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RHSA-2026:99758
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Source
https://access.redhat.com/errata/RHSA-2026:99758
Import Source
https://security.access.redhat.com/data/osv/RHSA-2026:99758.json
JSON Data
https://api.osv.dev/v1/vulns/RHSA-2026:99758
Upstream
CVE (5)
CVE-2026-78667
CVE-2026-78669
CVE-2026-84445
CVE-2026-94440
CVE-2026-97031
Related
GO (4)
GO-2026-6607
GO-2026-6608
GO-2026-6609
GO-2026-6611
Published
2026-11-13T18:52:14Z
Modified
2026-11-14T10:02:39Z
Severity
7.5 (High)
CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS Calculator
Summary
Red Hat Security Advisory: osbuild-composer security update
Details
References
https://access.redhat.com/errata/RHSA-2026:99758
https://access.redhat.com/security/updates/classification/#important
https://bugzilla.redhat.com/show_bug.cgi?id=2533175
https://bugzilla.redhat.com/show_bug.cgi?id=2548334
https://bugzilla.redhat.com/show_bug.cgi?id=2548336
https://bugzilla.redhat.com/show_bug.cgi?id=2548341
https://bugzilla.redhat.com/show_bug.cgi?id=2548344
https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_99758.json
https://access.redhat.com/security/cve/CVE-2026-78667
https://www.cve.org/CVERecord?id=CVE-2026-78667
https://nvd.nist.gov/vuln/detail/CVE-2026-78667
https://go.dev/cl/847309
https://go.dev/issue/81858
https://groups.google.com/g/golang-announce/c/U2fTuyDJznI
https://pkg.go.dev/vuln/GO-2026-6609
https://access.redhat.com/security/cve/CVE-2026-78669
https://www.cve.org/CVERecord?id=CVE-2026-78669
https://nvd.nist.gov/vuln/detail/CVE-2026-78669
https://go.dev/cl/847186
https://go.dev/cl/847308
https://go.dev/issue/81742
https://groups.google.com/g/golang-announce/c/ZPwCyRUuGBs
https://pkg.go.dev/vuln/GO-2026-6611
https://access.redhat.com/security/cve/CVE-2026-84445
https://www.cve.org/CVERecord?id=CVE-2026-84445
https://nvd.nist.gov/vuln/detail/CVE-2026-84445
https://github.com/grpc/grpc-go/commit/3822494d8ea03b992c089fd2a195f041762fffb7
https://github.com/grpc/grpc-go/commit/8668b69c167df908b6b3666dcbf40992b9e932a4
https://github.com/grpc/grpc-go/commit/93e31b48545e2a8aaeb6e06b47fb249f94e6297f
https://github.com/grpc/grpc-go/issues/9354
https://github.com/grpc/grpc-go/pull/9365
https://github.com/grpc/grpc-go/pull/9366
https://github.com/grpc/grpc-go/pull/9367
https://github.com/grpc/grpc-go/releases/tag/v1.82.2
https://github.com/grpc/grpc-go/releases/tag/v1.83.2
https://github.com/grpc/grpc-go/security/advisories/GHSA-2v4p-qf9q-27wj
https://access.redhat.com/security/cve/CVE-2026-94440
https://www.cve.org/CVERecord?id=CVE-2026-94440
https://nvd.nist.gov/vuln/detail/CVE-2026-94440
https://go.dev/cl/847307
https://go.dev/issue/81741
https://pkg.go.dev/vuln/GO-2026-6608
https://access.redhat.com/security/cve/CVE-2026-97031
https://www.cve.org/CVERecord?id=CVE-2026-97031
https://nvd.nist.gov/vuln/detail/CVE-2026-97031
https://go.dev/cl/847312
https://go.dev/issue/81855
https://pkg.go.dev/vuln/GO-2026-6607
Affected packages
Red Hat:rhel_aus:8.6::appstream
osbuild-composer
Package
Name
osbuild-composer
Purl
pkg:rpm/redhat/osbuild-composer
Affected ranges
Type
ECOSYSTEM
Events
Introduced
0
Unknown introduced version / All previous versions are affected
Fixed
0:46.3-12.el8_6
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:99758.json"
osbuild-composer-core
Package
Name
osbuild-composer-core
Purl
pkg:rpm/redhat/osbuild-composer-core
Affected ranges
Type
ECOSYSTEM
Events
Introduced
0
Unknown introduced version / All previous versions are affected
Fixed
0:46.3-12.el8_6
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:99758.json"
osbuild-composer-core-debuginfo
Package
Name
osbuild-composer-core-debuginfo
Purl
pkg:rpm/redhat/osbuild-composer-core-debuginfo
Affected ranges
Type
ECOSYSTEM
Events
Introduced
0
Unknown introduced version / All previous versions are affected
Fixed
0:46.3-12.el8_6
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:99758.json"
osbuild-composer-debuginfo
Package
Name
osbuild-composer-debuginfo
Purl
pkg:rpm/redhat/osbuild-composer-debuginfo
Affected ranges
Type
ECOSYSTEM
Events
Introduced
0
Unknown introduced version / All previous versions are affected
Fixed
0:46.3-12.el8_6
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:99758.json"
osbuild-composer-debugsource
Package
Name
osbuild-composer-debugsource
Purl
pkg:rpm/redhat/osbuild-composer-debugsource
Affected ranges
