CVE-2019-6476

medium

Published — · Modified —

CVSS v3

—

CVSS v2

—

VIR risk

5.5

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.

Predictions

Exploit likelihood

20%

Patch ETA

—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2019-6476.html

vendor Authored 2026-05-27

Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2019-6476

OS impact

OS	Version	Status	Fixed in
debian	bookworm	fixed	`0`
debian	bullseye	fixed	`0`
debian	forky	fixed	`0`
debian	sid	fixed	`0`
debian	trixie	fixed	`0`
arch		fixed	`9.14.7-1`
sles		affected

References

https://security-tracker.debian.org/tracker/CVE-2019-6476
https://www.suse.com/security/cve/CVE-2019-6476.html

Verify integrity in audit chain (admin only). AS-IS.