CVE catalog

CVE-2022-38178

By spoofing the target resolver with responses that have a malformed EdDSA signature, an attacker can trigger a small memory leak. It is possible to gradually erode available memory to the point where

[CVE catalog]

Severity: High · CVSS 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Published: Sep 20, 2022, 10:00:00 PM UTC
Updated: Sep 1, 2026, 7:44:42 PM UTC
Source: [NVD] · [CVE record]
EPSS: 3.11% · Oct 25, 2026

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`	fixed
Debian	bind9	forky	`1:9.20.30-1`	fixed
Debian	bind9	trixie	`1:9.20.26-1~deb13u1`	fixed
Debian	bind9	trixie-security	`1:9.20.30-1~deb13u1`	fixed
Debian	bind9	bookworm	`1:9.18.49-1~deb12u1`	fixed
Debian	bind9	bookworm-security	`1:9.18.49-1~deb12u3`	fixed
Cpe	bind	Not reported	Not reported	unknown
Cpe	bind	Not reported	Not reported	unknown
Cpe	bind	Not reported	Not reported	unknown
Cpe	bind	Not reported	Not reported	unknown
Cpe	bind	Not reported	Not reported	unknown
Cpe	bind	Not reported	Not reported	unknown
Cpe	bind	Not reported	Not reported	unknown
Cpe	bind	Not reported	Not reported	unknown
Cpe	bind	Not reported	Not reported	unknown
Cpe	bind	Not reported	Not reported	unknown
Cpe	bind	Not reported	Not reported	unknown
Cpe	bind	Not reported	Not reported	unknown
Cpe	bind	Not reported	Not reported	unknown
Cpe	bind	Not reported	Not reported	unknown
Cpe	bind	Not reported	Not reported	unknown
Cpe	bind	Not reported	Not reported	unknown
Cpe	bind	Not reported	Not reported	unknown
Cpe	bind	Not reported	Not reported	unknown
Cpe	bind	Not reported	Not reported	unknown
Cpe	bind	Not reported	Not reported	unknown
Ubuntu	bind9	18.04	`1:9.10.3.dfsg.P4-12.6ubuntu1`	vulnerable
Ubuntu	bind9	18.04	`1:9.11.2.P1-1ubuntu2`	vulnerable
Ubuntu	bind9	18.04	`1:9.11.2.P1-1ubuntu3`	vulnerable
Ubuntu	bind9	18.04	`1:9.11.2.P1-1ubuntu4`	vulnerable
Ubuntu	bind9	18.04	`1:9.11.2.P1-1ubuntu5`	vulnerable
Ubuntu	bind9	18.04	`1:9.11.3+dfsg-1ubuntu1`	vulnerable
Ubuntu	bind9	18.04	`1:9.11.3+dfsg-1ubuntu1.1`	vulnerable
Ubuntu	bind9	18.04	`1:9.11.3+dfsg-1ubuntu1.2`	vulnerable
Ubuntu	bind9	18.04	`1:9.11.3+dfsg-1ubuntu1.3`	vulnerable
Ubuntu	bind9	18.04	`1:9.11.3+dfsg-1ubuntu1.5`	vulnerable
Ubuntu	bind9	18.04	`1:9.11.3+dfsg-1ubuntu1.7`	vulnerable
