SUSE alert SUSE-SU-2026:20902-1 (libsoup)

From:
             
 
SLE-SECURITY-UPDATES <null@suse.de>
To:
             
 
sle-security-updates@lists.suse.com
Subject:
             
 
SUSE-SU-2026:20902-1: important: Security update for libsoup
Date:
             
 
Wed, 01 Apr 2026 12:41:23 -0000
Message-ID:
             
 
<177504728370.568.6953321175137932216@634a8d224e68>


# Security update for libsoup

Announcement ID: SUSE-SU-2026:20902-1  
Release Date: 2026-03-18T10:01:12Z  
Rating: important  
References:

  * bsc#1240751
  * bsc#1252555
  * bsc#1254876
  * bsc#1257398
  * bsc#1257441
  * bsc#1257597
  * bsc#1258120
  * bsc#1258170
  * bsc#1258508

  
Cross-References:

  * CVE-2025-12105
  * CVE-2025-14523
  * CVE-2025-32049
  * CVE-2026-1467
  * CVE-2026-1539
  * CVE-2026-1760
  * CVE-2026-2369
  * CVE-2026-2443
  * CVE-2026-2708

  
CVSS scores:

  * CVE-2025-12105 ( SUSE ):  8.8
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N
  * CVE-2025-12105 ( SUSE ):  8.6 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H
  * CVE-2025-12105 ( NVD ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2025-14523 ( 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-2025-14523 ( SUSE ):  8.2 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N
  * CVE-2025-14523 ( NVD ):  8.2 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N
  * 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-2026-1467 ( NVD ):  5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/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-2026-1539 ( 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-2026-2369 ( 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-2026-2369 ( NVD ):  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-2026-2443 ( 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 Enterprise Server - BCI 16.0

  
  
An update that solves nine vulnerabilities can now be installed.

## Description:

This update for libsoup fixes the following issues:

Update to libsoup 3.6.6:

  * CVE-2025-12105: heap use-after-free in message queue handling during HTTP/2
    read completion (bsc#1252555).
  * CVE-2025-14523: Duplicate Host Header Handling Causes Host-Parsing
    Discrepancy (bsc#1254876).
  * 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-2026-1539: 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-2026-2369: 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).

Changelog:

  * websocket: Fix out-of-bounds read in process_frame
  * Check nulls returned by soup_date_time_new_from_http_string()
  * Numerous fixes to handling of Range headers
  * server: close the connection after responsing a request containing Content-
    Length and Transfer-Encoding
  * Use CRLF as line boundary when parsing chunked enconding data
  * websocket: do not accept messages frames after closing due to an error
  * Sanitize filename of content disposition header values
  * Always validate the headers value when coming from untrusted source
  * uri-utils: do host validation when checking if a GUri is valid
  * multipart: check length of bytes read soup_filter_input_stream_read_until()
  * message-headers: Reject duplicate Host headers
  * server: null-check soup_date_time_to_string()
  * auth-digest: fix crash in soup_auth_digest_get_protection_space()
  * session: fix 'heap-use-after-free' caused by 'finishing' queue item twice
  * cookies: Avoid expires attribute if date is invalid
  * http1: Set EOF flag once content-length bytes have been read
  * date-utils: Add value checks for date/time parsing
  * multipart: Fix multiple boundry limits
  * Fixed multiple possible memory leaks
  * message-headers: Correct merge of ranges
  * body-input-stream: Correct chunked trailers end detection
  * server-http2: Correctly validate URIs
  * multipart: Fix read out of buffer bounds under
    soup_multipart_new_from_message()
  * headers: Ensure Request-Line comprises entire first line
  * tests: Fix MSVC build error
  * Fix possible deadlock on init from gmodule usage
  * Updated translations.

## 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 - BCI 16.0  
    zypper in -t patch SUSE-SLES-16.0-402=1

## Package List:

  * SUSE Linux Enterprise Server - BCI 16.0 (aarch64 ppc64le s390x x86_64)
    * libsoup-3_0-0-debuginfo-3.6.6-160000.1.1
    * libsoup-debugsource-3.6.6-160000.1.1
    * libsoup-devel-3.6.6-160000.1.1
    * libsoup-3_0-0-3.6.6-160000.1.1
    * typelib-1_0-Soup-3_0-3.6.6-160000.1.1
  * SUSE Linux Enterprise Server - BCI 16.0 (noarch)
    * libsoup-lang-3.6.6-160000.1.1

## References:

  * https://www.suse.com/security/cve/CVE-2025-12105.html
  * https://www.suse.com/security/cve/CVE-2025-14523.html
  * 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-2026-1539.html
  * https://www.suse.com/security/cve/CVE-2026-1760.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=1252555
  * https://bugzilla.suse.com/show_bug.cgi?id=1254876
  * https://bugzilla.suse.com/show_bug.cgi?id=1257398
  * 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=1258120
  * https://bugzilla.suse.com/show_bug.cgi?id=1258170
  * https://bugzilla.suse.com/show_bug.cgi?id=1258508



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