CVE catalog

CVE-2019-6476

bind9: CVE-2019-6476

Severity: Medium · CVSS 5.9CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Published: Oct 17, 2019, 8:15:12 PM UTC
Source: [NVD] · [CVE record]
EPSS: 2.91% · Oct 25, 2026

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.

Vulnerable and fixed packages

Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.

Distribution	Package	Release	Version	Status
Debian	bind9	sid	`1:9.20.30-1`	not affected
Debian	bind9	forky	`1:9.20.30-1`	not affected
Debian	bind9	trixie	`1:9.20.26-1~deb13u1`	not affected
Debian	bind9	trixie-security	`1:9.20.30-1~deb13u1`	not affected
Debian	bind9	bookworm	`1:9.18.49-1~deb12u1`	not affected
Debian	bind9	bookworm-security	`1:9.18.49-1~deb12u3`	not affected
Alpine	bind	3.10	`9.14.7-r0`	fixed
Alpine	bind	3.11	`9.14.7-r0`	fixed
Alpine	bind	3.12	`9.14.7-r0`	fixed
Alpine	bind	3.13	`9.14.7-r0`	fixed
Alpine	bind	3.14	`9.14.7-r0`	fixed
Alpine	bind	3.15	`9.14.7-r0`	fixed
Alpine	bind	3.16	`9.14.7-r0`	fixed
Alpine	bind	3.17	`9.14.7-r0`	fixed
Alpine	bind	3.18	`9.14.7-r0`	fixed
Alpine	bind	3.19	`9.14.7-r0`	fixed
Alpine	bind	3.20	`9.14.7-r0`	fixed
Alpine	bind	3.21	`9.14.7-r0`	fixed
Alpine	bind	3.22	`9.14.7-r0`	fixed
Alpine	bind	3.23	`9.14.7-r0`	fixed
Alpine	bind	3.24	`9.14.7-r0`	fixed

Fixed-version evidence

Distribution	Package	Type	Release	Fixed version	Urgency	Origin	Bugs
Debian	bind9	source	sid	`Not affected`	unimportant	Not reported	Not reported
Debian	bind9	source	forky	`Not affected`	unimportant	Not reported	Not reported
Debian	bind9	source	trixie	`Not affected`	unimportant	Not reported	Not reported
Debian	bind9	source	bookworm	`Not affected`	unimportant	Not reported	Not reported
Alpine	bind	apk	3.10	`9.14.7-r0`	Not reported	ALPINE-CVE-2019-6476	Not reported
Alpine	bind	apk	3.11	`9.14.7-r0`	Not reported	ALPINE-CVE-2019-6476	Not reported
Alpine	bind	apk	3.12	`9.14.7-r0`	Not reported	ALPINE-CVE-2019-6476	Not reported
Alpine	bind	apk	3.13	`9.14.7-r0`	Not reported	ALPINE-CVE-2019-6476	Not reported
Alpine	bind	apk	3.14	`9.14.7-r0`	Not reported	ALPINE-CVE-2019-6476	Not reported
Alpine	bind	apk	3.15	`9.14.7-r0`	Not reported	ALPINE-CVE-2019-6476	Not reported
Alpine	bind	apk	3.16	`9.14.7-r0`	Not reported	ALPINE-CVE-2019-6476	Not reported
Alpine	bind	apk	3.17	`9.14.7-r0`	Not reported	ALPINE-CVE-2019-6476	Not reported
Alpine	bind	apk	3.18	`9.14.7-r0`	Not reported	ALPINE-CVE-2019-6476	Not reported
Alpine	bind	apk	3.19	`9.14.7-r0`	Not reported	ALPINE-CVE-2019-6476	Not reported
Alpine	bind	apk	3.20	`9.14.7-r0`	Not reported	ALPINE-CVE-2019-6476	Not reported
Alpine	bind	apk	3.21	`9.14.7-r0`	Not reported	ALPINE-CVE-2019-6476	Not reported
Alpine	bind	apk	3.22	`9.14.7-r0`	Not reported	ALPINE-CVE-2019-6476	Not reported
Alpine	bind	apk	3.23	`9.14.7-r0`	Not reported	ALPINE-CVE-2019-6476	Not reported
Alpine	bind	apk	3.24	`9.14.7-r0`	Not reported	ALPINE-CVE-2019-6476	Not reported

OpenFactory catalog packages

Matching against OpenFactory catalog package versions is in progress.

