CVE catalog
CVE-2022-38177
By spoofing the target resolver with responses that have a malformed ECDSA signature, an attacker can trigger a small memory leak. It is possible to gradually erode available memory to the point where
- Severity
- High · CVSS 7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Published
- Updated
- Source
- [NVD] · [CVE record]
- EPSS
- 3.29% · Oct 25, 2026
By spoofing the target resolver with responses that have a malformed ECDSA signature, an attacker can trigger a small memory leak. It is possible to gradually erode available memory to the point where named crashes for lack of resources.
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 | pro | 1:9.9.5.dfsg-11ubuntu1 | vulnerable |
| Ubuntu | bind9 | pro | 1:9.9.5.dfsg-12 | vulnerable |
| Ubuntu | bind9 | pro | 1:9.9.5.dfsg-12.1 | vulnerable |
| Ubuntu | bind9 | pro | 1:9.9.5.dfsg-12.1ubuntu1 | vulnerable |
| Ubuntu | bind9 | pro | 1:9.10.3.dfsg.P2-4 | vulnerable |
| Ubuntu | bind9 | pro | 1:9.10.3.dfsg.P2-5 | vulnerable |
| Ubuntu | bind9 | pro | 1:9.10.3.dfsg.P4-3 | vulnerable |
| Ubuntu | bind9 | pro | 1:9.10.3.dfsg.P4-4 | vulnerable |
| Ubuntu | bind9 | pro | 1:9.10.3.dfsg.P4-5 | vulnerable |
| Ubuntu | bind9 | pro | 1:9.10.3.dfsg.P4-8 | vulnerable |
| Ubuntu | bind9 | pro | 1:9.10.3.dfsg.P4-8ubuntu1 | vulnerable |
| Ubuntu | bind9 | pro | 1:9.10.3.dfsg.P4-8ubuntu1.1 | vulnerable |
| Ubuntu | bind9 | pro | 1:9.10.3.dfsg.P4-8ubuntu1.2 | vulnerable |
| Ubuntu | bind9 | pro | 1:9.10.3.dfsg.P4-8ubuntu1.3 | vulnerable |
| Ubuntu | bind9 | pro | 1:9.10.3.dfsg.P4-8ubuntu1.4 | vulnerable |
| Ubuntu | bind9 | pro | 1:9.10.3.dfsg.P4-8ubuntu1.5 | vulnerable |
| Ubuntu | bind9 | pro | 1:9.10.3.dfsg.P4-8ubuntu1.6 | vulnerable |
| Ubuntu | bind9 | pro | 1:9.10.3.dfsg.P4-8ubuntu1.7 | vulnerable |
| Ubuntu | bind9 | pro | 1:9.10.3.dfsg.P4-8ubuntu1.8 | vulnerable |
| Ubuntu | bind9 | pro | 1:9.10.3.dfsg.P4-8ubuntu1.9 | vulnerable |
| Ubuntu | bind9 | pro | 1:9.10.3.dfsg.P4-8ubuntu1.10 | vulnerable |
| Ubuntu | bind9 | pro | 1:9.10.3.dfsg.P4-8ubuntu1.11 | vulnerable |
| Ubuntu | bind9 | pro | 1:9.10.3.dfsg.P4-8ubuntu1.12 | vulnerable |
| Ubuntu | bind9 | pro | 1:9.10.3.dfsg.P4-8ubuntu1.14 | vulnerable |
| Ubuntu | bind9 | pro | 1:9.10.3.dfsg.P4-8ubuntu1.15 | vulnerable |
| Ubuntu | bind9 | pro | 1:9.10.3.dfsg.P4-8ubuntu1.16 | vulnerable |
| Ubuntu | bind9 | pro | 1:9.10.3.dfsg.P4-8ubuntu1.17 | vulnerable |
| Ubuntu | bind9 | pro | 1:9.10.3.dfsg.P4-8ubuntu1.18 | vulnerable |
| Ubuntu | bind9 | pro | 1:9.10.3.dfsg.P4-8ubuntu1.19 | vulnerable |
| Ubuntu | bind9 | pro | 1:9.10.3.dfsg.P4-8ubuntu1.19+esm1 | vulnerable |
| Ubuntu | bind9 | pro | 1:9.10.3.dfsg.P4-8ubuntu1.19+esm2 | vulnerable |
| Ubuntu | bind9 | pro | 1:9.10.3.dfsg.P4-8ubuntu1.19+esm3 | fixed |
| 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 |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | bind9 | source | sid | 1:9.17.20-1 | not yet assigned | Not reported | Not reported |
| Debian | bind9 | source | forky | 1:9.17.20-1 | not yet assigned | Not reported | Not reported |
| Debian | bind9 | source | trixie | 1:9.17.20-1 | not yet assigned | Not reported | Not reported |
| Debian | bind9 | source | bookworm | 1:9.17.20-1 | not yet assigned | Not reported | Not reported |
