ELSA-2026-70640: Security update for 2 packages

ELSA-2026-70640, released September 24, 2026, fixes 8 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 8 CVEs

Patch now 0
                                Urgent 0
                                High 8
                                Routine 0

Fixed package versions

Product	Release	Fixed in
buildah	ol 9	2:1.43.3-2.0.1.el9_8
buildah-tests	ol 9	2:1.43.3-2.0.1.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-2026-56855	Prevent DoS on deadlocked established channel in golang.org/x/crypto/ssh	7.5	0.0050	None reported
High	CVE-2025-11395	buildah: A flaw was found in Podman	7.5	0.0045	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://linux.oracle.com/errata/ELSA-2026-70640.html

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