Ubuntu	bind9	18.04	`1:9.11.3+dfsg-1ubuntu1.8`	vulnerable
Ubuntu	bind9	18.04	`1:9.11.3+dfsg-1ubuntu1.9`	vulnerable
Ubuntu	bind9	18.04	`1:9.11.3+dfsg-1ubuntu1.10`	vulnerable
Ubuntu	bind9	18.04	`1:9.11.3+dfsg-1ubuntu1.11`	vulnerable
Ubuntu	bind9	18.04	`1:9.11.3+dfsg-1ubuntu1.12`	vulnerable
Ubuntu	bind9	18.04	`1:9.11.3+dfsg-1ubuntu1.13`	vulnerable
Ubuntu	bind9	18.04	`1:9.11.3+dfsg-1ubuntu1.14`	vulnerable
Ubuntu	bind9	18.04	`1:9.11.3+dfsg-1ubuntu1.15`	vulnerable
Ubuntu	bind9	18.04	`1:9.11.3+dfsg-1ubuntu1.16`	vulnerable
Ubuntu	bind9	18.04	`1:9.11.3+dfsg-1ubuntu1.17`	vulnerable
Ubuntu	bind9	18.04	`1:9.11.3+dfsg-1ubuntu1.18`	fixed
Ubuntu	bind9	20.04	`1:9.11.5.P4+dfsg-5.1ubuntu2`	vulnerable
Ubuntu	bind9	20.04	`1:9.11.5.P4+dfsg-5.1ubuntu3`	vulnerable
Ubuntu	bind9	20.04	`1:9.11.5.P4+dfsg-5.1ubuntu4`	vulnerable
Ubuntu	bind9	20.04	`1:9.11.5.P4+dfsg-5.1ubuntu5`	vulnerable
Ubuntu	bind9	20.04	`1:9.11.14+dfsg-1ubuntu1`	vulnerable
Ubuntu	bind9	20.04	`1:9.11.14+dfsg-3ubuntu1`	vulnerable
Ubuntu	bind9	20.04	`1:9.16.0-1ubuntu3`	vulnerable
Ubuntu	bind9	20.04	`1:9.16.0-1ubuntu4`	vulnerable
Ubuntu	bind9	20.04	`1:9.16.0-1ubuntu5`	vulnerable
Ubuntu	bind9	20.04	`1:9.16.1-0ubuntu1`	vulnerable
Ubuntu	bind9	20.04	`1:9.16.1-0ubuntu2`	vulnerable
Ubuntu	bind9	20.04	`1:9.16.1-0ubuntu2.1`	vulnerable
Ubuntu	bind9	20.04	`1:9.16.1-0ubuntu2.2`	vulnerable
Ubuntu	bind9	20.04	`1:9.16.1-0ubuntu2.3`	vulnerable
Ubuntu	bind9	20.04	`1:9.16.1-0ubuntu2.4`	vulnerable
Ubuntu	bind9	20.04	`1:9.16.1-0ubuntu2.6`	vulnerable
Ubuntu	bind9	20.04	`1:9.16.1-0ubuntu2.7`	vulnerable
Ubuntu	bind9	20.04	`1:9.16.1-0ubuntu2.8`	vulnerable
Ubuntu	bind9	20.04	`1:9.16.1-0ubuntu2.9`	vulnerable
Ubuntu	bind9	20.04	`1:9.16.1-0ubuntu2.10`	vulnerable
Ubuntu	bind9	20.04	`1:9.16.1-0ubuntu2.11`	fixed
Ubuntu	bind9	22.04	`1:9.16.15-1ubuntu1`	vulnerable
Ubuntu	bind9	22.04	`1:9.16.15-1ubuntu2`	vulnerable
Ubuntu	bind9	22.04	`1:9.16.15-1ubuntu3`	vulnerable
Ubuntu	bind9	22.04	`1:9.18.0-2ubuntu1`	vulnerable
Ubuntu	bind9	22.04	`1:9.18.0-2ubuntu2`	vulnerable
Ubuntu	bind9	22.04	`1:9.18.0-2ubuntu3`	vulnerable
Ubuntu	bind9	22.04	`1:9.18.1-1ubuntu1`	vulnerable
Ubuntu	bind9	22.04	`1:9.18.1-1ubuntu1.1`	vulnerable
Ubuntu	bind9	22.04	`1:9.18.1-1ubuntu1.2`	fixed

