Red Hat Security Advisory: osbuild-composer security update
A service for building customized OS artifacts, such as VM images and OSTree commits, that uses osbuild under the hood. Besides building images for local usage, it can also upload images directly to cloud. It is compatible with composer-cli and cockpit-composer clients. Security Fix(es): * go-jose: Go JOSE's Parsing Vulnerable to Denial of Service (CVE-2025-27144) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
AI Analysis
Technical Summary
CVE-2025-27144 is a denial of service vulnerability in the Go JOSE parsing library used within Red Hat OpenShift Container Platform and osbuild-composer components of Red Hat Enterprise Linux 10. The flaw is classified under CWE-770 (Allocation of Resources Without Limits or Throttling). Red Hat has released updated RPM packages and container images to address this issue. The advisory covers multiple affected products including OpenShift Container Platform 4.18 and various Red Hat Enterprise Linux 10 variants. The vendor advisory confirms a moderate severity rating and provides instructions for upgrading clusters using the OpenShift CLI or web console.
Potential Impact
Successful exploitation of this vulnerability could lead to denial of service conditions in affected components, potentially disrupting services that rely on Go JOSE parsing. The impact is rated as moderate by Red Hat. There are no known exploits in the wild at this time.
Mitigation Recommendations
Red Hat has released updated packages and container images that fix this vulnerability. Users should upgrade to the provided versions as soon as they are available in their release channels. For OpenShift Container Platform, upgrades can be performed using the OpenShift CLI (oc) or web console following Red Hat's documented procedures. No additional mitigation steps are indicated beyond applying the official updates.
Red Hat Security Advisory: osbuild-composer security update
Description
A service for building customized OS artifacts, such as VM images and OSTree commits, that uses osbuild under the hood. Besides building images for local usage, it can also upload images directly to cloud. It is compatible with composer-cli and cockpit-composer clients. Security Fix(es): * go-jose: Go JOSE's Parsing Vulnerable to Denial of Service (CVE-2025-27144) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2025-27144 is a denial of service vulnerability in the Go JOSE parsing library used within Red Hat OpenShift Container Platform and osbuild-composer components of Red Hat Enterprise Linux 10. The flaw is classified under CWE-770 (Allocation of Resources Without Limits or Throttling). Red Hat has released updated RPM packages and container images to address this issue. The advisory covers multiple affected products including OpenShift Container Platform 4.18 and various Red Hat Enterprise Linux 10 variants. The vendor advisory confirms a moderate severity rating and provides instructions for upgrading clusters using the OpenShift CLI or web console.
Potential Impact
Successful exploitation of this vulnerability could lead to denial of service conditions in affected components, potentially disrupting services that rely on Go JOSE parsing. The impact is rated as moderate by Red Hat. There are no known exploits in the wild at this time.
Mitigation Recommendations
Red Hat has released updated packages and container images that fix this vulnerability. Users should upgrade to the provided versions as soon as they are available in their release channels. For OpenShift Container Platform, upgrades can be performed using the OpenShift CLI (oc) or web console following Red Hat's documented procedures. No additional mitigation steps are indicated beyond applying the official updates.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_security_advisory
- Csaf Version
- 2.0
- Publisher
- Red Hat Product Security
- Advisory Id
- RHSA-2025:7669
- Cve Count
- 1
Threat ID: 6a160989e29bf47b5065391c
Added to database: 05/26/2026, 20:58:49 UTC
Last enriched: 08/17/2026, 22:10:27 UTC
Last updated: 09/10/2026, 20:14:49 UTC
Views: 96
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