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SUSE 12 SP5 Python37 Important Security Vulnerability Resolution Update

suse
Calendar Grey March 12, 2026
Dist Suse Esm H88
Learn about the important security update for python36 addressing header injection issues on SUSE platforms.
An update that solves one vulnerability can now be installed.

Summary

## This update for python36 fixes the following issues: * CVE-2026-1299: header injection when an email is serialized due to improper newline quoting in BytesGenerator (bsc#1257181). ## Patch Instructions: To install this SUSE update use the SUSE recommended installation methods like YaST online_update or "zypper patch". Alternatively you can run the command listed for your product: * SUSE Linux Enterprise Server 12 SP5 LTSS zypper in -t patch SUSE-SLE-SERVER-12-SP5-LTSS-2026-884=1 * SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security zypper in -t patch SUSE-SLE-SERVER-12-SP5-LTSS-EXTENDED-SECURITY-2026-884=1 ## Package List: * SUSE Linux Enterprise Server 12 SP5 LTSS (aarch64 ppc64le s390x x86_64) * libpython3_6m1_0-debuginfo-3.6.15-103.1 * python36-base-3.6.15-103.1

Topics%20covered

Topics Covered

security advisory SuSE important header injection python36

References

* bsc#1257181

Cross-

* CVE-2026-1299

CVSS scores:

* CVE-2026-1299 ( SUSE ): 8.3

CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:H/VA:N/SC:N/SI:N/SA:N

* CVE-2026-1299 ( SUSE ): 8.2 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N

* CVE-2026-1299 ( NVD ): 6.0

CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Affected Products:

* SUSE Linux Enterprise High Performance Computing 12 SP5

* SUSE Linux Enterprise Server 12 SP5

* SUSE Linux Enterprise Server 12 SP5 LTSS

* SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security

* SUSE Linux Enterprise Server for SAP Applications 12 SP5

An update that solves one vulnerability can now be installed.

##

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:0884-1
Release Date: 2026-03-12T10:20:34Z
Rating: important

Topics%20covered

Topics Covered

security advisory SuSE important header injection python36

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