CVE-2019-8460

Published Aug 26, 2019 CVSS 3.1 · 7.5 High EPSS 2.3% KEV · Not listed
Description
OpenBSD kernel version <= 6.5 can be forced to create long chains of TCP SACK holes that causes very expensive calls to tcp_sack_option() for every incoming SACK packet which can lead to a denial of service.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

Source ID Title
EUVD EUVD EUVD-2019-17850 OpenBSD kernel version <= 6.5 can be forced to create long chains of TCP SACK holes that causes very expensive calls to tcp_sack_option() for every incoming SACK packet which can lead to a denial of service.
History

No history.

Weaknesses

Sources

Status
PUBLISHED
Assigner
checkpoint
Published
Updated
Aug 4, 2024, 9:17 PM
Reserved
Feb 18, 2019, 12:00 AM
Status
Modified
Published
Aug 26, 2019, 8:15 PM
Modified
Jun 17, 2026, 2:42 AM