What’s Vulnerable › Vulnerabilities

CVE-2019-11579

• Severity: medium (CVSS 5.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2019-04-28 · updated 2026-06-17
• Weakness: CWE-125

Description

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

Affected products

• Debian Linux: 8.0
• NetworkConfiguration dhcpcd: before 7.2.1 — fixed in 7.2.1

How to fix

Upgrade to a fixed version: NetworkConfiguration dhcpcd 7.2.1. Check the vendor advisory for mitigations.

References

• http://www.securityfocus.com/bid/108090
• https://lists.debian.org/debian-lts-announce/2019/05/msg00024.html
• https://roy.marples.name/archives/dhcpcd-discuss/0002415.html
• https://roy.marples.name/git/dhcpcd.git/commit/?id=4b67f6f1038fd4ad5ca7734eaaeba1b2ec4816b8
• http://www.securityfocus.com/bid/108090
• https://lists.debian.org/debian-lts-announce/2019/05/msg00024.html
• https://roy.marples.name/archives/dhcpcd-discuss/0002415.html
• https://roy.marples.name/git/dhcpcd.git/commit/?id=4b67f6f1038fd4ad5ca7734eaaeba1b2ec4816b8

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