Fixed-version evidence

Distribution	Package	Type	Release	Fixed version	Urgency	Origin	Bugs
Debian	bind9	source	sid	`1:9.18.7-1`	not yet assigned	Not reported	Not reported
Debian	bind9	source	forky	`1:9.18.7-1`	not yet assigned	Not reported	Not reported
Debian	bind9	source	trixie	`1:9.18.7-1`	not yet assigned	Not reported	Not reported
Debian	bind9	source	bookworm	`1:9.18.7-1`	not yet assigned	Not reported	Not reported
Ubuntu	bind9	deb	18.04	`1:9.11.3+dfsg-1ubuntu1.18`	Not reported	UBUNTU-CVE-2022-38178	Not reported
Ubuntu	bind9	deb	20.04	`1:9.16.1-0ubuntu2.11`	Not reported	UBUNTU-CVE-2022-38178	Not reported
Ubuntu	bind9	deb	22.04	`1:9.18.1-1ubuntu1.2`	Not reported	UBUNTU-CVE-2022-38178	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
  Fixed · Fixed: 1:9.18.7-1
  nvd · bind9 · debian · bookworm
- 1:9.18.49-1~deb12u1 · arm64 · bookworm
  Fixed · Fixed: 1:9.18.7-1
  nvd · bind9 · debian · bookworm
- 1:9.20.23-1~deb13u1~bpo12+1 · amd64 · bookworm-backports
  Fixed · Fixed: 1:9.18.7-1
  nvd · bind9 · debian · bookworm
- 1:9.20.23-1~deb13u1~bpo12+1 · arm64 · bookworm-backports
  Fixed · Fixed: 1:9.18.7-1
  nvd · bind9 · debian · bookworm
- 1:9.18.49-1~deb12u2 · amd64 · bookworm-security
  Fixed · Fixed: 1:9.18.7-1
  nvd · bind9 · debian · bookworm
- 1:9.18.49-1~deb12u2 · arm64 · bookworm-security
  Fixed · Fixed: 1:9.18.7-1
  nvd · bind9 · debian · bookworm
[bind9-dev]Unknown
Source package: [bind9]
Details (6)
- 1:9.18.49-1~deb12u1 · amd64 · bookworm
  Fixed · Fixed: 1:9.18.7-1
  nvd · bind9 · debian · bookworm
- 1:9.18.49-1~deb12u1 · arm64 · bookworm
  Fixed · Fixed: 1:9.18.7-1
  nvd · bind9 · debian · bookworm
- 1:9.20.23-1~deb13u1~bpo12+1 · amd64 · bookworm-backports
  Fixed · Fixed: 1:9.18.7-1
  nvd · bind9 · debian · bookworm
- 1:9.20.23-1~deb13u1~bpo12+1 · arm64 · bookworm-backports
  Fixed · Fixed: 1:9.18.7-1
  nvd · bind9 · debian · bookworm
- 1:9.18.49-1~deb12u2 · amd64 · bookworm-security
  Fixed · Fixed: 1:9.18.7-1
  nvd · bind9 · debian · bookworm
- 1:9.18.49-1~deb12u2 · arm64 · bookworm-security
  Fixed · Fixed: 1:9.18.7-1
  nvd · bind9 · debian · bookworm
[bind9-dnsutils]Unknown
Source package: [bind9]
Details (6)
- 1:9.18.49-1~deb12u1 · amd64 · bookworm
  Fixed · Fixed: 1:9.18.7-1
  nvd · bind9 · debian · bookworm
- 1:9.18.49-1~deb12u1 · arm64 · bookworm
  Fixed · Fixed: 1:9.18.7-1
  nvd · bind9 · debian · bookworm
- 1:9.20.23-1~deb13u1~bpo12+1 · amd64 · bookworm-backports
  Fixed · Fixed: 1:9.18.7-1
  nvd · bind9 · debian · bookworm
- 1:9.20.23-1~deb13u1~bpo12+1 · arm64 · bookworm-backports
  Fixed · Fixed: 1:9.18.7-1
  nvd · bind9 · debian · bookworm
- 1:9.18.49-1~deb12u2 · amd64 · bookworm-security
  Fixed · Fixed: 1:9.18.7-1
  nvd · bind9 · debian · bookworm
- 1:9.18.49-1~deb12u2 · arm64 · bookworm-security
  Fixed · Fixed: 1:9.18.7-1
  nvd · bind9 · debian · bookworm
[bind9-doc]Unknown
Source package: [bind9]
Details (6)
- 1:9.18.49-1~deb12u1 · all · bookworm
  Fixed · Fixed: 1:9.18.7-1
  nvd · bind9 · debian · bookworm
- 1:9.18.49-1~deb12u1 · all · bookworm
  Fixed · Fixed: 1:9.18.7-1
  nvd · bind9 · debian · bookworm
- 1:9.20.23-1~deb13u1~bpo12+1 · all · bookworm-backports
  Fixed · Fixed: 1:9.18.7-1
  nvd · bind9 · debian · bookworm
- 1:9.20.23-1~deb13u1~bpo12+1 · all · bookworm-backports
  Fixed · Fixed: 1:9.18.7-1
  nvd · bind9 · debian · bookworm
- 1:9.18.49-1~deb12u2 · all · bookworm-security
  Fixed · Fixed: 1:9.18.7-1
  nvd · bind9 · debian · bookworm
- 1:9.18.49-1~deb12u2 · all · bookworm-security
