SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2019-6476

A defect in code added to support QNAME minimization can cause named to exit with an assertion failure if a forwarder returns a referral rather than resolving the query.

HIGH 7.5EPSS 2.91%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (2.91%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

A defect in code added to support QNAME minimization can cause named to exit with an assertion failure if a forwarder returns a referral rather than resolving the query. This affects BIND versions 9.14.0 up to 9.14.6, and 9.15.0 up to 9.15.4.

CVSS 3.1
7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
2.91% probability · 86th percentile
CISA KEV
Not listed
Weakness
CWE-617
Affected
isc/bind
Source
security-officer@isc.org

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.