Linux · openSUSE Leap · Security advisory · July 6, 2026

OPENSUSE-SU-2026:21241-1: buildah security update

OPENSUSE-SU-2026:21241-1, released July 6, 2026, fixes 4 CVEs in buildah (version 1.39.5-160000.2.1). None of them is reported as exploited. Patch Radar priority: Urgent.

Urgent
CVEs closed
4
1 rated Critical
Exploited
0
None reported
Highest CVSS
10.0
Base score, 0 to 10
Highest EPSS
0.0183
79th percentile

Priority of the 4 CVEs

Patch now 0 Urgent 1 High 2 Routine 1

Fixed package versions

ProductReleaseFixed in
buildahopensuse-leap 16.01.39.5-160000.2.1

CVEs this fix closes

PriorityCVETitleCVSSEPSSExploitation
Urgent CVE-2026-39821 Invoking failure to reject ASCII-only Punycode-encoded labels in golang.org/x/net/idna10.0 0.0183 None reported
High CVE-2026-39830 Invoking client can cause server deadlock on unexpected responses in golang.org/x/crypto/ssh9.1 0.0068 None reported
High CVE-2026-39829 Invoking pathological RSA/DSA parameters may cause DoS in golang.org/x/crypto/ssh8.7 0.0047 None reported
Routine CVE-2026-46598 Invoking pathological inputs can lead to client panic in golang.org/x/crypto/ssh/agent5.3 0.0041 None reported
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