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Vulnerability IntelligenceopenSUSE-SU-2026:21482-1

openSUSE-SU-2026:21482-1

HIGH7.4

Security update for ignition

Published Jul 30, 2026

Modified 2 months ago

Fix available

Details

Description of the patch:

This update for ignition 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#1266606).
CVE-2026-56852: golang.org/x/text/unicode/norm: handling of input containing invalid UTF-8 bytes can lead to infinite loop (bsc#1272059).

Affected Packages

ignition

openSUSE Leap 16.0

Fixed in:

2.21.0-160000.5.1

References

https://bugzilla.suse.com/1266606

https://bugzilla.suse.com/1272059

https://www.suse.com/security/cve/CVE-2026-39821/

https://www.suse.com/security/cve/CVE-2026-56852/

https://www.suse.com/support/security/rating/

CVSS Analysis

CVSS v3.1

7.4

Exploitability

Attack Vector

NetworkAV:N

Attack Complexity

HighAC:H

Privileges Required

NonePR:N

User Interaction

NoneUI:N

Scope

Scope

UnchangedS:U

Impact

Confidentiality

HighC:H

Integrity

HighI:H

Availability

NoneA:N

7.4/CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

Upstream

CVE-2026-39821 CVE-2026-56852

Ecosystems

openSUSE Leap 16.0

Timeline

PublishedJul 30, 2026

ModifiedJul 30, 2026

openSUSE-SU-2026:21482-1 | Mondoo Vulnerability Intelligence