CVE-2019-8460
High
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.
SeverityHigh
CVSS7.5
Exploit probability—
ProductOpenbsd
PublishedAug 26, 2019
First seenAug 26, 2019
Weakness typeCWE-1049CWE-1049
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| openbsd openbsd | v ≤ 6.5 | — |
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