--- title: "CVE-2026-110912: DragonFly BSD - Information Disclosure" description: "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." url: https://panop.io/threat-heartbeat/CVE-2026-110912/ --- # 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 ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-110912) ## 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](https://cwe.mitre.org/data/definitions/130.html) ## 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 - [https://nvd.nist.gov/vuln/detail/CVE-2026-110912](https://nvd.nist.gov/vuln/detail/CVE-2026-110912) - [https://github.com/DragonFlyBSD/DragonFlyBSD/commit/4bb22ffcf2e9fb44995fbfd9945194afc87fb182](https://github.com/DragonFlyBSD/DragonFlyBSD/commit/4bb22ffcf2e9fb44995fbfd9945194afc87fb182) [← All CVEs](https://panop.io/threat-heartbeat/) ## What this record can't tell you - Whether you run the affected software, and where - Whether an attacker can actually reach and exploit it - The misconfigurations that never get a CVE number - What it would cost the business, ranked into what to fix first Panop answers these inside your environment, for this CVE and every other finding. [Book a demo](https://panop.io/demo)