What is CVE-2019-6469?

CVE-2019-6469 is a high-severity vulnerability in Isc Bind, classified under Reachable Assertion. CVSS score: 7.5/10. Published 2019-10-09.

How severe is CVE-2019-6469?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Isc Bind

CVE-2019-6469

An error in the EDNS Client Subnet (ECS) feature for recursive resolvers can cause BIND to exit with an assertion failure when processing a response that has malformed RRSIGs. Versions affected: BIND 9.10.5-S1 -> 9.11.6-S1 of BIND 9 Supported Preview Edition.

EPSS: 0.020 (78.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Isc Bind — versions 9.10.5, 9.11.6
Isc Bind 9 Supported Preview Edition — versions BIND 9.10.5-S1 -> 9.11.6-S1 of BIND 9 Supported Preview Edition.

Weakness classification (CWE)

CWE-617 — Reachable Assertion

References

security-officer@isc.org (x_refsource_CONFIRM, Third Party Advisory)
security-officer@isc.org (x_refsource_CONFIRM)

Frequently asked questions

What is CVE-2019-6469?: CVE-2019-6469 is a high-severity vulnerability in Isc Bind, classified under Reachable Assertion. CVSS score: 7.5/10. Published 2019-10-09.
How severe is CVE-2019-6469?: High severity. CVSS v3 base score is 7.5 out of 10.