CVE-2019-11766
CRITICAL
9.8
CVSS Score
Published: May 5, 2019 at 05:18 AM UTC
Updated: June 17, 2026 at 02:13 AM UTC
2 products affected across 2 vendorsDebian LinuxDhcpcd
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Severity
CRITICAL9.8
Exploit prediction
EPSS 2%
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.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Debian Linux· Debiandrupal
95%v < 6.11.77.0.0 ≤ v < 7.2.2
Affected range stops below 6.11.7, so it looks safe — our inference, not a vendor statement
Affected range stops below 7.2.2, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (5)
x_refsource_MISCMailing ListPatchThird Party Advisory
Source: [email protected]
https://bugs.debian.org/928440x_refsource_MISCPatchVendor Advisory
Source: [email protected]
https://roy.marples.name/archives/dhcpcd-discuss/0002428.htmlx_refsource_MISCMailing ListPatchVendor Advisory
Source: [email protected]
https://roy.marples.name/cgit/dhcpcd.git/commit/?h=dhcpcd-7&id=896ef4a54b0578985e5e1360b141593f1d62837bx_refsource_MISCMailing ListPatchVendor Advisory
Source: [email protected]
https://roy.marples.name/cgit/dhcpcd.git/commit/?h=dhcpcd-7&id=c1ebeaafeb324bac997984abdcee2d4e8b61a8a8CVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- HIGH
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-125
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