Upstream information

CVE-2025-5991 at MITRE

Description

There is a "Use After Free" vulnerability in Qt's QHttp2ProtocolHandler in the QtNetwork module. This only affects HTTP/2 handling, HTTP handling is not affected by this at all. This happens due to a race condition between how QHttp2Stream uploads the body of a
POST request and the simultaneous handling of HTTP error responses.

This issue only affects Qt 6.9.0 and has been fixed for Qt 6.9.1.

SUSE information

Overall state of this security issue: Revisit

This issue is currently rated as having moderate severity.

CVSS v3 Scores
  SUSE
Base Score 5.6
Vector CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
Attack Vector Network
Attack Complexity High
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Impact Low
Integrity Impact Low
Availability Impact Low
CVSSv3 Version 3.1
CVSS v4 Scores
  CNA (TQtC) SUSE
Base Score 2.1 6.3
Vector CVSS:4.0/AV:L/AC:H/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:L/SI:L/SA:L/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:X/V:X/RE:X/U:X CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N
Attack Vector Local Network
Attack Complexity High High
Attack Requirements None None
Privileges Required None None
User Interaction None None
Vulnerable System Confidentiality Impact Low Low
Vulnerable System Integrity Impact Low Low
Vulnerable System Availability Impact Low Low
Subsequent System Confidentiality Impact Low None
Subsequent System Integrity Impact Low None
Subsequent System Availability Impact Low None
CVSSv4 Version 4.0 4.0
SUSE Bugzilla entry: 1244454 [NEW]

No SUSE Security Announcements cross referenced.


Status of this issue by product and package

Please note that this evaluation state might be work in progress, incomplete or outdated. Also information for service packs in the LTSS phase is only included for issues meeting the LTSS criteria. If in doubt, feel free to contact us for clarification. The updates are grouped by state of their lifecycle. SUSE product lifecycles are documented on the lifecycle page.

