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7.5
Red Hat osbuild-composer Software Update Fixes Security Flaw
RHSA-2026:3753
Summary
Red Hat has released an update for osbuild-composer, a tool used to build and compose operating system images. This update addresses a security issue that could allow an attacker to manipulate the build process, potentially leading to unauthorized access or data tampering. Affected users should update to the latest version to ensure the security and integrity of their system.
What to do
- Update redhat osbuild-composer to version 0:149-4.el9_7.
- Update redhat osbuild-composer-core to version 0:149-4.el9_7.
- Update redhat osbuild-composer-core-debuginfo to version 0:149-4.el9_7.
- Update redhat osbuild-composer-debuginfo to version 0:149-4.el9_7.
- Update redhat osbuild-composer-debugsource to version 0:149-4.el9_7.
- Update redhat osbuild-composer-tests-debuginfo to version 0:149-4.el9_7.
- Update redhat osbuild-composer-worker to version 0:149-4.el9_7.
- Update redhat osbuild-composer-worker-debuginfo to version 0:149-4.el9_7.
Affected software
| Vendor | Product | Affected versions | Fix available |
|---|---|---|---|
| redhat | osbuild-composer | <= 0:149-4.el9_7 | 0:149-4.el9_7 |
| redhat | osbuild-composer-core | <= 0:149-4.el9_7 | 0:149-4.el9_7 |
| redhat | osbuild-composer-core-debuginfo | <= 0:149-4.el9_7 | 0:149-4.el9_7 |
| redhat | osbuild-composer-debuginfo | <= 0:149-4.el9_7 | 0:149-4.el9_7 |
| redhat | osbuild-composer-debugsource | <= 0:149-4.el9_7 | 0:149-4.el9_7 |
| redhat | osbuild-composer-tests-debuginfo | <= 0:149-4.el9_7 | 0:149-4.el9_7 |
| redhat | osbuild-composer-worker | <= 0:149-4.el9_7 | 0:149-4.el9_7 |
| redhat | osbuild-composer-worker-debuginfo | <= 0:149-4.el9_7 | 0:149-4.el9_7 |
Original title
Red Hat Security Advisory: osbuild-composer security update
osv CVSS3.1
7.5
- https://access.redhat.com/errata/RHSA-2026:3753 Vendor Advisory
- https://access.redhat.com/security/updates/classification/#important Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2418462 Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2434431 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_3753.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-2025-61728 Third Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2025-61728 Vendor Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2025-61728 Vendor Advisory
- https://go.dev/cl/736713 Third Party Advisory
- https://go.dev/issue/77102 Third Party Advisory
- https://pkg.go.dev/vuln/GO-2026-4342 Vendor Advisory
- https://access.redhat.com/security/cve/CVE-2025-61729 Third Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2025-61729 Vendor Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2025-61729 Vendor Advisory
- https://go.dev/cl/725920 Third Party Advisory
- https://go.dev/issue/76445 Third Party Advisory
- https://groups.google.com/g/golang-announce/c/8FJoBkPddm4 Third Party Advisory
- https://pkg.go.dev/vuln/GO-2025-4155 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: 5 Mar 2026 · Updated: 7 Mar 2026 · First seen: 6 Mar 2026