# CVE-2022-2906: bind9: An attacker can leverage this flaw to gradually erode available memory to the point where named crashes for lack of r...

CVE-2022-2906 is fixed in 7 products on 1 platform, first by bind9 1:9.18.1-1ubuntu1.2, released September 20, 2022. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2022-2906
- Priority: High
- CVSS: 7.5 (high)
- EPSS: 0.0205
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Sep 20, 2022

## Description

An attacker can leverage this flaw to gradually erode available memory to the point where named crashes for lack of resources. Upon restart the attacker would have to begin again, but nevertheless there is the potential to deny service.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | bind9 Debian 12.15 (bookworm) | 1:9.18.7-1 | [DEBIAN-CVE-2022-2906](https://patchblox.com/security/data/fix/linux/debian-cve-2022-2906.md) | Sep 21, 2022 |
| Linux | bind9 Debian 13.5 (trixie) | 1:9.18.7-1 | [DEBIAN-CVE-2022-2906](https://patchblox.com/security/data/fix/linux/debian-cve-2022-2906.md) | Sep 21, 2022 |
| Linux | bind9 Debian 14 | 1:9.18.7-1 | [DEBIAN-CVE-2022-2906](https://patchblox.com/security/data/fix/linux/debian-cve-2022-2906.md) | Sep 21, 2022 |
| Linux | bind9 Ubuntu 22.04.1 LTS (jammy) | 1:9.18.1-1ubuntu1.2 | [bind9 1:9.18.1-1ubuntu1.2](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-bind9-1-9.18.1-1ubuntu1.2.md) | Sep 20, 2022 |
| Linux | bind9-dnsutils Ubuntu 22.04.1 LTS (jammy) | 1:9.18.1-1ubuntu1.2 | [bind9-dnsutils 1:9.18.1-1ubuntu1.2](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-bind9-dnsutils-1-9.18.1-1ubuntu1.2.md) | Sep 20, 2022 |
| Linux | bind9-host Ubuntu 22.04.1 LTS (jammy) | 1:9.18.1-1ubuntu1.2 | [bind9-host 1:9.18.1-1ubuntu1.2](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-bind9-host-1-9.18.1-1ubuntu1.2.md) | Sep 20, 2022 |
| Linux | bind9-libs Ubuntu 22.04.1 LTS (jammy) | 1:9.18.1-1ubuntu1.2 | [bind9-libs 1:9.18.1-1ubuntu1.2](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-bind9-libs-1-9.18.1-1ubuntu1.2.md) | Sep 20, 2022 |
| Linux | bind9-utils Ubuntu 22.04.1 LTS (jammy) | 1:9.18.1-1ubuntu1.2 | [bind9-utils 1:9.18.1-1ubuntu1.2](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-bind9-utils-1-9.18.1-1ubuntu1.2.md) | Sep 20, 2022 |
| Linux | bind9utils Ubuntu 22.04.1 LTS (jammy) | 1:9.18.1-1ubuntu1.2 | [bind9utils 1:9.18.1-1ubuntu1.2](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-bind9utils-1-9.18.1-1ubuntu1.2.md) | Sep 20, 2022 |
| Linux | dnsutils Ubuntu 22.04.1 LTS (jammy) | 1:9.18.1-1ubuntu1.2 | [dnsutils 1:9.18.1-1ubuntu1.2](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-dnsutils-1-9.18.1-1ubuntu1.2.md) | Sep 20, 2022 |

---

Data as of 2026-11-08T00:53:09Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

Free to use with attribution: show "Data: Patchblox Patch Radar" with a link to https://patchblox.com/security/patch-radar. Terms, including what needs a written agreement: https://patchblox.com/security/patch-radar/use-the-data

Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.