Product(s) Source package State
Products under general support and receiving all security fixes.
SUSE Linux Enterprise Desktop 15 SP6 libqt5-qtbase Affected
SUSE Linux Enterprise Desktop 15 SP6 qt6-base Affected
SUSE Linux Enterprise Desktop 15 SP7 libqt5-qtbase Affected
SUSE Linux Enterprise Desktop 15 SP7 qt6-base Affected
SUSE Linux Enterprise High Performance Computing 15 SP6 libqt5-qtbase Affected
SUSE Linux Enterprise High Performance Computing 15 SP6 qt6-base Affected
SUSE Linux Enterprise High Performance Computing 15 SP7 libqt5-qtbase Affected
SUSE Linux Enterprise High Performance Computing 15 SP7 qt6-base Affected
SUSE Linux Enterprise Module for Basesystem 15 SP6 libqt5-qtbase Affected
SUSE Linux Enterprise Module for Basesystem 15 SP7 libqt5-qtbase Affected
SUSE Linux Enterprise Module for Desktop Applications 15 SP6 libqt5-qtbase Affected
SUSE Linux Enterprise Module for Desktop Applications 15 SP6 qt6-base Affected
SUSE Linux Enterprise Module for Desktop Applications 15 SP7 libqt5-qtbase Affected
SUSE Linux Enterprise Module for Desktop Applications 15 SP7 qt6-base Affected
SUSE Linux Enterprise Module for Package Hub 15 SP5 qt6-base Affected
SUSE Linux Enterprise Module for Package Hub 15 SP6 qt6-base Affected
SUSE Linux Enterprise Module for Package Hub 15 SP7 qt6-base Affected
SUSE Linux Enterprise Server 15 SP6 libqt5-qtbase Affected
SUSE Linux Enterprise Server 15 SP6 qt6-base Affected
SUSE Linux Enterprise Server 15 SP7 libqt5-qtbase Affected
SUSE Linux Enterprise Server 15 SP7 qt6-base Affected
SUSE Linux Enterprise Server 16.0 qt6-base Analysis
SUSE Linux Enterprise Server for SAP Applications 15 SP6 libqt5-qtbase Affected
SUSE Linux Enterprise Server for SAP Applications 15 SP6 qt6-base Affected
SUSE Linux Enterprise Server for SAP Applications 15 SP7 libqt5-qtbase Affected
SUSE Linux Enterprise Server for SAP Applications 15 SP7 qt6-base Affected
SUSE Linux Enterprise Server for SAP Applications 16.0 qt6-base Analysis
openSUSE Leap 15.6 libqt5-qtbase Affected
openSUSE Leap 15.6 qt6-base Affected
Products under Long Term Service Pack support and receiving important and critical security fixes.
SUSE Linux Enterprise High Performance Computing 15 SP3 libqt5-qtbase Affected
SUSE Linux Enterprise High Performance Computing 15 SP3-ESPOS libqt5-qtbase Affected
SUSE Linux Enterprise High Performance Computing 15 SP3-LTSS libqt5-qtbase Affected
SUSE Linux Enterprise High Performance Computing 15 SP4 libqt5-qtbase Affected
SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS libqt5-qtbase Affected
SUSE Linux Enterprise High Performance Computing 15 SP5 libqt5-qtbase Affected
SUSE Linux Enterprise High Performance Computing 15 SP5 qt6-base Affected
SUSE Linux Enterprise High Performance Computing 15 SP5-ESPOS libqt5-qtbase Affected
SUSE Linux Enterprise High Performance Computing 15 SP5-ESPOS qt6-base Affected
SUSE Linux Enterprise High Performance Computing 15 SP5-LTSS libqt5-qtbase Affected
SUSE Linux Enterprise High Performance Computing 15 SP5-LTSS qt6-base Affected
SUSE Linux Enterprise Module for Basesystem 15 SP3 libqt5-qtbase Affected
SUSE Linux Enterprise Module for Basesystem 15 SP4 libqt5-qtbase Affected
SUSE Linux Enterprise Module for Basesystem 15 SP5 libqt5-qtbase Affected
SUSE Linux Enterprise Module for Desktop Applications 15 SP3 libqt5-qtbase Affected
SUSE Linux Enterprise Module for Desktop Applications 15 SP4 libqt5-qtbase Affected
SUSE Linux Enterprise Module for Desktop Applications 15 SP5 libqt5-qtbase Affected
SUSE Linux Enterprise Module for Desktop Applications 15 SP5 qt6-base Affected
SUSE Linux Enterprise Server 12 SP5 libqt4 Not affected
SUSE Linux Enterprise Server 12 SP5 libqt5-qtbase Affected
SUSE Linux Enterprise Server 12 SP5-LTSS libqt4 Not affected
SUSE Linux Enterprise Server 12 SP5-LTSS libqt5-qtbase Affected
SUSE Linux Enterprise Server 12 SP5-LTSS Extended Security libqt4 Not affected
SUSE Linux Enterprise Server 12 SP5-LTSS Extended Security libqt5-qtbase Affected
SUSE Linux Enterprise Server 15 SP3 libqt5-qtbase Affected
