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SUSE alert SUSE-SU-2026:1139-1 (webkit2gtk3)



From:
              SLE-SECURITY-UPDATES <null@suse.de>


To:
              sle-security-updates@lists.suse.com


Subject:
              SUSE-SU-2026:1139-1: important: Security update for webkit2gtk3


Date:
              Mon, 30 Mar 2026 16:32:11 -0000


Message-ID:
              <177488833188.1737.5354124792706636470@2749a1366518>




# Security update for webkit2gtk3

Announcement ID: SUSE-SU-2026:1139-1  
Release Date: 2026-03-30T09:14:01Z  
Rating: important  
References:

  * bsc#1259934
  * bsc#1259935
  * bsc#1259936
  * bsc#1259937
  * bsc#1259938
  * bsc#1259939
  * bsc#1259940
  * bsc#1259941
  * bsc#1259942
  * bsc#1259943
  * bsc#1259944
  * bsc#1259945
  * bsc#1259946
  * bsc#1259947
  * bsc#1259948
  * bsc#1259949
  * bsc#1259950

  
Cross-References:

  * CVE-2023-42843
  * CVE-2023-43010
  * CVE-2024-54658
  * CVE-2025-13502
  * CVE-2025-31223
  * CVE-2025-31277
  * CVE-2025-43213
  * CVE-2025-43214
  * CVE-2025-43368
  * CVE-2025-43419
  * CVE-2025-43433
  * CVE-2025-43434
  * CVE-2025-43438
  * CVE-2025-43440
  * CVE-2025-43441
  * CVE-2025-43443
  * CVE-2025-43457
  * CVE-2025-43511
  * CVE-2025-46299
  * CVE-2026-20608
  * CVE-2026-20635
  * CVE-2026-20636
  * CVE-2026-20644
  * CVE-2026-20652
  * CVE-2026-20676

  
CVSS scores:

  * CVE-2023-42843 ( SUSE ):  5.4 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
  * CVE-2023-42843 ( NVD ):  7.5 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
  * CVE-2023-42843 ( NVD ):  4.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
  * CVE-2023-43010 ( SUSE ):  8.7
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
  * CVE-2023-43010 ( SUSE ):  8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
  * CVE-2023-43010 ( NVD ):  8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
  * CVE-2024-54658 ( 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-2024-54658 ( SUSE ):  6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
  * CVE-2024-54658 ( NVD ):  6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
  * CVE-2024-54658 ( NVD ):  6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
  * CVE-2025-13502 ( SUSE ):  8.7
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
  * CVE-2025-13502 ( SUSE ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2025-13502 ( NVD ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2025-31223 ( SUSE ):  8.7
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
  * CVE-2025-31223 ( SUSE ):  8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
  * CVE-2025-31223 ( NVD ):  8.0 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
  * CVE-2025-31277 ( SUSE ):  8.7
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
  * CVE-2025-31277 ( SUSE ):  8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
  * CVE-2025-31277 ( NVD ):  8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
  * CVE-2025-43213 ( SUSE ):  6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
  * CVE-2025-43213 ( NVD ):  6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
  * CVE-2025-43214 ( SUSE ):  8.7
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
  * CVE-2025-43214 ( SUSE ):  8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
  * CVE-2025-43214 ( NVD ):  6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
  * CVE-2025-43368 ( SUSE ):  4.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
  * CVE-2025-43368 ( NVD ):  4.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
  * CVE-2025-43419 ( SUSE ):  8.5
    CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
  * CVE-2025-43419 ( SUSE ):  8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
  * CVE-2025-43419 ( NVD ):  8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
  * CVE-2025-43433 ( SUSE ):  8.7
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
  * CVE-2025-43433 ( SUSE ):  8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
  * CVE-2025-43433 ( NVD ):  8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
  * CVE-2025-43434 ( SUSE ):  5.3
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
  * CVE-2025-43434 ( SUSE ):  4.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
  * CVE-2025-43434 ( NVD ):  4.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
  * CVE-2025-43438 ( SUSE ):  8.7
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
  * CVE-2025-43438 ( SUSE ):  8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
  * CVE-2025-43438 ( NVD ):  4.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
  * CVE-2025-43440 ( 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-2025-43440 ( SUSE ):  6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
  * CVE-2025-43440 ( NVD ):  6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
  * CVE-2025-43441 ( 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-2025-43441 ( SUSE ):  6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
  * CVE-2025-43441 ( NVD ):  4.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
  * CVE-2025-43443 ( SUSE ):  5.3
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
  * CVE-2025-43443 ( SUSE ):  4.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
  * CVE-2025-43443 ( NVD ):  4.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
  * CVE-2025-43457 ( SUSE ):  8.7
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
  * CVE-2025-43457 ( SUSE ):  8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
  * CVE-2025-43457 ( NVD ):  6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
  * CVE-2025-43511 ( SUSE ):  8.7
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
  * CVE-2025-43511 ( SUSE ):  8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
  * CVE-2025-43511 ( NVD ):  6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
  * CVE-2025-46299 ( SUSE ):  5.3
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
  * CVE-2025-46299 ( SUSE ):  4.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
  * CVE-2025-46299 ( NVD ):  4.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
  * CVE-2026-20608 ( 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-2026-20608 ( SUSE ):  6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
  * CVE-2026-20608 ( NVD ):  5.5 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
  * CVE-2026-20635 ( 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-2026-20635 ( SUSE ):  6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
  * CVE-2026-20635 ( NVD ):  4.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
  * CVE-2026-20636 ( 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-2026-20636 ( SUSE ):  6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
  * CVE-2026-20636 ( NVD ):  6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
  * CVE-2026-20644 ( 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-2026-20644 ( SUSE ):  6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
  * CVE-2026-20644 ( NVD ):  6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
  * CVE-2026-20652 ( SUSE ):  8.7
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
  * CVE-2026-20652 ( SUSE ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2026-20652 ( NVD ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2026-20652 ( NVD ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2026-20676 ( SUSE ):  6.9
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
  * CVE-2026-20676 ( SUSE ):  5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
  * CVE-2026-20676 ( NVD ):  5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
  * CVE-2026-20676 ( NVD ):  4.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N

