CVE-2018-5737

HighCVSS 7.5/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.0 7.5/10CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-617

Affected software

Vendor	Product	Versions
ISC	BIND 9	9.12.0 and 9.12.1

References

http://www.securityfocus.com/bid/104236Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1040942Third Party Advisory, VDB Entry
https://kb.isc.org/docs/aa-01606Vendor Advisory
https://security.netapp.com/advisory/ntap-20180926-0004/Third Party Advisory
http://www.securityfocus.com/bid/104236Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1040942Third Party Advisory, VDB Entry
https://kb.isc.org/docs/aa-01606Vendor Advisory
https://security.netapp.com/advisory/ntap-20180926-0004/Third Party Advisory

Timeline

Published: Jan 16, 2019
Last modified: Jun 17, 2026
NVD status: Modified

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