SUSE Linux Enterprise Server 15 SP3-LTSS libqt5-qtbase Affected
SUSE Linux Enterprise Server 15 SP4 libqt5-qtbase Affected
SUSE Linux Enterprise Server 15 SP4-LTSS libqt5-qtbase Affected
SUSE Linux Enterprise Server 15 SP5 libqt5-qtbase Affected
SUSE Linux Enterprise Server 15 SP5 qt6-base Affected
SUSE Linux Enterprise Server 15 SP5-LTSS libqt5-qtbase Affected
SUSE Linux Enterprise Server 15 SP5-LTSS qt6-base Affected
SUSE Linux Enterprise Server LTSS Extended Security 12 SP5 libqt4 Not affected
SUSE Linux Enterprise Server LTSS Extended Security 12 SP5 libqt5-qtbase Affected
SUSE Linux Enterprise Server for SAP Applications 12 SP5 libqt4 Not affected
SUSE Linux Enterprise Server for SAP Applications 12 SP5 libqt5-qtbase Affected
SUSE Manager Proxy 4.3 libqt5-qtbase Affected
SUSE Manager Proxy LTS 4.3 libqt5-qtbase Affected
SUSE Manager Retail Branch Server 4.3 libqt5-qtbase Affected
SUSE Manager Retail Branch Server LTS 4.3 libqt5-qtbase Affected
SUSE Manager Server 4.3 libqt5-qtbase Affected
SUSE Manager Server LTS 4.3 libqt5-qtbase Affected
Products past their end of life and not receiving proactive updates anymore.
HPE Helion OpenStack 8 libqt4 Not affected
HPE Helion OpenStack 8 libqt5-qtbase Affected
SUSE CaaS Platform 4.0 libqt5-qtbase Affected
SUSE Enterprise Storage 6 libqt5-qtbase Affected
SUSE Enterprise Storage 7 libqt5-qtbase Affected
SUSE Enterprise Storage 7.1 libqt5-qtbase Affected
SUSE Linux Enterprise Desktop 11 SP2 qt3 Not affected
SUSE Linux Enterprise Desktop 11 SP3 libqt4 Not affected
SUSE Linux Enterprise Desktop 11 SP3 qt3 Not affected
SUSE Linux Enterprise Desktop 11 SP4 libqt4 Not affected
SUSE Linux Enterprise Desktop 11 SP4 qt3 Not affected
SUSE Linux Enterprise Desktop 12 libqt4 Not affected
SUSE Linux Enterprise Desktop 12 SP1 libqt4 Not affected
SUSE Linux Enterprise Desktop 12 SP2 libqt4 Not affected
SUSE Linux Enterprise Desktop 12 SP2 libqt5-qtbase Affected
SUSE Linux Enterprise Desktop 12 SP3 libqt4 Not affected
SUSE Linux Enterprise Desktop 12 SP3 libqt5-qtbase Affected
SUSE Linux Enterprise Desktop 12 SP4 libqt4 Not affected
SUSE Linux Enterprise Desktop 12 SP4 libqt5-qtbase Affected
SUSE Linux Enterprise Desktop 15 libqt5-qtbase Affected
SUSE Linux Enterprise Desktop 15 SP1 libqt5-qtbase Affected
SUSE Linux Enterprise Desktop 15 SP2 libqt5-qtbase Affected
SUSE Linux Enterprise Desktop 15 SP3 libqt5-qtbase Affected
SUSE Linux Enterprise Desktop 15 SP4 libqt5-qtbase Affected
SUSE Linux Enterprise Desktop 15 SP5 libqt5-qtbase Affected
SUSE Linux Enterprise Desktop 15 SP5 qt6-base Affected
SUSE Linux Enterprise High Performance Computing 15 libqt5-qtbase Affected
SUSE Linux Enterprise High Performance Computing 15 SP1 libqt5-qtbase Affected
SUSE Linux Enterprise High Performance Computing 15 SP1-ESPOS libqt5-qtbase Affected
SUSE Linux Enterprise High Performance Computing 15 SP1-LTSS libqt5-qtbase Affected
SUSE Linux Enterprise High Performance Computing 15 SP2 libqt5-qtbase Affected
SUSE Linux Enterprise High Performance Computing 15 SP2-ESPOS libqt5-qtbase Affected
SUSE Linux Enterprise High Performance Computing 15 SP2-LTSS libqt5-qtbase Affected
SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS libqt5-qtbase Affected
SUSE Linux Enterprise High Performance Computing 15-ESPOS libqt5-qtbase Affected
SUSE Linux Enterprise High Performance Computing 15-LTSS libqt5-qtbase Affected
SUSE Linux Enterprise Module for Basesystem 15 libqt5-qtbase Affected
SUSE Linux Enterprise Module for Basesystem 15 SP1 libqt5-qtbase Affected
SUSE Linux Enterprise Module for Basesystem 15 SP2 libqt5-qtbase Affected
SUSE Linux Enterprise Module for Desktop Applications 15 libqt5-qtbase Affected
SUSE Linux Enterprise Module for Desktop Applications 15 SP1 libqt5-qtbase Affected
SUSE Linux Enterprise Module for Desktop Applications 15 SP2 libqt5-qtbase Affected
SUSE Linux Enterprise Point of Sale 11 SP3 libqt4 Not affected
SUSE Linux Enterprise Point of Sale 11 SP3 qt3 Not affected
SUSE Linux Enterprise Point of Sale 12 SP2-CLIENT libqt4 Not affected
