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7.5
Red Hat's osbuild-composer software has a security update available
RHSA-2026:3898
Summary
This update fixes a security issue in osbuild-composer that could allow an attacker to execute arbitrary code on a system. Affected users should update to the latest version of osbuild-composer to ensure their systems are secure. The update is available for Red Hat Enterprise Linux.
What to do
- Update redhat osbuild-composer to version 0:101.4-4.el8_10.
- Update redhat osbuild-composer-core to version 0:101.4-4.el8_10.
- Update redhat osbuild-composer-core-debuginfo to version 0:101.4-4.el8_10.
- Update redhat osbuild-composer-debuginfo to version 0:101.4-4.el8_10.
- Update redhat osbuild-composer-debugsource to version 0:101.4-4.el8_10.
- Update redhat osbuild-composer-tests-debuginfo to version 0:101.4-4.el8_10.
- Update redhat osbuild-composer-worker to version 0:101.4-4.el8_10.
- Update redhat osbuild-composer-worker-debuginfo to version 0:101.4-4.el8_10.
Affected software
| Vendor | Product | Affected versions | Fix available |
|---|---|---|---|
| redhat | osbuild-composer | <= 0:101.4-4.el8_10 | 0:101.4-4.el8_10 |
| redhat | osbuild-composer-core | <= 0:101.4-4.el8_10 | 0:101.4-4.el8_10 |
| redhat | osbuild-composer-core-debuginfo | <= 0:101.4-4.el8_10 | 0:101.4-4.el8_10 |
| redhat | osbuild-composer-debuginfo | <= 0:101.4-4.el8_10 | 0:101.4-4.el8_10 |
| redhat | osbuild-composer-debugsource | <= 0:101.4-4.el8_10 | 0:101.4-4.el8_10 |
| redhat | osbuild-composer-tests-debuginfo | <= 0:101.4-4.el8_10 | 0:101.4-4.el8_10 |
| redhat | osbuild-composer-worker | <= 0:101.4-4.el8_10 | 0:101.4-4.el8_10 |
| redhat | osbuild-composer-worker-debuginfo | <= 0:101.4-4.el8_10 | 0:101.4-4.el8_10 |
Original title
Red Hat Security Advisory: osbuild-composer security update
osv CVSS3.1
7.5
- https://access.redhat.com/errata/RHSA-2026:3898 Vendor Advisory
- https://access.redhat.com/security/updates/classification/#important Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2434432 Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2437111 Third Party Advisory
- https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_3898.j... Vendor Advisory
- https://access.redhat.com/security/cve/CVE-2025-61726 Third Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2025-61726 Vendor Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2025-61726 Vendor Advisory
- https://go.dev/cl/736712 Third Party Advisory
- https://go.dev/issue/77101 Third Party Advisory
- https://groups.google.com/g/golang-announce/c/Vd2tYVM8eUc Third Party Advisory
- https://pkg.go.dev/vuln/GO-2026-4341 Vendor Advisory
- https://access.redhat.com/security/cve/CVE-2025-68121 Third Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2025-68121 Vendor Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2025-68121 Vendor Advisory
- https://go.dev/cl/737700 Third Party Advisory
- https://go.dev/issue/77217 Third Party Advisory
- https://groups.google.com/g/golang-announce/c/K09ubi9FQFk Third Party Advisory
- https://pkg.go.dev/vuln/GO-2026-4337 Vendor Advisory
Published: 6 Mar 2026 · Updated: 7 Mar 2026 · First seen: 6 Mar 2026