CVE-2026-110912 DragonFly BSD - Information Disclosure

DragonFly BSD <= 6.4.2 before 4bb22ff contains an out-of-bounds read caused by improper validation of hardware and protocol address lengths in ARP input handlers, letting unauthenticated adjacent network attackers disclose kernel memory via crafted ARP requests.

CVSS base score 7.1 /10
High
CISA KEV
Not listed
Public exploit
Proof of concept available
Authentication
Not required
View the NVD record ↗

Details

Type
Information Disclosure
Impact
Information Disclosure
CVSS vector
CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Published
15 October 2026
Updated
15 October 2026
Weakness
CWE-130

Vendor fix

Update to DragonFly BSD 6.6 stable release or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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