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CVE-2021-25215

An assertion check can fail while answering queries for DNAME records that require the DNAME to be processed to resolve itself PUBLISHED

Description (CNA)

In BIND 9.0.0 -> 9.11.29, 9.12.0 -> 9.16.13, and versions BIND 9.9.3-S1 -> 9.11.29-S1 and 9.16.8-S1 -> 9.16.13-S1 of BIND Supported Preview Edition, as well as release versions 9.17.0 -> 9.17.11 of the BIND 9.17 development branch, when a vulnerable version of named receives a query for a record triggering the flaw described above, the named process will terminate due to a failed assertion check. The vulnerability affects all currently maintained BIND 9 branches (9.11, 9.11-S, 9.16, 9.16-S, 9.17) as well as all other versions of BIND 9.

Affected (CNA)

Vendor / productVersions
ISC / BIND9affected Open Source Branches 9.0 through 9.11 9.0.0 through versions before 9.11.30; affected Open Source Branches 9.12 through 9.16 9.12.0 through versions before 9.16.14; affected Supported Preview Branches 9.9-S through 9.11-S 9.9.3-S1 through versions before 9.11.30-S1; affected Supported Preview Branch 9.16-S 9.16.8-S1 through versions before 9.16.14-S1; affected Development Branch 9.17 9.17.0 through versiosn before 9.17.12

CWE

No CWE identifiers supplied.

References

ADP enrichment

CVE

No English description supplied.