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Vulnerability record · CVE-2019-11766 · published 5 May 2019
CVE-2019-11766: Dhcpcd project dhcpcd out-of-bounds read vulnerability
DDhcpcd Project · Dhcpcd
dhcp6.c in dhcpcd before 6.11.7 and 7.x before 7.2.2 has a buffer over-read in the D6_OPTION_PD_EXCLUDE feature.
9.8 CVSS 3.1 Critical EPSS 2.1% · top 19.0% CWE-125 · Out-of-bounds read
9.8CVSS 3.1 base score, v2 7.5
2.1%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
10References
17 Jun 2026Last modified by NVD
Description
dhcp6.c in dhcpcd before 6.11.7 and 7.x before 7.2.2 has a buffer over-read in the D6_OPTION_PD_EXCLUDE feature.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected products
2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.
References
| Link | Tags |
|---|---|
| http://www.securityfocus.com/bid/108172 | Broken Link |
| https://bugs.debian.org/928440 | Mailing ListPatchThird Party Advisory |
| https://roy.marples.name/archives/dhcpcd-discuss/0002428.html | PatchVendor Advisory |
| https://roy.marples.name/cgit/dhcpcd.git/commit/?h=dhcpcd-7&id=896ef4a54b0578985e5e1360b141593f1d62837b | Mailing ListPatchVendor Advisory |
| https://roy.marples.name/cgit/dhcpcd.git/commit/?h=dhcpcd-7&id=c1ebeaafeb324bac997984abdcee2d4e8b61a8a8 | Mailing ListPatchVendor Advisory |
| http://www.securityfocus.com/bid/108172 | Broken Link |
| https://bugs.debian.org/928440 | Mailing ListPatchThird Party Advisory |
| https://roy.marples.name/archives/dhcpcd-discuss/0002428.html | PatchVendor Advisory |
| https://roy.marples.name/cgit/dhcpcd.git/commit/?h=dhcpcd-7&id=896ef4a54b0578985e5e1360b141593f1d62837b | Mailing ListPatchVendor Advisory |
| https://roy.marples.name/cgit/dhcpcd.git/commit/?h=dhcpcd-7&id=c1ebeaafeb324bac997984abdcee2d4e8b61a8a8 | Mailing ListPatchVendor Advisory |
Track CVE-2019-11766 inside VULONE
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Source: NIST National Vulnerability Database (record CVE-2019-11766), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.
