RHSA-2026:67148: Security update for 3 packages

RHSA-2026:67148, released September 19, 2026, fixes 6 CVEs across 3 products. None of them is reported as exploited. Patch Radar priority: High.

High

CVEs closed

None rated Critical

Exploited

None reported

Highest CVSS

9.1

Base score, 0 to 10

Highest EPSS

0.0080

56th percentile

Priority of the 6 CVEs

Patch now 0
                                Urgent 0
                                High 6
                                Routine 0

Fixed package versions

Product	Release	Fixed in
osbuild-composer	RHEL 8	0:101.5-3.el8_10
osbuild-composer-core	RHEL 8	0:101.5-3.el8_10
osbuild-composer-worker	RHEL 8	0:101.5-3.el8_10

CVEs this fix closes

Priority	CVE	Title	CVSS	EPSS	Exploitation
High	CVE-2026-42499	Quadratic string concatenation in consumePhrase in net/mail	8.8	0.0080	None reported
High	CVE-2026-42504	Quadratic complexity in WordDecoder.DecodeHeader in mime	8.8	0.0056	None reported
High	CVE-2026-55677	osbuild-composer: A service for building customized OS artifacts, such as VM images and OSTree commits, that uses osbuild under the hood	8.2	0.0052	None reported
High	CVE-2026-32281	Inefficient policy validation in crypto/x509	9.1	0.0036	None reported
High	CVE-2026-41178	opentelemetry-collector: OpenTelemetry-Go is the Go implementation of OpenTelemetry	8.2	0.0034	None reported
High	CVE-2025-22866	osbuild-composer: A service for building customized OS artifacts, such as VM images and OSTree commits, that uses osbuild under the hood	7.5	0.0029	None reported

Also fixes CVE-2026-42499

OPENSUSE-SU-2026:21483-1
govulncheck-vulndb on opensuse-leap 16.0
RHSA-2026:67517
grafana on RHEL 10
RHSA-2026:49702
golang on RHEL 10
ELSA-2026-65534-0
image-builder on ol 10
RHSA-2026:65534
image-builder on RHEL 10
RLSA-2026:65534
image-builder on rocky 10
RHSA-2026:65886
image-builder on RHEL 9
ELSA-2026-65886-0
image-builder on ol 9

Vendor advisory

https://access.redhat.com/errata/RHSA-2026:67148

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