What is CVE-2019-11578?

CVE-2019-11578 is a medium-severity vulnerability in Dhcpcd Project, classified under Observable Discrepancy. CVSS score: 5.9/10. Published 2019-04-28.

How severe is CVE-2019-11578?

Medium severity. CVSS v3 base score is 5.9 out of 10.

Vulnerability in Dhcpcd Project

CVE-2019-11578

auth.c in dhcpcd before 7.2.1 allowed attackers to infer secrets by performing latency attacks.

Published 2019-04-28 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.020 (81.1th percentile), scored 2026-10-29.

Low probability of exploitation in the next 30 days, but still tracked. 81st percentile — 81.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.020 · newest: 0.020 · change: 0.000

Affected products

Dhcpcd Project

Weakness classification (CWE)

CWE-203 — Observable Discrepancy

References

roy.marples.name/archives/dhcpcd-discuss/0002415.html (Third Party Advisory)
roy.marples.name/git/dhcpcd.git/commit/ (Patch, Third Party Advisory)
roy.marples.name/git/dhcpcd.git/commit/ (Third Party Advisory)
roy.marples.name/git/dhcpcd.git/commit/ (Patch, Third Party Advisory)
www.securityfocus.com/bid/108090 (VDB Entry, Third Party Advisory, vdb-entry)

Frequently asked questions

What is CVE-2019-11578?: CVE-2019-11578 is a medium-severity vulnerability in Dhcpcd Project, classified under Observable Discrepancy. CVSS score: 5.9/10. Published 2019-04-28.
How severe is CVE-2019-11578?: Medium severity. CVSS v3 base score is 5.9 out of 10.