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An error in zone database reference counting can lead to an assertion failure if a server which is running an affected version of BIND attempts several transfers of a slave zone in quick succession. This defect could be deliberately exercised by an attacker who is permitted to cause a vulnerable server to initiate zone transfers (for example: by sending valid NOTIFY messages), causing the named process to exit after failing the assertion test. Affects BIND 9.12.0 and 9.12.1.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | — | Upgrade bind | Jan 16, 2019 | Jan 16, 2019 |
| Arch Linux | — | Upgrade to the latest version of Arch Linux | Jul 11, 2025 | Jan 16, 2019 |
| Dns Bind | — | Upgrade ISC BIND to latest version | May 23, 2018 | May 23, 2018 |
| Freebsd | — | Upgrade bind912 | May 22, 2018 | May 21, 2018 |
| Suse | — | Upgrade bind-chrootenvUpgrade libisccc1600Upgrade libisccfg1600Upgrade bind-docUpgrade bindUpgrade libdns1605Upgrade bind-utilsUpgrade libbind9-1600Upgrade bind-develUpgrade libirs-develUpgrade libirs1601Upgrade libns1604Upgrade libisc1606Upgrade python3-bind | Feb 4, 2022 | May 18, 2018 |
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