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SUSE Python39 Important Fix for HTTP Header Injection Threat 2026-0643-1

suse
Calendar Grey February 26, 2026
Dist Suse Esm H88
Update for Python39 addresses six important vulnerabilities in SUSE Linux environments. Install promptly for security improvements.
An update that solves six vulnerabilities can now be installed.

Summary

## This update for python39 fixes the following issues: * CVE-2025-11468: Fixed a header injection when folding a long comment in an email header containing exclusively unfoldable characters. (bsc#1257029) * CVE-2026-0672: Fixed a HTTP header injection via user-controlled cookie values and parameters when using http.cookies.Morsel. (bsc#1257031) * CVE-2026-0865: Fixed a bug where a user-controlled header containing newlines can allow injecting HTTP headers. (bsc#1257042) * CVE-2025-15282: Fixed a bug where a user-controlled data URLs parsed may allow injecting headers. (bsc#1257046) * CVE-2025-15366: Fixed a bug wherer a user-controlled command can allow additional commands injected using newlines. (bsc#1257044) * CVE-2025-15367: Fixed control characters which may allow the injection of

Topics%20covered

Topics Covered

security advisory SuSE security fix important HTTP header injection python39

References

* bsc#1257029

* bsc#1257031

* bsc#1257041

* bsc#1257042

* bsc#1257044

* bsc#1257046

Cross-

* CVE-2025-11468

* CVE-2025-15282

* CVE-2025-15366

* CVE-2025-15367

* CVE-2026-0672

* CVE-2026-0865

CVSS scores:

* CVE-2025-11468 ( SUSE ): 7.1

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

* CVE-2025-11468 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

* CVE-2025-11468 ( NVD ): 5.7

CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:P/VC:N/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

* CVE-2025-15282 ( SUSE ): 5.9

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

* CVE-2025-15282 ( SUSE ): 6.5 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:0643-1
Release Date: 2026-02-25T16:27:58Z
Rating: important

Topics%20covered

Topics Covered

security advisory SuSE security fix important HTTP header injection python39

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