  
Affected Products:

  * SUSE Linux Enterprise High Performance Computing 12 SP5
  * SUSE Linux Enterprise Server 12 SP5
  * SUSE Linux Enterprise Server 12 SP5 LTSS
  * SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security
  * SUSE Linux Enterprise Server for SAP Applications 12 SP5

  
  
An update that solves 25 vulnerabilities can now be installed.

## Description:

This update for webkit2gtk3 fixes the following issues:

Update to version 2.52.0:

  * CVE-2023-43010: processing maliciously crafted web content may lead to
    memory corruption (bsc#1259950).
  * CVE-2025-31223: processing maliciously crafted web content may lead to
    memory corruption (bsc#1259949).
  * CVE-2025-31277: processing maliciously crafted web content may lead to
    memory corruption (bsc#1259948).
  * CVE-2025-43213: processing maliciously crafted web content may lead to an
    unexpected crash (bsc#1259947).
  * CVE-2025-43214: processing maliciously crafted web content may lead to an
    unexpected crash (bsc#1259946).
  * CVE-2025-43433: processing maliciously crafted web content may lead to
    memory corruption (bsc#1259945).
  * CVE-2025-43438: processing maliciously crafted web content may lead to an
    unexpected crash (bsc#1259944).
  * CVE-2025-43441: processing maliciously crafted web content may lead to an
    unexpected process crash (bsc#1259943).
  * CVE-2025-43457: processing maliciously crafted web content may lead to an
    unexpected crash (bsc#1259942).
  * CVE-2025-43511: processing maliciously crafted web content may lead to an
    unexpected process crash (bsc#1259941).
  * CVE-2025-46299: processing maliciously crafted web content may disclose
    internal states of an app (bsc#1259940).
  * CVE-2026-20608: processing maliciously crafted web content may lead to an
    unexpected process crash (bsc#1259939).
  * CVE-2026-20635: processing maliciously crafted web content may lead to an
    unexpected process crash (bsc#1259938).
  * CVE-2026-20636: processing maliciously crafted web content may lead to an
    unexpected process crash (bsc#1259937).
  * CVE-2026-20644: processing maliciously crafted web content may lead to an
    unexpected process crash (bsc#1259936).
  * CVE-2026-20652: a remote attacker may be able to cause a denial-of-service
    (bsc#1259935).
  * CVE-2026-20676: a website may be able to track users through web extensions
    (bsc#1259934).

Changelog:

  * Make scrolling with touch input smoother for small movements.
  * Fix estimated load progress of downloads when Content-Length value is wrong.
  * Ensure that "scrollend" events are correctly emitted after scroll
    animations.
  * Fix several crashes and rendering issues.

## 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 12 SP5 LTSS  
    zypper in -t patch SUSE-SLE-SERVER-12-SP5-LTSS-2026-1139=1

  * SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security  
    zypper in -t patch SUSE-SLE-SERVER-12-SP5-LTSS-EXTENDED-SECURITY-2026-1139=1