[Debian 12 (Bookworm)]

[bind9]Unknown
Details (6)
- 1:9.18.49-1~deb12u1 · amd64 · bookworm
  Not affected
  dsa · bind9 · debian · bookworm
- 1:9.18.49-1~deb12u1 · arm64 · bookworm
  Not affected
  dsa · bind9 · debian · bookworm
- 1:9.20.23-1~deb13u1~bpo12+1 · amd64 · bookworm-backports
  Not affected
  dsa · bind9 · debian · bookworm
- 1:9.20.23-1~deb13u1~bpo12+1 · arm64 · bookworm-backports
  Not affected
  dsa · bind9 · debian · bookworm
- 1:9.18.49-1~deb12u2 · amd64 · bookworm-security
  Not affected
  dsa · bind9 · debian · bookworm
- 1:9.18.49-1~deb12u2 · arm64 · bookworm-security
  Not affected
  dsa · bind9 · debian · bookworm
[bind9-dev]Unknown
Source package: [bind9]
Details (6)
- 1:9.18.49-1~deb12u1 · amd64 · bookworm
  Not affected
  dsa · bind9 · debian · bookworm
- 1:9.18.49-1~deb12u1 · arm64 · bookworm
  Not affected
  dsa · bind9 · debian · bookworm
- 1:9.20.23-1~deb13u1~bpo12+1 · amd64 · bookworm-backports
  Not affected
  dsa · bind9 · debian · bookworm
- 1:9.20.23-1~deb13u1~bpo12+1 · arm64 · bookworm-backports
  Not affected
  dsa · bind9 · debian · bookworm
- 1:9.18.49-1~deb12u2 · amd64 · bookworm-security
  Not affected
  dsa · bind9 · debian · bookworm
- 1:9.18.49-1~deb12u2 · arm64 · bookworm-security
  Not affected
  dsa · bind9 · debian · bookworm
[bind9-dnsutils]Unknown
Source package: [bind9]
Details (6)
- 1:9.18.49-1~deb12u1 · amd64 · bookworm
  Not affected
  dsa · bind9 · debian · bookworm
- 1:9.18.49-1~deb12u1 · arm64 · bookworm
  Not affected
  dsa · bind9 · debian · bookworm
- 1:9.20.23-1~deb13u1~bpo12+1 · amd64 · bookworm-backports
  Not affected
  dsa · bind9 · debian · bookworm
- 1:9.20.23-1~deb13u1~bpo12+1 · arm64 · bookworm-backports
  Not affected
  dsa · bind9 · debian · bookworm
- 1:9.18.49-1~deb12u2 · amd64 · bookworm-security
  Not affected
  dsa · bind9 · debian · bookworm
- 1:9.18.49-1~deb12u2 · arm64 · bookworm-security
  Not affected
  dsa · bind9 · debian · bookworm
[bind9-doc]Unknown
Source package: [bind9]
Details (6)
- 1:9.18.49-1~deb12u1 · all · bookworm
  Not affected
  dsa · bind9 · debian · bookworm
- 1:9.18.49-1~deb12u1 · all · bookworm
  Not affected
  dsa · bind9 · debian · bookworm
- 1:9.20.23-1~deb13u1~bpo12+1 · all · bookworm-backports
  Not affected
  dsa · bind9 · debian · bookworm
- 1:9.20.23-1~deb13u1~bpo12+1 · all · bookworm-backports
  Not affected
  dsa · bind9 · debian · bookworm
- 1:9.18.49-1~deb12u2 · all · bookworm-security
  Not affected
  dsa · bind9 · debian · bookworm
- 1:9.18.49-1~deb12u2 · all · bookworm-security
  Not affected
  dsa · bind9 · debian · bookworm
[bind9-host]Unknown
Source package: [bind9]
Details (6)
- 1:9.18.49-1~deb12u1 · amd64 · bookworm
  Not affected
  dsa · bind9 · debian · bookworm
- 1:9.18.49-1~deb12u1 · arm64 · bookworm
