SUSE-SU-2025:02968-1: important: Security update for libqt4

Mon Aug 25 08:34:21 UTC 2025

# Security update for libqt4

Announcement ID: SUSE-SU-2025:02968-1  
Release Date: 2025-08-25T06:20:49Z  
Rating: important  
References:

  * bsc#1196654
  * bsc#1211298
  * bsc#1211798
  * bsc#1211994
  * bsc#1213326
  * bsc#1214327
  * bsc#1245609
  * bsc#357727
  * bsc#552218
  * bsc#656144
  * bsc#717127
  * bsc#875470

Cross-References:

  * CVE-2021-45930
  * CVE-2023-32573
  * CVE-2023-32763
  * CVE-2023-34410
  * CVE-2023-37369
  * CVE-2023-38197
  * CVE-2025-5455

CVSS scores:

  * CVE-2021-45930 ( SUSE ):  5.5 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
  * CVE-2021-45930 ( NVD ):  5.5 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
  * CVE-2023-32573 ( SUSE ):  4.4 CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:N/I:N/A:H
  * CVE-2023-32573 ( NVD ):  6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
  * CVE-2023-32573 ( NVD ):  6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
  * CVE-2023-32763 ( SUSE ):  7.8 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
  * CVE-2023-32763 ( NVD ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2023-34410 ( SUSE ):  6.2 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
  * CVE-2023-34410 ( NVD ):  5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
  * CVE-2023-34410 ( NVD ):  5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
  * CVE-2023-37369 ( SUSE ):  5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
  * CVE-2023-37369 ( NVD ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2023-38197 ( SUSE ):  5.5 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
  * CVE-2023-38197 ( NVD ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2025-5455 ( SUSE ):  5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
  * CVE-2025-5455 ( NVD ):  8.4
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:H/VA:H/SC:N/SI:H/SA:H/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:U/V:X/RE:M/U:Clear

Affected Products:

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

An update that solves seven vulnerabilities and has five security fixes can now
be installed.

## Description:

This update for libqt4 fixes the following issues:

  * CVE-2021-45930: Fixed out-of-bounds write leading to DoS (bsc#1196654)
  * CVE-2023-32573: Fixed missing initialization of QtSvg QSvgFont m_unitsPerEm
    (bsc#1211298)
  * CVE-2023-32763: Fixed buffer overflow on QTextLayout during rendering of an
    SVG file with an image inside (bsc#1211798)
  * CVE-2023-34410: Fixed certificate validation not always considering whether
    the root of a chain is a configured CA certificate (bsc#1211994)
  * CVE-2023-37369: Fixed buffer overflow in QXmlStreamReader (bsc#1214327)
  * CVE-2023-38197: Fixed infinite loops in QXmlStreamReader (bsc#1213326)
  * CVE-2025-5455: Fixed denial of service when qDecodeDataUrl() is called with
    malformed data and assertions are enabled (bsc#1245609)

## 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 Extended Security  
    zypper in -t patch SUSE-SLE-SERVER-12-SP5-LTSS-EXTENDED-SECURITY-2025-2968=1

## Package List:

  * SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security (x86_64)
    * libqt4-devel-doc-debugsource-4.8.7-8.22.1
    * libqt4-sql-debuginfo-4.8.7-8.22.1
    * libqt4-sql-plugins-debugsource-4.8.7-8.22.1
    * libqt4-devel-debuginfo-4.8.7-8.22.1
    * libqt4-4.8.7-8.22.1
    * libqt4-devel-doc-4.8.7-8.22.1
    * libqt4-sql-4.8.7-8.22.1
    * libqt4-sql-sqlite-4.8.7-8.22.1
    * libqt4-32bit-4.8.7-8.22.1
    * libqt4-qt3support-4.8.7-8.22.1
    * libqt4-x11-debuginfo-32bit-4.8.7-8.22.1
    * libqt4-x11-debuginfo-4.8.7-8.22.1
    * libqt4-sql-sqlite-debuginfo-4.8.7-8.22.1
    * libqt4-qt3support-32bit-4.8.7-8.22.1
    * libqt4-qt3support-debuginfo-4.8.7-8.22.1
    * qt4-x11-tools-4.8.7-8.22.1
    * libqt4-devel-doc-debuginfo-4.8.7-8.22.1
    * libqt4-qt3support-debuginfo-32bit-4.8.7-8.22.1
    * libqt4-sql-debuginfo-32bit-4.8.7-8.22.1
    * libqt4-sql-mysql-4.8.7-8.22.1
    * libqt4-x11-4.8.7-8.22.1
    * libqt4-devel-4.8.7-8.22.1
    * libqt4-sql-mysql-debuginfo-4.8.7-8.22.1
    * qt4-x11-tools-debuginfo-4.8.7-8.22.1
    * libqt4-debugsource-4.8.7-8.22.1
    * libqt4-x11-32bit-4.8.7-8.22.1
    * libqt4-debuginfo-4.8.7-8.22.1
    * libqt4-debuginfo-32bit-4.8.7-8.22.1
    * libqt4-private-headers-devel-4.8.7-8.22.1
    * libqt4-sql-32bit-4.8.7-8.22.1
  * SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security (noarch)
    * libqt4-devel-doc-data-4.8.7-8.22.1

## References:

  * https://www.suse.com/security/cve/CVE-2021-45930.html
  * https://www.suse.com/security/cve/CVE-2023-32573.html
  * https://www.suse.com/security/cve/CVE-2023-32763.html
  * https://www.suse.com/security/cve/CVE-2023-34410.html
  * https://www.suse.com/security/cve/CVE-2023-37369.html
  * https://www.suse.com/security/cve/CVE-2023-38197.html
  * https://www.suse.com/security/cve/CVE-2025-5455.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1196654
  * https://bugzilla.suse.com/show_bug.cgi?id=1211298
  * https://bugzilla.suse.com/show_bug.cgi?id=1211798
  * https://bugzilla.suse.com/show_bug.cgi?id=1211994
  * https://bugzilla.suse.com/show_bug.cgi?id=1213326
  * https://bugzilla.suse.com/show_bug.cgi?id=1214327
  * https://bugzilla.suse.com/show_bug.cgi?id=1245609
  * https://bugzilla.suse.com/show_bug.cgi?id=357727
  * https://bugzilla.suse.com/show_bug.cgi?id=552218
  * https://bugzilla.suse.com/show_bug.cgi?id=656144
  * https://bugzilla.suse.com/show_bug.cgi?id=717127
  * https://bugzilla.suse.com/show_bug.cgi?id=875470

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