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SUSE-SU-2026:3101-1 | Mondoo Vulnerability Intelligence

Vulnerability IntelligenceSUSE-SU-2026:3101-1

SUSE-SU-2026:3101-1

MEDIUM5.3

Security update for python-idna

Published Jul 17, 2026

Modified 1 weeks ago

Fix available

Details

Description of the patch:

This update for python-idna fixes the following issue

CVE-2026-45409: specially crafted inputs to idna.encode() can bypass earlier security fix (bsc#1265413).

Affected Packages

python-idna

SUSE Linux Enterprise High Performance Computing 12SUSE Linux Enterprise Module for Public Cloud 12SUSE Linux Enterprise Server 12SUSE Linux Enterprise Server 12 SP3SUSE Linux Enterprise Server 12 SP4

Fixed in:

2.5-3.16.1

python3-idna

Fixed in:

2.5-3.16.1

References

ADVISORY

https://bugzilla.suse.com/1265413

ADVISORY

https://lists.suse.com/pipermail/sle-updates/2026-July/048419.html

ADVISORY

https://www.suse.com/security/cve/CVE-2026-45409/

WEB

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

ADVISORY

https://www.suse.com/support/update/announcement/2026/suse-su-20263101-1/

CVSS Analysis

CVSS v3.1

5.3

Exploitability

Attack Vector

NetworkAV:N

Attack Complexity

LowAC:L

Privileges Required

NonePR:N

User Interaction

NoneUI:N

Scope

UnchangedS:U

Impact

Confidentiality

LowC:L

Integrity

NoneI:N

Availability

NoneA:N

5.3/CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Upstream

CVE-2026-45409

Ecosystems(11)

SUSE Linux Enterprise High Performance Computing 12 SUSE Linux Enterprise Module for Public Cloud 12 SUSE Linux Enterprise Server 12 SUSE Linux Enterprise Server 12 SP3 SUSE Linux Enterprise Server 12 SP4

Timeline

PublishedJul 17, 2026

ModifiedJul 17, 2026