 device emulation used a guest-provided value to determine the size of the on-stack buffer without validation when TCP segmentation offload is requested for a transmitted packet. A misbehaving bhyve guest could overwrite memory in the bhyve process on the host.