What is CVE-2019-11579?

CVE-2019-11579 is a medium-severity vulnerability in Dhcpcd Project, classified under Out-of-bounds Read. CVSS score: 5.3/10. Published 2019-04-28.

How severe is CVE-2019-11579?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Out-of-bounds Read in Dhcpcd Project

CVE-2019-11579

dhcp.c in dhcpcd before 7.2.1 contains a 1-byte read overflow with DHO_OPTSOVERLOADED.

Vulnerability class: Buffer Overflow

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

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.014 (72.6th percentile), scored 2026-10-29.

Low probability of exploitation in the next 30 days, but still tracked. 73rd percentile — 72.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.014 · newest: 0.014 · change: 0.000

Affected products

Dhcpcd Project
Debian Linux — versions 8.0

Weakness classification (CWE)

CWE-125 — Out-of-bounds Read

References

roy.marples.name/archives/dhcpcd-discuss/0002415.html (Third Party Advisory, Release Notes)
roy.marples.name/git/dhcpcd.git/commit/ (Patch, Third Party Advisory)
www.securityfocus.com/bid/108090 (vdb-entry, Broken Link)
lists.debian.org/debian-lts-announce/2019/05/msg00024.html (mailing-list, Mailing List, Third Party Advisory)

Frequently asked questions

What is CVE-2019-11579?: CVE-2019-11579 is a medium-severity vulnerability in Dhcpcd Project, classified under Out-of-bounds Read. CVSS score: 5.3/10. Published 2019-04-28.
How severe is CVE-2019-11579?: Medium severity. CVSS v3 base score is 5.3 out of 10.