  Not affected
  dsa · bind9 · debian · bookworm
- 1:9.20.23-1~deb13u1~bpo12+1 · amd64 · bookworm-backports
  Not affected
  dsa · bind9 · debian · bookworm
- 1:9.20.23-1~deb13u1~bpo12+1 · arm64 · bookworm-backports
  Not affected
  dsa · bind9 · debian · bookworm
- 1:9.18.49-1~deb12u2 · amd64 · bookworm-security
  Not affected
  dsa · bind9 · debian · bookworm
- 1:9.18.49-1~deb12u2 · arm64 · bookworm-security
  Not affected
  dsa · bind9 · debian · bookworm
[bind9-libs]Unknown
Source package: [bind9]
Details (6)
- 1:9.18.49-1~deb12u1 · amd64 · bookworm
  Not affected
  dsa · bind9 · debian · bookworm
- 1:9.18.49-1~deb12u1 · arm64 · bookworm
  Not affected
  dsa · bind9 · debian · bookworm
- 1:9.20.23-1~deb13u1~bpo12+1 · amd64 · bookworm-backports
  Not affected
  dsa · bind9 · debian · bookworm
- 1:9.20.23-1~deb13u1~bpo12+1 · arm64 · bookworm-backports
  Not affected
  dsa · bind9 · debian · bookworm
- 1:9.18.49-1~deb12u2 · amd64 · bookworm-security
  Not affected
  dsa · bind9 · debian · bookworm
- 1:9.18.49-1~deb12u2 · arm64 · bookworm-security
  Not affected
  dsa · bind9 · debian · bookworm
[bind9-utils]Unknown
Source package: [bind9]
Details (6)
- 1:9.18.49-1~deb12u1 · amd64 · bookworm
  Not affected
  dsa · bind9 · debian · bookworm
- 1:9.18.49-1~deb12u1 · arm64 · bookworm
  Not affected
  dsa · bind9 · debian · bookworm
- 1:9.20.23-1~deb13u1~bpo12+1 · amd64 · bookworm-backports
  Not affected
  dsa · bind9 · debian · bookworm
- 1:9.20.23-1~deb13u1~bpo12+1 · arm64 · bookworm-backports
  Not affected
  dsa · bind9 · debian · bookworm
- 1:9.18.49-1~deb12u2 · amd64 · bookworm-security
  Not affected
  dsa · bind9 · debian · bookworm
- 1:9.18.49-1~deb12u2 · arm64 · bookworm-security
  Not affected
  dsa · bind9 · debian · bookworm
[bind9utils]Unknown
Source package: [bind9]
Details (4)
- 1:9.18.49-1~deb12u1 · all · bookworm
  Not affected
  dsa · bind9 · debian · bookworm
- 1:9.18.49-1~deb12u1 · all · bookworm
  Not affected
  dsa · bind9 · debian · bookworm
- 1:9.18.49-1~deb12u2 · all · bookworm-security
  Not affected
  dsa · bind9 · debian · bookworm
- 1:9.18.49-1~deb12u2 · all · bookworm-security
  Not affected
  dsa · bind9 · debian · bookworm
[dnsutils]Unknown
Source package: [bind9]
Details (4)
- 1:9.18.49-1~deb12u1 · all · bookworm
  Not affected
  dsa · bind9 · debian · bookworm
- 1:9.18.49-1~deb12u1 · all · bookworm
  Not affected
  dsa · bind9 · debian · bookworm
- 1:9.18.49-1~deb12u2 · all · bookworm-security
  Not affected
  dsa · bind9 · debian · bookworm
- 1:9.18.49-1~deb12u2 · all · bookworm-security
  Not affected
  dsa · bind9 · debian · bookworm

Observed: Oct 23, 2026, 5:44:53 PM UTC

References

[Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [SUSE security advisories and VEX]