## Package List:

  * SUSE Linux Enterprise Server 12 SP5 LTSS (aarch64 ppc64le s390x x86_64)
    * libwebkit2gtk-4_0-37-debuginfo-2.52.0-4.54.1
    * libjavascriptcoregtk-4_0-18-debuginfo-2.52.0-4.54.1
    * typelib-1_0-WebKit2WebExtension-4_0-2.52.0-4.54.1
    * typelib-1_0-JavaScriptCore-4_0-2.52.0-4.54.1
    * webkit2gtk3-debugsource-2.52.0-4.54.1
    * libjavascriptcoregtk-4_0-18-2.52.0-4.54.1
    * webkit2gtk-4_0-injected-bundles-2.52.0-4.54.1
    * typelib-1_0-WebKit2-4_0-2.52.0-4.54.1
    * libwebkit2gtk-4_0-37-2.52.0-4.54.1
    * webkit2gtk3-devel-2.52.0-4.54.1
  * SUSE Linux Enterprise Server 12 SP5 LTSS (noarch)
    * libwebkit2gtk3-lang-2.52.0-4.54.1
  * SUSE Linux Enterprise Server 12 SP5 LTSS (ppc64le s390x x86_64)
    * webkit2gtk-4_0-injected-bundles-debuginfo-2.52.0-4.54.1
  * SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security (x86_64)
    * libwebkit2gtk-4_0-37-debuginfo-2.52.0-4.54.1
    * libjavascriptcoregtk-4_0-18-debuginfo-2.52.0-4.54.1
    * typelib-1_0-WebKit2WebExtension-4_0-2.52.0-4.54.1
    * webkit2gtk-4_0-injected-bundles-debuginfo-2.52.0-4.54.1
    * typelib-1_0-JavaScriptCore-4_0-2.52.0-4.54.1
    * webkit2gtk3-debugsource-2.52.0-4.54.1
    * libjavascriptcoregtk-4_0-18-2.52.0-4.54.1
    * webkit2gtk-4_0-injected-bundles-2.52.0-4.54.1
    * typelib-1_0-WebKit2-4_0-2.52.0-4.54.1
    * libwebkit2gtk-4_0-37-2.52.0-4.54.1
    * webkit2gtk3-devel-2.52.0-4.54.1
  * SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security (noarch)
    * libwebkit2gtk3-lang-2.52.0-4.54.1

## References:

  * https://www.suse.com/security/cve/CVE-2023-42843.html
  * https://www.suse.com/security/cve/CVE-2023-43010.html
  * https://www.suse.com/security/cve/CVE-2024-54658.html
  * https://www.suse.com/security/cve/CVE-2025-13502.html
  * https://www.suse.com/security/cve/CVE-2025-31223.html
  * https://www.suse.com/security/cve/CVE-2025-31277.html
  * https://www.suse.com/security/cve/CVE-2025-43213.html
  * https://www.suse.com/security/cve/CVE-2025-43214.html
  * https://www.suse.com/security/cve/CVE-2025-43368.html
  * https://www.suse.com/security/cve/CVE-2025-43419.html
  * https://www.suse.com/security/cve/CVE-2025-43433.html
  * https://www.suse.com/security/cve/CVE-2025-43434.html
  * https://www.suse.com/security/cve/CVE-2025-43438.html
  * https://www.suse.com/security/cve/CVE-2025-43440.html
  * https://www.suse.com/security/cve/CVE-2025-43441.html
  * https://www.suse.com/security/cve/CVE-2025-43443.html
  * https://www.suse.com/security/cve/CVE-2025-43457.html
  * https://www.suse.com/security/cve/CVE-2025-43511.html
  * https://www.suse.com/security/cve/CVE-2025-46299.html
  * https://www.suse.com/security/cve/CVE-2026-20608.html
  * https://www.suse.com/security/cve/CVE-2026-20635.html
  * https://www.suse.com/security/cve/CVE-2026-20636.html
  * https://www.suse.com/security/cve/CVE-2026-20644.html
  * https://www.suse.com/security/cve/CVE-2026-20652.html
  * https://www.suse.com/security/cve/CVE-2026-20676.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1259934
  * https://bugzilla.suse.com/show_bug.cgi?id=1259935
  * https://bugzilla.suse.com/show_bug.cgi?id=1259936
  * https://bugzilla.suse.com/show_bug.cgi?id=1259937
  * https://bugzilla.suse.com/show_bug.cgi?id=1259938
  * https://bugzilla.suse.com/show_bug.cgi?id=1259939
  * https://bugzilla.suse.com/show_bug.cgi?id=1259940
  * https://bugzilla.suse.com/show_bug.cgi?id=1259941
  * https://bugzilla.suse.com/show_bug.cgi?id=1259942
  * https://bugzilla.suse.com/show_bug.cgi?id=1259943
  * https://bugzilla.suse.com/show_bug.cgi?id=1259944
  * https://bugzilla.suse.com/show_bug.cgi?id=1259945
  * https://bugzilla.suse.com/show_bug.cgi?id=1259946
  * https://bugzilla.suse.com/show_bug.cgi?id=1259947
  * https://bugzilla.suse.com/show_bug.cgi?id=1259948
  * https://bugzilla.suse.com/show_bug.cgi?id=1259949
  * https://bugzilla.suse.com/show_bug.cgi?id=1259950





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