Vulnerability in Isc Bind
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. This affects BIND versions 9.14.0 up to 9.14.6, and 9.15.0 up to 9.15.4.
EPSS: 0.029 (85.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Isc Bind
- Isc Bind 9 — versions 9.14.0 up to 9.14.6, 9.15.0 up to 9.15.4
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security-officer@isc.org (x_refsource_CONFIRM, Third Party Advisory)
- security-officer@isc.org (x_refsource_CONFIRM)
- security-officer@isc.org (x_refsource_CONFIRM)
Frequently asked questions
- What is CVE-2019-6476?
- CVE-2019-6476 is a medium-severity vulnerability in Isc Bind, classified under Reachable Assertion. CVSS score: 5.9/10. Published 2019-10-17.
- How severe is CVE-2019-6476?
- Medium severity. CVSS v3 base score is 5.9 out of 10.
- Is CVE-2019-6476 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.