ELSA-2026-29455: Security update for 2 packages

ELSA-2026-29455, released June 25, 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

9.1

Base score, 0 to 10

Highest EPSS

0.0083

57th percentile

Priority of the 6 CVEs

Patch now 0
                                Urgent 0
                                High 6
                                Routine 0

Fixed package versions

Product	Release	Fixed in
buildah	ol 9	2:1.43.1-2.0.1.el9_8
buildah-tests	ol 9	2:1.43.1-2.0.1.el9_8

CVEs this fix closes

Priority	CVE	Title	CVSS	EPSS	Exploitation
High	CVE-2026-25679	Incorrect parsing of IPv6 host literals in net/url	9.1	0.0083	None reported
High	CVE-2026-39830	Invoking client can cause server deadlock on unexpected responses in golang.org/x/crypto/ssh	9.1	0.0068	None reported
High	CVE-2026-32283	Unauthenticated TLS 1.3 KeyUpdate record can cause persistent connection retention and DoS in crypto/tls	9.1	0.0063	None reported
High	CVE-2026-32280	Unexpected work during chain building in crypto/x509	9.1	0.0063	None reported
High	CVE-2026-39829	Invoking pathological RSA/DSA parameters may cause DoS in golang.org/x/crypto/ssh	8.7	0.0047	None reported
High	CVE-2026-32281	Inefficient policy validation in crypto/x509	9.1	0.0036	None reported

Also fixes CVE-2026-25679

OPENSUSE-SU-2026:21483-1
govulncheck-vulndb on opensuse-leap 16.0
SUSE-SU-2026:1042-1
govulncheck-vulndb on opensuse-leap 15.6
RHSA-2026:41019
flightctl on RHEL 10
OPENSUSE-SU-2026:21319-1
go1.25-openssl on opensuse-leap 16.0
SUSE-SU-2026:22638-1
go1.25-openssl on sles 16.0
RLSA-2026:22714
osbuild-composer on rocky 9
RLSA-2026:22450
osbuild-composer on rocky 10
RLSA-2026:22937
image-builder on rocky 10

Vendor advisory

https://linux.oracle.com/errata/ELSA-2026-29455.html

For tools and AI agents

This page as data: JSON · Markdown

Link to this page

If this page saved you time, a link to it in your ticket, advisory or write-up helps others find it.

HTML

<a href="https://patchblox.com/security/fix/linux/elsa-2026-29455">ELSA-2026-29455 on Patchblox Patch Radar</a>

Reusing the data? How to credit Patch Radar.

Which servers are still behind?

Patchblox compares the installed package on every Linux machine against the fixed version for its release, including machines reported through Azure Update Manager.

Get a demo

Patch Radar data is free to use with attribution. Terms and how to credit it.

Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.