  Fixed · Fixed: 1:9.18.7-1
  nvd · bind9 · debian · bookworm
[bind9-host]Unknown
Source package: [bind9]
Details (6)
- 1:9.18.49-1~deb12u1 · amd64 · bookworm
  Fixed · Fixed: 1:9.18.7-1
  nvd · bind9 · debian · bookworm
- 1:9.18.49-1~deb12u1 · arm64 · bookworm
  Fixed · Fixed: 1:9.18.7-1
  nvd · bind9 · debian · bookworm
- 1:9.20.23-1~deb13u1~bpo12+1 · amd64 · bookworm-backports
  Fixed · Fixed: 1:9.18.7-1
  nvd · bind9 · debian · bookworm
- 1:9.20.23-1~deb13u1~bpo12+1 · arm64 · bookworm-backports
  Fixed · Fixed: 1:9.18.7-1
  nvd · bind9 · debian · bookworm
- 1:9.18.49-1~deb12u2 · amd64 · bookworm-security
  Fixed · Fixed: 1:9.18.7-1
  nvd · bind9 · debian · bookworm
- 1:9.18.49-1~deb12u2 · arm64 · bookworm-security
  Fixed · Fixed: 1:9.18.7-1
  nvd · bind9 · debian · bookworm
[bind9-libs]Unknown
Source package: [bind9]
Details (6)
- 1:9.18.49-1~deb12u1 · amd64 · bookworm
  Fixed · Fixed: 1:9.18.7-1
  nvd · bind9 · debian · bookworm
- 1:9.18.49-1~deb12u1 · arm64 · bookworm
  Fixed · Fixed: 1:9.18.7-1
  nvd · bind9 · debian · bookworm
- 1:9.20.23-1~deb13u1~bpo12+1 · amd64 · bookworm-backports
  Fixed · Fixed: 1:9.18.7-1
  nvd · bind9 · debian · bookworm
- 1:9.20.23-1~deb13u1~bpo12+1 · arm64 · bookworm-backports
  Fixed · Fixed: 1:9.18.7-1
  nvd · bind9 · debian · bookworm
- 1:9.18.49-1~deb12u2 · amd64 · bookworm-security
  Fixed · Fixed: 1:9.18.7-1
  nvd · bind9 · debian · bookworm
- 1:9.18.49-1~deb12u2 · arm64 · bookworm-security
  Fixed · Fixed: 1:9.18.7-1
  nvd · bind9 · debian · bookworm
[bind9-utils]Unknown
Source package: [bind9]
Details (6)
- 1:9.18.49-1~deb12u1 · amd64 · bookworm
  Fixed · Fixed: 1:9.18.7-1
  nvd · bind9 · debian · bookworm
- 1:9.18.49-1~deb12u1 · arm64 · bookworm
  Fixed · Fixed: 1:9.18.7-1
  nvd · bind9 · debian · bookworm
- 1:9.20.23-1~deb13u1~bpo12+1 · amd64 · bookworm-backports
  Fixed · Fixed: 1:9.18.7-1
  nvd · bind9 · debian · bookworm
- 1:9.20.23-1~deb13u1~bpo12+1 · arm64 · bookworm-backports
  Fixed · Fixed: 1:9.18.7-1
  nvd · bind9 · debian · bookworm
- 1:9.18.49-1~deb12u2 · amd64 · bookworm-security
  Fixed · Fixed: 1:9.18.7-1
  nvd · bind9 · debian · bookworm
- 1:9.18.49-1~deb12u2 · arm64 · bookworm-security
  Fixed · Fixed: 1:9.18.7-1
  nvd · bind9 · debian · bookworm
[bind9utils]Unknown
Source package: [bind9]
Details (4)
- 1:9.18.49-1~deb12u1 · all · bookworm
  Fixed · Fixed: 1:9.18.7-1
  nvd · bind9 · debian · bookworm
- 1:9.18.49-1~deb12u1 · all · bookworm
  Fixed · Fixed: 1:9.18.7-1
  nvd · bind9 · debian · bookworm
- 1:9.18.49-1~deb12u2 · all · bookworm-security
  Fixed · Fixed: 1:9.18.7-1
  nvd · bind9 · debian · bookworm
- 1:9.18.49-1~deb12u2 · all · bookworm-security
  Fixed · Fixed: 1:9.18.7-1
  nvd · bind9 · debian · bookworm
[dnsutils]Unknown
Source package: [bind9]
Details (4)
- 1:9.18.49-1~deb12u1 · all · bookworm
  Fixed · Fixed: 1:9.18.7-1
  nvd · bind9 · debian · bookworm
- 1:9.18.49-1~deb12u1 · all · bookworm
  Fixed · Fixed: 1:9.18.7-1
  nvd · bind9 · debian · bookworm
- 1:9.18.49-1~deb12u2 · all · bookworm-security
  Fixed · Fixed: 1:9.18.7-1
  nvd · bind9 · debian · bookworm
- 1:9.18.49-1~deb12u2 · all · bookworm-security
  Fixed · Fixed: 1:9.18.7-1
  nvd · bind9 · debian · bookworm

Observed: Oct 23, 2026, 6:29:04 PM UTC

References

[CERT-Bund public advisories] · [CISA cybersecurity advisories] · [Debian Security Tracker] · [FIRST EPSS] · [National Vulnerability Database (NVD)] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]