CVE-2026-115863 ConnMan - Buffer Overflow

ConnMan through 2.0 contains a stack-based buffer overflow caused by improper handling of DHCPv6 DOMAIN_LIST option in get_domains function, letting unauthenticated on-link attackers cause a crash via crafted DHCPv6 Reply messages.

CVSS base score 7.6 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
0.41% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Buffer Overflow
Impact
Denial Of Service
CVSS vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H
Published
23 October 2026
Updated
25 October 2026
Weakness
CWE-121

Vendor fix

Update to a version later than 2.0 or apply patches fixing the buffer overflow in DHCPv6 handling.

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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