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.
2014-12-11T02:59:03.233
2025-04-12T10:46:40.837
Deferred
CVSSv2: 4.3 (MEDIUM)
AV:N/AC:M/Au:N/C:N/I:N/A:P
8.6
2.9
Type | Vendor | Product | Version/Range | Vulnerable? |
---|---|---|---|---|
Application | nlnetlabs | unbound | ≤ 1.5.0 | Yes |
Operating System | canonical | ubuntu_linux | 14.04 | Yes |
Operating System | canonical | ubuntu_linux | 14.10 | Yes |
Operating System | debian | debian_linux | 7.0 | Yes |