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HIGH

Improper fetch cleanup sequencing in the resolver can cause named to crash

Published Jan 16, 2019

Description

BIND was improperly sequencing cleanup operations on upstream recursion fetch contexts, leading in some cases to a use-after-free error that can trigger an assertion failure and crash in named. Affects BIND 9.0.0 to 9.8.x, 9.9.0 to 9.9.11, 9.10.0 to 9.10.6, 9.11.0 to 9.11.2, 9.9.3-S1 to 9.9.11-S1, 9.10.5-S1 to 9.10.6-S1, 9.12.0a1 to 9.12.0rc1.

Affected products

Remediation

Vendor solution

Upgrade to the patched release most closely related to your current version of BIND. These can all be downloaded from http://www.isc.org/downloads.

BIND 9 version 9.9.11-P1 BIND 9 version 9.10.6-P1 BIND 9 version 9.11.2-P1 BIND 9 version 9.12.0rc2

BIND Supported Preview Edition is a special feature preview branch of BIND provided to eligible ISC support customers.

BIND 9 version 9.9.11-S2 BIND 9 version 9.10.6-S2

Metrics

Weaknesses (1)

References (16)

Change history (0)

No recorded changes yet.

Sources
CVE.org / MITRE
Status PUBLISHED
Assigner isc
Published Jan 16, 2019
Updated Sep 17, 2024
Reserved Dec 2, 2016
NVD
Status Modified
Modified Jun 17, 2026
Red Hat
Severity Important
Public date Jan 16, 2018