VULNERABILITY INTELLIGENCE
CVE-2018-5737
CVSS score5.9 MEDIUM
EPSS probability10.44%
CISA KEVNot currently listed
Published2019-01-16
Last modified2026-06-17
CVSS vectorCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Description
A problem with the implementation of the new serve-stale feature in BIND 9.12 can lead to an assertion failure in rbtdb.c, even when stale-answer-enable is off. Additionally, problematic interaction between the serve-stale feature and NSEC aggressive negative caching can in some cases cause undesirable behavior from named, such as a recursion loop or excessive logging. Deliberate exploitation of this condition could cause operational problems depending on the particular manifestation -- either degradation or denial of service. Affects BIND 9.12.0 and 9.12.1.
Weakness classification
- CWE-617: Reachable Assertion
Primary references
- security-officer@isc.org — Third Party Advisory, VDB Entry
- security-officer@isc.org — Third Party Advisory, VDB Entry
- security-officer@isc.org — Vendor Advisory
- security-officer@isc.org — Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory, VDB Entry
- af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory, VDB Entry
- af854a3a-2127-422b-91ae-364da2661108 — Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory