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SUSE 2026 libsoup Important DoS and Input Sanitization Issues 20727-1

suse
Calendar Grey March 23, 2026
Dist Suse Esm H88
Update for libsoup addresses three important vulnerabilities related to HTTP requests and security issues in SUSE.
An update that solves three vulnerabilities can now be installed.

Summary

## This update for libsoup fixes the following issues: * CVE-2026-1467: lack of input sanitization can lead to unintended or unauthorized HTTP requests (bsc#1257398). * CVE-2026-1539: proxy authentication credentials leaked via the Proxy- Authorization header when handling HTTP redirects (bsc#1257441). * CVE-2026-1760: improper handling of HTTP requests combining certain headers by SoupServer can lead to HTTP request smuggling and potential DoS (bsc#1257597). ## 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 Micro 6.0 zypper in -t patch SUSE-SLE-Micro-6.0-620=1 ## Package List: * SUSE Linux Micro 6.0 (aarch64 s390x x86_64)

Topics%20covered

Topics Covered

security advisory denial of service SuSE important libsoup http request smuggling

References

* bsc#1257398

* bsc#1257441

* bsc#1257597

Cross-

* CVE-2026-1467

* CVE-2026-1539

* CVE-2026-1760

CVSS scores:

* CVE-2026-1467 ( SUSE ): 5.3

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

* CVE-2026-1467 ( SUSE ): 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

* CVE-2026-1467 ( NVD ): 5.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N

* CVE-2026-1539 ( SUSE ): 6.9

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

* CVE-2026-1539 ( SUSE ): 5.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N

* CVE-2026-1539 ( NVD ): 5.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N

* CVE-2026-1760 ( SUSE ): 8.8

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

* CVE-2026-1760 ( SUSE ): 8.6 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:20727-1
Release Date: 2026-03-13T08:58:16Z
Rating: important

Topics%20covered

Topics Covered

security advisory denial of service SuSE important libsoup http request smuggling

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