CVE-2018-18409
5.5
MEDIUM
CVSS 3.1
EPSS 0.19%
Description
A stack-based buffer over-read exists in setbit() at iptree.h of TCPFLOW 1.5.0, due to received incorrect values causing incorrect computation, leading to denial of service during an address_histogram call or a get_histogram call.
How to fix CVE-2018-18409
To remediate CVE-2018-18409, upgrade the affected package to a fixed version below.
- Alpine/tcpflow—upgrade to 1.5.0-r1 or later
- —upgrade to 1.5.2+repack1-1 or later
Is CVE-2018-18409 being exploited?
Low — EPSS is 0.2%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 1.5.0-r1
- from 0, < 1.5.2+repack1-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.5 | CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |