CVE catalog

CVE-2018-5742

bind9: CVE-2018-5742

Severity: Medium · CVSS 5.9CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Published: Jan 29, 2019, 12:00:00 AM UTC
Source: [NVD] · [CVE record]
EPSS: 1.57% · Oct 25, 2026

While backporting a feature for a newer branch of BIND9, RedHat introduced a path leading to an assertion failure in buffer.c:420. Affects RedHat versions bind-9.9.4-65.el7 -> bind-9.9.4-72.el7. No ISC releases are affected. Other packages from other distributions who made the same error may also be affected.

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

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

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, 5:37:22 PM UTC

References

[Debian Security Tracker] · [FIRST EPSS] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]