CVE-2021-25215

HIGH

BIND <9.11.30-9.17.12 - DoS

Title source: llm

Description

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.

Scores

CVSS v3 7.5
EPSS 0.0105
EPSS Percentile 77.2%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Classification

CWE
CWE-617
Status published

Affected Products (37)

debian/debian_linux
debian/debian_linux
isc/bind < 9.11.31
isc/bind
isc/bind
isc/bind
isc/bind
isc/bind
isc/bind
isc/bind
isc/bind
isc/bind
isc/bind
isc/bind
isc/bind
... and 22 more

Timeline

Published Apr 29, 2021
Tracked Since Feb 18, 2026