SUSE-SU-2026:20649-1: important: Security update for libsoup

SLE-UPDATES null at suse.de
Wed Mar 18 20:41:11 UTC 2026 


# Security update for libsoup

Announcement ID: SUSE-SU-2026:20649-1  
Release Date: 2026-03-03T15:01:40Z  
Rating: important  
References:

  * bsc#1240751
  * bsc#1257398
  * bsc#1257440
  * bsc#1257441
  * bsc#1257597
  * bsc#1257598
  * bsc#1258120
  * bsc#1258170
  * bsc#1258508

  
Cross-References:

  * CVE-2025-32049
  * CVE-2026-1467
  * CVE-2026-1536
  * CVE-2026-1539
  * CVE-2026-1760
  * CVE-2026-1761
  * CVE-2026-2369
  * CVE-2026-2443
  * CVE-2026-2708

  
CVSS scores:

  * CVE-2025-32049 ( SUSE ):  7.1
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
  * CVE-2025-32049 ( SUSE ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2025-32049 ( NVD ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  * 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-2026-1536 ( SUSE ):  7.7
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:N/SI:H/SA:N
  * CVE-2026-1536 ( SUSE ):  8.6 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N
  * CVE-2026-1536 ( 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
  * CVE-2026-1760 ( NVD ):  5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
  * CVE-2026-1761 ( SUSE ):  9.2
    CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
  * CVE-2026-1761 ( SUSE ):  8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
  * CVE-2026-1761 ( NVD ):  8.6 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L
  * CVE-2026-2369 ( SUSE ):  6.9
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N
  * CVE-2026-2369 ( SUSE ):  6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L
  * CVE-2026-2443 ( SUSE ):  6.3
    CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
  * CVE-2026-2443 ( SUSE ):  5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
  * CVE-2026-2443 ( NVD ):  5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
  * CVE-2026-2708 ( 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-2026-2708 ( SUSE ):  8.2 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N

  
Affected Products:

  * SUSE Linux Micro 6.1

  
  
An update that solves nine vulnerabilities can now be installed.

## Description:

This update for libsoup fixes the following issues:

  * CVE-2025-32049: denial of service attack to websocket server (bsc#1240751).
  * CVE-2026-1467: lack of input sanitization can lead to unintended or
    unauthorized HTTP requests (bsc#1257398).
  * CVE-2026-1536: HTTP header injection or response splitting via CRLF
    injection in the Content-Disposition header (bsc#1257440).
  * 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).
  * CVE-2026-1761: incorrect length calculation when parsing of multipart HTTP
    responses can lead to a stack-based buffer overflow (bsc#1257598).
  * CVE-2026-2369: buffer overread due to integer underflow when handling zero-
    length resources (bsc#1258120).
  * CVE-2026-2443: out-of-bounds read when processing specially crafted HTTP
    Range headers can lead to heap information disclosure to remote attackers
    (bsc#1258170).
  * CVE-2026-2708: HTTP request smuggling via duplicate Content-Length headers
    (bsc#1258508).

## 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 6.1  
    zypper in -t patch SUSE-SLE-Micro-6.1-420=1

## Package List:

  * SUSE Linux Micro 6.1 (aarch64 ppc64le s390x x86_64)
    * libsoup-debugsource-3.4.4-slfo.1.1_7.1
    * libsoup-3_0-0-3.4.4-slfo.1.1_7.1
    * libsoup-3_0-0-debuginfo-3.4.4-slfo.1.1_7.1

## References:

  * https://www.suse.com/security/cve/CVE-2025-32049.html
  * https://www.suse.com/security/cve/CVE-2026-1467.html
  * https://www.suse.com/security/cve/CVE-2026-1536.html
  * https://www.suse.com/security/cve/CVE-2026-1539.html
  * https://www.suse.com/security/cve/CVE-2026-1760.html
  * https://www.suse.com/security/cve/CVE-2026-1761.html
  * https://www.suse.com/security/cve/CVE-2026-2369.html
  * https://www.suse.com/security/cve/CVE-2026-2443.html
  * https://www.suse.com/security/cve/CVE-2026-2708.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1240751
  * https://bugzilla.suse.com/show_bug.cgi?id=1257398
  * https://bugzilla.suse.com/show_bug.cgi?id=1257440
  * https://bugzilla.suse.com/show_bug.cgi?id=1257441
  * https://bugzilla.suse.com/show_bug.cgi?id=1257597
  * https://bugzilla.suse.com/show_bug.cgi?id=1257598
  * https://bugzilla.suse.com/show_bug.cgi?id=1258120
  * https://bugzilla.suse.com/show_bug.cgi?id=1258170
  * https://bugzilla.suse.com/show_bug.cgi?id=1258508

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