Description
An out of bound write can occur when patching an Openshift object using the 'oc patch' functionality in OpenShift Container Platform before 3.7. An attacker can use this flaw to cause a denial of service attack on the Openshift master api service which provides cluster management.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Red Hat | atomic-openshift | atomic-openshift-3.7 | — |
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.
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.10 | golang-github-evanphx-json-patch | No fix yet | — |
| Ubuntu 26.04 LTS | golang-github-evanphx-json-patch | No fix yet | — |
| Ubuntu 25.10 | golang-github-evanphx-json-patch | No fix yet | — |
| Ubuntu 24.04 LTS | golang-github-evanphx-json-patch | No fix yet | — |
| Ubuntu 22.04 LTS | golang-github-evanphx-json-patch | No fix yet | — |
Show 3 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 20.04 LTS | golang-github-evanphx-json-patch | No fix yet | — |
| Ubuntu 18.04 LTS | golang-github-evanphx-json-patch | No fix yet | — |
| Ubuntu 16.04 LTS | golang-github-evanphx-json-patch | No fix yet | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Red Hat OpenShift 3 | atomic-openshift +14 | 3.6.173.0.130-1.git.0.8d78a39.el7 | RHSA-2018:2908, RHSA-2018:2906, RHSA-2018:2709 |
| Red Hat OpenShift 3 | atomic-openshift-hyperkube +1 | 3.10.66-1.git.0.91d1e89.el7 | RHSA-2018:2709, RHBA-2018:2652 |
| Red Hat OpenShift 3 | atomic-openshift-template-service-broker | 3.7.72-1.git.0.925b9cd.el7 | RHSA-2018:2908, RHSA-2018:2906, RHSA-2018:2709 |
| Red Hat OpenShift 3 | haproxy +1 | 1.8.14-2.el7 | RHSA-2018:2709 |
| Red Hat OpenShift 3 | openshift-ansible +7 | 3.7.72-1.git.0.5c45a8a.el7 | RHSA-2018:2906 |
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| Go | github.com/evanphx/json-patch | < 0.5.2 | 0.5.2 | GHSA-gxhv-3hwf-wjp9 |
| Go | github.com/evanphx/json-patch | >= 3.0.0, < 3.0.1-0.20180525145409-4c9aadca8f89 | 3.0.1-0.20180525145409-4c9aadca8f89 | GHSA-gxhv-3hwf-wjp9 |
| Go | github.com/evanphx/json-patch | < 0.5.2 · >= 3.0.0+incompatible, < 3.0.1-0.20180525145409-4c9aadca8f89+incompatible | 0.5.2, 3.0.1-0.20180525145409-4c9aadca8f89+incompatible | GO-2021-0076 |
Advisories 5
- RHSA-2018:2908 Red Hat Security Advisory: OpenShift Container Platform 3.9 security update Red Hat Security Advisories (RHSA) · Aug 15, 2026
- RHSA-2018:2906 Red Hat Security Advisory: OpenShift Container Platform 3.7 security update Red Hat Security Advisories (RHSA) · Aug 15, 2026
- RHSA-2018:2709 Red Hat Security Advisory: Red Hat OpenShift Container Platform 3.10 security and bug fix update Red Hat Security Advisories (RHSA) · Jul 1, 2026
- RHSA-2018:2654 Red Hat Security Advisory: OpenShift Container Platform 3.6 security and bug fix update Red Hat Security Advisories (RHSA) · Jul 1, 2026
- RHBA-2018:2652 Red Hat Bug Fix Advisory: Red Hat OpenShift Container Platform 3.11 RPM Release Advisory Red Hat Security Advisories (RHSA) · Jul 1, 2026
References
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14632
- https://github.com/evanphx/json-patch/commit/4c9aadca8f89e349c999f04e28199e96e81aba03#diff-65c563bba473be9d94ce4d033f74810e
- RHBA-2018:2652 vendor-advisory
- RHSA-2018:2654 vendor-advisory
- RHSA-2018:2908 vendor-advisory
- RHSA-2018:2906 vendor-advisory
- RHSA-2018:2709 vendor-advisory