CVE-2019-8460 describes a denial-of-service vulnerability in OpenBSD kernel versions 6.5 and earlier. An attacker can force the kernel to create excessively long TCP SACK chains, leading to resource-intensive processing of incoming SACK packets. This vulnerability has a CVSS score of 7.5 (High), indicating it can be exploited remotely with low attack complexity to achieve a complete denial of service. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 6.5CPE matchmatch criteria | cpe:2.3:o:openbsd:openbsd:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
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