SUSE-SU-2026:2219-1

HIGH7.5

Security update for python-Twisted

Published Jun 2, 2026

Modified 3 days ago

Fix available

Details

Description of the patch:

This update for python-Twisted fixes the following issue

CVE-2026-42304: Prior to 26.4.0rc2, the twisted.names module is vulnerable to a Denial of Service (DoS) attack via resource exhaustion during DNS name decompression (bsc#1265265).

Affected Packages

python311-Twisted

SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOSSUSE Linux Enterprise High Performance Computing 15 SP4-LTSSSUSE Linux Enterprise High Performance Computing 15 SP5-ESPOSSUSE Linux Enterprise High Performance Computing 15 SP5-LTSSSUSE Linux Enterprise Module for Public Cloud 15 SP4

Fixed in:

22.10.0-150400.5.26.1

python311-Twisted-all_non_platform

SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOSSUSE Linux Enterprise High Performance Computing 15 SP4-LTSSSUSE Linux Enterprise High Performance Computing 15 SP5-ESPOSSUSE Linux Enterprise High Performance Computing 15 SP5-LTSSSUSE Linux Enterprise Module for Python 3 15 SP7

Fixed in:

22.10.0-150400.5.26.1

python311-Twisted-conch

SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOSSUSE Linux Enterprise High Performance Computing 15 SP4-LTSSSUSE Linux Enterprise High Performance Computing 15 SP5-ESPOSSUSE Linux Enterprise High Performance Computing 15 SP5-LTSSSUSE Linux Enterprise Module for Python 3 15 SP7

Fixed in:

22.10.0-150400.5.26.1

python311-Twisted-conch_nacl

SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOSSUSE Linux Enterprise High Performance Computing 15 SP4-LTSSSUSE Linux Enterprise High Performance Computing 15 SP5-ESPOSSUSE Linux Enterprise High Performance Computing 15 SP5-LTSSSUSE Linux Enterprise Module for Python 3 15 SP7

Fixed in:

22.10.0-150400.5.26.1

python311-Twisted-contextvars

SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOSSUSE Linux Enterprise High Performance Computing 15 SP4-LTSSSUSE Linux Enterprise High Performance Computing 15 SP5-ESPOSSUSE Linux Enterprise High Performance Computing 15 SP5-LTSSSUSE Linux Enterprise Module for Python 3 15 SP7

Fixed in:

22.10.0-150400.5.26.1

python311-Twisted-http2

SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOSSUSE Linux Enterprise High Performance Computing 15 SP4-LTSSSUSE Linux Enterprise High Performance Computing 15 SP5-ESPOSSUSE Linux Enterprise High Performance Computing 15 SP5-LTSSSUSE Linux Enterprise Module for Python 3 15 SP7

Fixed in:

22.10.0-150400.5.26.1

python311-Twisted-serial

SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOSSUSE Linux Enterprise High Performance Computing 15 SP4-LTSSSUSE Linux Enterprise High Performance Computing 15 SP5-ESPOSSUSE Linux Enterprise High Performance Computing 15 SP5-LTSSSUSE Linux Enterprise Module for Python 3 15 SP7

Fixed in:

22.10.0-150400.5.26.1

python311-Twisted-tls

SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOSSUSE Linux Enterprise High Performance Computing 15 SP4-LTSSSUSE Linux Enterprise High Performance Computing 15 SP5-ESPOSSUSE Linux Enterprise High Performance Computing 15 SP5-LTSSSUSE Linux Enterprise Module for Public Cloud 15 SP4

Fixed in:

22.10.0-150400.5.26.1

References

https://bugzilla.suse.com/1265265

https://lists.suse.com/pipermail/sle-security-updates/2026-June/026442.html

https://www.suse.com/security/cve/CVE-2026-42304/

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

https://www.suse.com/support/update/announcement/2026/suse-su-20262219-1/

CVSS Analysis

CVSS v3.1

7.5

Exploitability

Attack Vector

NetworkAV:N

Attack Complexity

LowAC:L

Privileges Required

NonePR:N

User Interaction

NoneUI:N

Scope

Scope

UnchangedS:U

Impact

Confidentiality

NoneC:N

Integrity

NoneI:N

Availability

HighA:H

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

Upstream

Ecosystems(12)

SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS SUSE Linux Enterprise High Performance Computing 15 SP5-ESPOS SUSE Linux Enterprise High Performance Computing 15 SP5-LTSS SUSE Linux Enterprise Module for Public Cloud 15 SP4

Timeline

PublishedJun 2, 2026

ModifiedJun 2, 2026

SUSE-SU-2026:2219-1 | Mondoo Vulnerability Intelligence