ALSA-2026:70640: Security update for 2 packages

ALSA-2026:70640, released September 23, 2026, fixes 6 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

8.8

Base score, 0 to 10

Highest EPSS

0.0057

47th percentile

Priority of the 6 CVEs

Patch now 0
                                Urgent 0
                                High 6
                                Routine 0

Fixed package versions

Product	Release	Fixed in
buildah	almalinux 9	2:1.43.3-2.el9_8
buildah-tests	almalinux 9	2:1.43.3-2.el9_8

CVEs this fix closes

Priority	CVE	Title	CVSS	EPSS	Exploitation
High	CVE-2026-33818	Enforce maximum recursion depth in encoding/asn1	8.8	0.0057	None reported
High	CVE-2026-56853	Apply ReadHeaderTimeout when doing unencrypted HTTP/2 check in net/http	8.8	0.0057	None reported
High	CVE-2026-56862	Limit handshake messages we are willing to accept post-handshake in crypto/tls	8.8	0.0057	None reported
High	CVE-2026-56860	Avoid quadratic complexity in resolvePath in net/url	8.8	0.0055	None reported
High	CVE-2026-15789	buildah: The buildah package provides a tool for facilitating building OCI container images	8.1	0.0031	None reported
High	CVE-2026-56858	Fix Javascript regexp context tracking in html/template	8.8	0.0031	None reported

Also fixes CVE-2026-56862

SUSE-SU-2026:23625-1
govulncheck-vulndb on sles 16.0
OPENSUSE-SU-2026:21761-1
govulncheck-vulndb on opensuse-leap 16.0
RHSA-2026:67517
grafana 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://osv.dev/vulnerability/ALSA-2026:70640

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