CVE-2019-6471
5.9
MEDIUM
CVSS 3.1
EPSS 1.4%
Description
A race condition which may occur when discarding malformed packets can result in BIND exiting due to a REQUIRE assertion failure in dispatch.c. Versions affected: BIND 9.11.0 -> 9.11.7, 9.12.0 -> 9.12.4-P1, 9.14.0 -> 9.14.2. Also all releases of the BIND 9.13 development branch and version 9.15.0 of the BIND 9.15 development branch and BIND Supported Preview Edition versions 9.11.3-S1 -> 9.11.7-S1.
How to fix CVE-2019-6471
To remediate CVE-2019-6471, upgrade the affected package to a fixed version below.
- —upgrade to 9.14.3-r0 or later
- —upgrade to 1:9.11.5.P4+dfsg-5.1 or later
Is CVE-2019-6471 being exploited?
Low — EPSS is 1.4%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 9.14.3-r0
- from 0, < 1:9.11.5.P4+dfsg-5.1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.9 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H |