Description
Docker Registry before 2.6.2 in Docker Distribution does not properly restrict the amount of content accepted from a user, which allows remote attackers to cause a denial of service (memory consumption) via the manifest endpoint.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | docker-registry | 2.6.2~ds1-1 | — |
| Debian 13 | docker-registry | 2.6.2~ds1-1 | — |
| Debian 12 | docker-registry | 2.6.2~ds1-1 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 20.04 LTS | docker-registry | 2.7.1+ds2-7ubuntu0.3 | USN-6336-1 |
Show 3 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 22.04 LTS | docker-registry | 2.8.0+ds1-4ubuntu0.1~esm2 | USN-6336-1 |
| Ubuntu Pro 18.04 LTS | docker-registry | 2.6.2~ds1-1ubuntu0.1~esm1 | USN-6336-1 |
| Ubuntu Pro 16.04 LTS | docker-registry | 2.3.0~ds1-1ubuntu0.1~esm1 | USN-6336-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Red Hat Rhel Extras Other 7 | docker-distribution | 2.6.2-1.git48294d9.el7 | RHSA-2017:2603 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 | docker-distribution | 2.6.2-13.6.1 | SUSE-SU-2018:0865-1 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SUSE Package Hub 15 SP2 | docker-distribution | 2.7.1-bp152.4.3.1 | openSUSE-SU-2020:1433-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | distribution-registry | 2.8.1-1.1 | openSUSE-SU-2024:12135-1 |
| openSUSE Tumbleweed | docker-distribution-registry | 2.7.1-7.2 | openSUSE-SU-2024:10723-1 |
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| Go | github.com/docker/distribution | < 2.7.0-rc.0 | 2.7.0-rc.0 | GHSA-h62f-wm92-2cmw |
| Go | github.com/docker/distribution | < 2.7.0-rc.0+incompatible | 2.7.0-rc.0+incompatible | GO-2021-0072 |
Advisories 7
- USN-6336-1 docker-registry vulnerabilities Ubuntu Security Notices (USN) · Jun 25, 2026
- RHSA-2017:2603 Red Hat Security Advisory: docker-distribution security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · May 13, 2026
- SUSE-SU-2018:0865-1 Security update for docker-distribution SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:10723-1 docker-distribution-registry-2.7.1-7.2 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:12135-1 distribution-registry-2.8.1-1.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2020:1433-1 Security update for docker-distribution SUSE / openSUSE Security Updates · Feb 4, 2026
- WID-SEC-2023-2264 docker: Schwachstelle ermöglicht Denial of Service BSI CERT-Bund (WID) · Sep 4, 2023