| Ubuntu | bind9 | deb | pro | 1:9.10.3.dfsg.P4-8ubuntu1.19+esm3 | Not reported | UBUNTU-CVE-2022-38177 | Not reported |
| Ubuntu | bind9 | deb | 18.04 | 1:9.11.3+dfsg-1ubuntu1.18 | Not reported | UBUNTU-CVE-2022-38177 | Not reported |
| Ubuntu | bind9 | deb | 20.04 | 1:9.16.1-0ubuntu2.11 | Not reported | UBUNTU-CVE-2022-38177 | 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 · bookwormFixed · Fixed:
1:9.17.20-1nvd · bind9 · debian · bookworm
1:9.18.49-1~deb12u1· arm64 · bookwormFixed · Fixed:
1:9.17.20-1nvd · bind9 · debian · bookworm
1:9.20.23-1~deb13u1~bpo12+1· amd64 · bookworm-backportsFixed · Fixed:
1:9.17.20-1nvd · bind9 · debian · bookworm
1:9.20.23-1~deb13u1~bpo12+1· arm64 · bookworm-backportsFixed · Fixed:
1:9.17.20-1nvd · bind9 · debian · bookworm
1:9.18.49-1~deb12u2· amd64 · bookworm-securityFixed · Fixed:
1:9.17.20-1nvd · bind9 · debian · bookworm
1:9.18.49-1~deb12u2· arm64 · bookworm-securityFixed · Fixed:
1:9.17.20-1nvd · bind9 · debian · bookworm
- [bind9-dev]Unknown
Source package: [bind9]
Details (6)
1:9.18.49-1~deb12u1· amd64 · bookwormFixed · Fixed:
1:9.17.20-1nvd · bind9 · debian · bookworm
1:9.18.49-1~deb12u1· arm64 · bookwormFixed · Fixed:
1:9.17.20-1nvd · bind9 · debian · bookworm
1:9.20.23-1~deb13u1~bpo12+1· amd64 · bookworm-backportsFixed · Fixed:
1:9.17.20-1nvd · bind9 · debian · bookworm
1:9.20.23-1~deb13u1~bpo12+1· arm64 · bookworm-backportsFixed · Fixed:
1:9.17.20-1nvd · bind9 · debian · bookworm
1:9.18.49-1~deb12u2· amd64 · bookworm-securityFixed · Fixed:
1:9.17.20-1nvd · bind9 · debian · bookworm
1:9.18.49-1~deb12u2· arm64 · bookworm-securityFixed · Fixed:
1:9.17.20-1nvd · bind9 · debian · bookworm
- [bind9-dnsutils]Unknown
Source package: [bind9]
Details (6)
1:9.18.49-1~deb12u1· amd64 · bookwormFixed · Fixed:
1:9.17.20-1nvd · bind9 · debian · bookworm
1:9.18.49-1~deb12u1· arm64 · bookwormFixed · Fixed:
1:9.17.20-1nvd · bind9 · debian · bookworm
1:9.20.23-1~deb13u1~bpo12+1· amd64 · bookworm-backportsFixed · Fixed:
1:9.17.20-1nvd · bind9 · debian · bookworm
1:9.20.23-1~deb13u1~bpo12+1· arm64 · bookworm-backportsFixed · Fixed:
1:9.17.20-1nvd · bind9 · debian · bookworm
1:9.18.49-1~deb12u2· amd64 · bookworm-securityFixed · Fixed:
1:9.17.20-1nvd · bind9 · debian · bookworm
1:9.18.49-1~deb12u2· arm64 · bookworm-securityFixed · Fixed:
1:9.17.20-1nvd · bind9 · debian · bookworm
- [bind9-doc]Unknown
Source package: [bind9]
Details (6)
1:9.18.49-1~deb12u1· all · bookwormFixed · Fixed:
1:9.17.20-1nvd · bind9 · debian · bookworm
1:9.18.49-1~deb12u1· all · bookwormFixed · Fixed:
1:9.17.20-1nvd · bind9 · debian · bookworm
1:9.20.23-1~deb13u1~bpo12+1· all · bookworm-backportsFixed · Fixed:
1:9.17.20-1nvd · bind9 · debian · bookworm
1:9.20.23-1~deb13u1~bpo12+1· all · bookworm-backportsFixed · Fixed:
1:9.17.20-1nvd · bind9 · debian · bookworm
1:9.18.49-1~deb12u2· all · bookworm-securityFixed · Fixed:
1:9.17.20-1nvd · bind9 · debian · bookworm
1:9.18.49-1~deb12u2· all · bookworm-securityFixed · Fixed:
1:9.17.20-1nvd · bind9 · debian · bookworm
- [bind9-host]Unknown
Source package: [bind9]
Details (6)
1:9.18.49-1~deb12u1· amd64 · bookwormFixed · Fixed:
1:9.17.20-1nvd · bind9 · debian · bookworm
1:9.18.49-1~deb12u1· arm64 · bookwormFixed · Fixed:
1:9.17.20-1nvd · bind9 · debian · bookworm
