iterator.c in NLnet Labs Unbound before 1.5.1 does not limit delegation chaining, which allows remote attackers to cause a denial of service (memory and CPU consumption) via a large or infinite number of referrals.
Name | Vendor | Start Version | End Version |
---|---|---|---|
Unbound | Nlnetlabs | * | 1.5.0 (including) |
Unbound | Ubuntu | devel | * |
Unbound | Ubuntu | lucid | * |
Unbound | Ubuntu | precise | * |
Unbound | Ubuntu | trusty | * |
Unbound | Ubuntu | upstream | * |
Unbound | Ubuntu | utopic | * |
Unbound | Ubuntu | vivid | * |
Unbound | Ubuntu | wily | * |
Unbound | Ubuntu | xenial | * |
Unbound | Ubuntu | yakkety | * |
Unbound | Ubuntu | zesty | * |
Red Hat Enterprise Linux 7 | RedHat | unbound-0:1.4.20-26.el7 | * |