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SUSE 15 SP7 Python Important Header Injection Fix CVE-2026-1299

suse
Calendar Grey March 12, 2026
Dist Suse Esm H88
One important patch for python addresses header injection vulnerability on SUSE systems. Timely updates are advised.
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: * openSUSE Leap 15.6 zypper in -t patch openSUSE-SLE-15.6-2026-873=1 * SUSE Package Hub 15 15-SP7 zypper in -t patch SUSE-SLE-Module-Packagehub-Subpackages-15-SP7-2026-873=1 ## Package List: * openSUSE Leap 15.6 (aarch64 ppc64le s390x x86_64) * python-curses-2.7.18-150000.108.1 * python-gdbm-debuginfo-2.7.18-150000.108.1 * python-base-debuginfo-2.7.18-150000.108.1 * python-devel-2.7.18-150000.108.1

Topics%20covered

Topics Covered

security advisory SuSE threat important python header injection

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:

* openSUSE Leap 15.6

* SUSE Linux Enterprise Desktop 15 SP7

* SUSE Linux Enterprise Real Time 15 SP7

* SUSE Linux Enterprise Server 15 SP7

* SUSE Linux Enterprise Server for SAP Applications 15 SP7

* SUSE Package Hub 15 15-SP7

An update that solves one vulnerability can now be installed.

##

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:0873-1
Release Date: 2026-03-11T17:07:20Z
Rating: important

Topics%20covered

Topics Covered

security advisory SuSE threat important python header injection

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