Type
ECOSYSTEM
Events
Introduced
0
Unknown introduced version / All previous versions are affected
Fixed
0:46.3-12.el8_6
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:99758.json"
osbuild-composer-dnf-json
Package
Name
osbuild-composer-dnf-json
Purl
pkg:rpm/redhat/osbuild-composer-dnf-json
Affected ranges
Type
ECOSYSTEM
Events
Introduced
0
Unknown introduced version / All previous versions are affected
Fixed
0:46.3-12.el8_6
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:99758.json"
osbuild-composer-tests-debuginfo
Package
Name
osbuild-composer-tests-debuginfo
Purl
pkg:rpm/redhat/osbuild-composer-tests-debuginfo
Affected ranges
Type
ECOSYSTEM
Events
Introduced
0
Unknown introduced version / All previous versions are affected
Fixed
0:46.3-12.el8_6
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:99758.json"
osbuild-composer-worker
Package
Name
osbuild-composer-worker
Purl
pkg:rpm/redhat/osbuild-composer-worker
Affected ranges
Type
ECOSYSTEM
Events
Introduced
0
Unknown introduced version / All previous versions are affected
Fixed
0:46.3-12.el8_6
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:99758.json"
osbuild-composer-worker-debuginfo
Package
Name
osbuild-composer-worker-debuginfo
Purl
pkg:rpm/redhat/osbuild-composer-worker-debuginfo
Affected ranges
Type
ECOSYSTEM
Events
Introduced
0
Unknown introduced version / All previous versions are affected
Fixed
0:46.3-12.el8_6
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:99758.json"
Red Hat:rhel_eus_long_life:8.6::appstream
osbuild-composer
Package
Name
osbuild-composer
Purl
pkg:rpm/redhat/osbuild-composer
Affected ranges
Type
ECOSYSTEM
Events
Introduced
0
Unknown introduced version / All previous versions are affected
Fixed
0:46.3-12.el8_6
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:99758.json"
osbuild-composer-core
Package
Name
osbuild-composer-core
Purl
pkg:rpm/redhat/osbuild-composer-core
Affected ranges
Type
ECOSYSTEM
Events
Introduced
0
Unknown introduced version / All previous versions are affected
Fixed
0:46.3-12.el8_6
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:99758.json"
osbuild-composer-core-debuginfo
Package
Name
osbuild-composer-core-debuginfo
Purl
pkg:rpm/redhat/osbuild-composer-core-debuginfo
Affected ranges
Type
ECOSYSTEM
Events
Introduced
0
Unknown introduced version / All previous versions are affected
Fixed
0:46.3-12.el8_6
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:99758.json"
osbuild-composer-debuginfo
Package
Name
osbuild-composer-debuginfo
Purl
pkg:rpm/redhat/osbuild-composer-debuginfo
Affected ranges
Type
ECOSYSTEM
Events
Introduced
0
Unknown introduced version / All previous versions are affected
Fixed
0:46.3-12.el8_6
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:99758.json"
osbuild-composer-debugsource
Package
Name
osbuild-composer-debugsource
Purl
pkg:rpm/redhat/osbuild-composer-debugsource
Affected ranges
Type
ECOSYSTEM
Events
Introduced
0
Unknown introduced version / All previous versions are affected
Fixed
0:46.3-12.el8_6
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:99758.json"
osbuild-composer-dnf-json
Package
Name
osbuild-composer-dnf-json
Purl
pkg:rpm/redhat/osbuild-composer-dnf-json
Affected ranges
Type
ECOSYSTEM
Events
Introduced
0
Unknown introduced version / All previous versions are affected
Fixed
0:46.3-12.el8_6
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:99758.json"
osbuild-composer-tests-debuginfo
Package
Name
osbuild-composer-tests-debuginfo
Purl
pkg:rpm/redhat/osbuild-composer-tests-debuginfo
Affected ranges
Type
ECOSYSTEM
Events
Introduced
0
Unknown introduced version / All previous versions are affected
Fixed
0:46.3-12.el8_6
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:99758.json"
osbuild-composer-worker
Package
Name
osbuild-composer-worker
Purl
pkg:rpm/redhat/osbuild-composer-worker
Affected ranges
Type
ECOSYSTEM
Events
Introduced
0
Unknown introduced version / All previous versions are affected
Fixed
0:46.3-12.el8_6
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:99758.json"
osbuild-composer-worker-debuginfo
Package
Name
osbuild-composer-worker-debuginfo
Purl
pkg:rpm/redhat/osbuild-composer-worker-debuginfo
Affected ranges
Type
ECOSYSTEM
Events
Introduced
0
Unknown introduced version / All previous versions are affected
Fixed
0:46.3-12.el8_6
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:99758.json"
RHSA-2026:99758 - OSV