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OPENSUSE-SU-2026:21241-1 Not scored

Security update for buildah

This update for buildah fixes the following issues - CVE-2026-39821: golang.org/x/net/idna: failure to reject ASCII-only Punycode-encoded labels allows for validation bypass and privilege escalation (bsc#1266648). - CVE-2026-39829: golang.org/x/crypto/ssh: pathological RSA/DSA parameters may cause DoS (bsc#1266191). - CVE-2026-39830: golang.org/x/crypto/ssh: client can cause server deadlock on unexpected responses (bsc#1266191). - CVE-2026-46598: golang.org/x/crypto/ssh: pathological inputs can lead to client panic/agent (bsc#1266191).

Exploit probability Not scored
Published July 6, 2026
Required by Not available
Last source change July 9, 2026

02 / AFFECTED SOFTWARE

Affected packages

openSUSE:Leap 16.0 buildah

03 / CONNECTIONS

Connected vulnerabilities

04 / EVIDENCE

Source records

Open Source Vulnerabilities openSUSE-SU-2026:21241-1

This update for buildah fixes the following issues - CVE-2026-39821: golang.org/x/net/idna: failure to reject ASCII-only Punycode-encoded labels allows for validation bypass and privilege escalation (bsc#1266648). - CVE-2026-39829: golang.org/x/crypto/ssh: pathological RSA/DSA parameters may cause DoS (bsc#1266191). - CVE-2026-39830: golang.org/x/crypto/ssh: client can cause server deadlock on unexpected responses (bsc#1266191). - CVE-2026-46598: golang.org/x/crypto/ssh: pathological inputs can lead to client panic/agent (bsc#1266191).

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05 / REFERENCES

Further evidence