1:9.20.23-1~deb13u1~bpo12+1· amd64 · bookworm-backportsFixed · Fixed:
1:9.17.20-1nvd · bind9 · debian · bookworm
1:9.20.23-1~deb13u1~bpo12+1· arm64 · bookworm-backportsFixed · Fixed:
1:9.17.20-1nvd · bind9 · debian · bookworm
1:9.18.49-1~deb12u2· amd64 · bookworm-securityFixed · Fixed:
1:9.17.20-1nvd · bind9 · debian · bookworm
1:9.18.49-1~deb12u2· arm64 · bookworm-securityFixed · Fixed:
1:9.17.20-1nvd · bind9 · debian · bookworm
- [bind9-libs]Unknown
Source package: [bind9]
Details (6)
1:9.18.49-1~deb12u1· amd64 · bookwormFixed · Fixed:
1:9.17.20-1nvd · bind9 · debian · bookworm
1:9.18.49-1~deb12u1· arm64 · bookwormFixed · Fixed:
1:9.17.20-1nvd · bind9 · debian · bookworm
1:9.20.23-1~deb13u1~bpo12+1· amd64 · bookworm-backportsFixed · Fixed:
1:9.17.20-1nvd · bind9 · debian · bookworm
1:9.20.23-1~deb13u1~bpo12+1· arm64 · bookworm-backportsFixed · Fixed:
1:9.17.20-1nvd · bind9 · debian · bookworm
1:9.18.49-1~deb12u2· amd64 · bookworm-securityFixed · Fixed:
1:9.17.20-1nvd · bind9 · debian · bookworm
1:9.18.49-1~deb12u2· arm64 · bookworm-securityFixed · Fixed:
1:9.17.20-1nvd · bind9 · debian · bookworm
- [bind9-utils]Unknown
Source package: [bind9]
Details (6)
1:9.18.49-1~deb12u1· amd64 · bookwormFixed · Fixed:
1:9.17.20-1nvd · bind9 · debian · bookworm
1:9.18.49-1~deb12u1· arm64 · bookwormFixed · Fixed:
1:9.17.20-1nvd · bind9 · debian · bookworm
1:9.20.23-1~deb13u1~bpo12+1· amd64 · bookworm-backportsFixed · Fixed:
1:9.17.20-1nvd · bind9 · debian · bookworm
1:9.20.23-1~deb13u1~bpo12+1· arm64 · bookworm-backportsFixed · Fixed:
1:9.17.20-1nvd · bind9 · debian · bookworm
1:9.18.49-1~deb12u2· amd64 · bookworm-securityFixed · Fixed:
1:9.17.20-1nvd · bind9 · debian · bookworm
1:9.18.49-1~deb12u2· arm64 · bookworm-securityFixed · Fixed:
1:9.17.20-1nvd · bind9 · debian · bookworm
- [bind9utils]Unknown
Source package: [bind9]
Details (4)
1:9.18.49-1~deb12u1· all · bookwormFixed · Fixed:
1:9.17.20-1nvd · bind9 · debian · bookworm
1:9.18.49-1~deb12u1· all · bookwormFixed · Fixed:
1:9.17.20-1nvd · bind9 · debian · bookworm
1:9.18.49-1~deb12u2· all · bookworm-securityFixed · Fixed:
1:9.17.20-1nvd · bind9 · debian · bookworm
1:9.18.49-1~deb12u2· all · bookworm-securityFixed · Fixed:
1:9.17.20-1nvd · bind9 · debian · bookworm
- [dnsutils]Unknown
Source package: [bind9]
Details (4)
1:9.18.49-1~deb12u1· all · bookwormFixed · Fixed:
1:9.17.20-1nvd · bind9 · debian · bookworm
1:9.18.49-1~deb12u1· all · bookwormFixed · Fixed:
1:9.17.20-1nvd · bind9 · debian · bookworm
1:9.18.49-1~deb12u2· all · bookworm-securityFixed · Fixed:
1:9.17.20-1nvd · bind9 · debian · bookworm
1:9.18.49-1~deb12u2· all · bookworm-securityFixed · Fixed:
1:9.17.20-1nvd · bind9 · debian · bookworm
Observed:
References
- [https://access.redhat.com/errata/RHSA-2022:6763]
- [https://ftp.suse.com/pub/projects/security/csaf/rhsa-2022_6765.json]
- [https://nvd.nist.gov/vuln/detail/CVE-2022-38177]
- [https://osv.dev/vulnerability/UBUNTU-CVE-2022-38177]
- [https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/OT/white/2025/icsa-25-105-08.json]
- [https://security-tracker.debian.org/tracker/CVE-2022-38177]
- [https://wid.cert-bund.de/.well-known/csaf/white/2024/wid-sec-w-2024-0794.json]
[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]