RHSA-2026:88188: Security update for 2 packages

RHSA-2026:88188, released October 24, 2026, fixes 5 CVEs across 2 products. None of them is reported as exploited. Patch Radar priority: High.

High

CVEs closed

None rated Critical

Exploited

None reported

Highest CVSS

8.1

Base score, 0 to 10

Highest EPSS

0.0085

58th percentile

Priority of the 5 CVEs

Patch now 0
                                Urgent 0
                                High 5
                                Routine 0

Fixed package versions

Product	Release	Fixed in
grafana	RHEL 8	0:9.2.10-36.el8_10
grafana-selinux	RHEL 8	0:9.2.10-36.el8_10

CVEs this fix closes

Priority	CVE	Title	CVSS	EPSS	Exploitation
High	CVE-2026-78669	Excessive CPU consumption from repeated initial window changes in net/http	7.5	0.0085	None reported
High	CVE-2026-97031	Reject malformed ECH outer extension references in crypto/tls	7.5	0.0072	None reported
High	CVE-2026-94440	Memory limit bypass when parsing MIME headers in net/textproto, mime/multipart	7.5	0.0071	None reported
High	CVE-2026-78667	Lack of limit on size of parsed Range headers in net/http	7.5	0.0066	None reported
High	CVE-2026-111943	Go: CVE-2026-111943 Distrust compromised intermediate certificates in crypto/x509	8.1	0.0040	None reported

Also fixes CVE-2026-78669

SUSE-SU-2026:4866-1
go1.26-openssl on sles 15.6, sles 15.7
OPENSUSE-SU-2026:22093-1
go1.27 on opensuse-leap 16.0
SUSE-SU-2026:24237-1
go1.27 on sles 16.0
SUSE-SU-2026:4625-1
go1.27 on sles 15.6, sles 15.7
ALSA-2026:86196
go-toolset, golang, golang-bin and 5 more on almalinux 9
ALSA-2026:86093
go-toolset, golang, golang-bin and 5 more on almalinux 10
RHSA-2026:86196
go-toolset, golang, golang-bin and 5 more on RHEL 9
RHSA-2026:87040
golang on RHEL 10

Vendor advisory

https://access.redhat.com/errata/RHSA-2026:88188

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