SUSE Linux 12 SP5 Python Essential Header Injection Fix SUSE-SU-2026-0894-1
suse
March 13, 2026
An update that solves one vulnerability can now be installed.
Summary
## This update for python fixes the following issue: * 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-2026-891=1 * SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security zypper in -t patch SUSE-SLE-SERVER-12-SP5-LTSS-EXTENDED-SECURITY-2026-891=1 ## Package List: * SUSE Linux Enterprise Server 12 SP5 LTSS (aarch64 ppc64le s390x x86_64) * python-xml-debuginfo-2.7.18-33.69.1 * python-base-debuginfo-2.7.18-33.69.1
Topics Covered
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.
##
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Severity
important
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Critical
Announcement ID: SUSE-SU-2026:0891-1
Release Date: 2026-03-13T09:04:58Z
Rating: important
Topics Covered
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