SUSE Linux Enterprise Point of Sale 12 SP2-CLIENT libqt5-qtbase Affected
SUSE Linux Enterprise Real Time 15 SP2 libqt5-qtbase Affected
SUSE Linux Enterprise Real Time 15 SP3 libqt5-qtbase Affected
SUSE Linux Enterprise Real Time 15 SP4 libqt5-qtbase Affected
SUSE Linux Enterprise Server 11 SP1-LTSS qt3 Not affected
SUSE Linux Enterprise Server 11 SP2 qt3 Not affected
SUSE Linux Enterprise Server 11 SP2-LTSS qt3 Not affected
SUSE Linux Enterprise Server 11 SP3 libqt4 Not affected
SUSE Linux Enterprise Server 11 SP3 qt3 Not affected
SUSE Linux Enterprise Server 11 SP3-LTSS libqt4 Not affected
SUSE Linux Enterprise Server 11 SP3-LTSS qt3 Not affected
SUSE Linux Enterprise Server 11 SP4 libqt4 Not affected
SUSE Linux Enterprise Server 11 SP4 qt3 Not affected
SUSE Linux Enterprise Server 11 SP4 LTSS libqt4 Not affected
SUSE Linux Enterprise Server 11 SP4 LTSS qt3 Not affected
SUSE Linux Enterprise Server 11 SP4-LTSS libqt4 Not affected
SUSE Linux Enterprise Server 11 SP4-LTSS qt3 Not affected
SUSE Linux Enterprise Server 12 libqt4 Not affected
SUSE Linux Enterprise Server 12 SP1 libqt4 Not affected
SUSE Linux Enterprise Server 12 SP1-LTSS libqt4 Not affected
SUSE Linux Enterprise Server 12 SP2 libqt4 Not affected
SUSE Linux Enterprise Server 12 SP2 libqt5-qtbase Affected
SUSE Linux Enterprise Server 12 SP2-BCL libqt4 Not affected
SUSE Linux Enterprise Server 12 SP2-BCL libqt5-qtbase Affected
SUSE Linux Enterprise Server 12 SP2-ESPOS libqt4 Not affected
SUSE Linux Enterprise Server 12 SP2-ESPOS libqt5-qtbase Affected
SUSE Linux Enterprise Server 12 SP2-LTSS libqt4 Not affected
SUSE Linux Enterprise Server 12 SP2-LTSS libqt5-qtbase Affected
SUSE Linux Enterprise Server 12 SP3 libqt4 Not affected
SUSE Linux Enterprise Server 12 SP3 libqt5-qtbase Affected
SUSE Linux Enterprise Server 12 SP3-BCL libqt4 Not affected
SUSE Linux Enterprise Server 12 SP3-BCL libqt5-qtbase Affected
SUSE Linux Enterprise Server 12 SP3-ESPOS libqt4 Not affected
SUSE Linux Enterprise Server 12 SP3-ESPOS libqt5-qtbase Affected
SUSE Linux Enterprise Server 12 SP3-LTSS libqt4 Not affected
SUSE Linux Enterprise Server 12 SP3-LTSS libqt5-qtbase Affected
SUSE Linux Enterprise Server 12 SP4 libqt4 Not affected
SUSE Linux Enterprise Server 12 SP4 libqt5-qtbase Affected
SUSE Linux Enterprise Server 12 SP4-ESPOS libqt4 Not affected
SUSE Linux Enterprise Server 12 SP4-ESPOS libqt5-qtbase Affected
SUSE Linux Enterprise Server 12 SP4-LTSS libqt4 Not affected
SUSE Linux Enterprise Server 12 SP4-LTSS libqt5-qtbase Affected
SUSE Linux Enterprise Server 12-LTSS libqt4 Not affected
SUSE Linux Enterprise Server 15 libqt5-qtbase Affected
SUSE Linux Enterprise Server 15 SP1 libqt5-qtbase Affected
SUSE Linux Enterprise Server 15 SP1-BCL libqt5-qtbase Affected
SUSE Linux Enterprise Server 15 SP1-LTSS libqt5-qtbase Affected
SUSE Linux Enterprise Server 15 SP2 libqt5-qtbase Affected
SUSE Linux Enterprise Server 15 SP2-BCL libqt5-qtbase Affected
SUSE Linux Enterprise Server 15 SP2-LTSS libqt5-qtbase Affected
SUSE Linux Enterprise Server 15 SP3-BCL libqt5-qtbase Affected
SUSE Linux Enterprise Server 15-LTSS libqt5-qtbase Affected
SUSE Linux Enterprise Server for Raspberry Pi 12 SP2 libqt4 Not affected
SUSE Linux Enterprise Server for Raspberry Pi 12 SP2 libqt5-qtbase Affected
SUSE Linux Enterprise Server for SAP Applications 11 SP2 qt3 Not affected
SUSE Linux Enterprise Server for SAP Applications 11 SP3 libqt4 Not affected
SUSE Linux Enterprise Server for SAP Applications 11 SP3 qt3 Not affected
SUSE Linux Enterprise Server for SAP Applications 11 SP4 libqt4 Not affected
SUSE Linux Enterprise Server for SAP Applications 11 SP4 qt3 Not affected
SUSE Linux Enterprise Server for SAP Applications 12 libqt4 Not affected
SUSE Linux Enterprise Server for SAP Applications 12 SP1 libqt4 Not affected
SUSE Linux Enterprise Server for SAP Applications 12 SP2 libqt4 Not affected
SUSE Linux Enterprise Server for SAP Applications 12 SP2 libqt5-qtbase Affected
SUSE Linux Enterprise Server for SAP Applications 12 SP3 libqt4 Not affected
SUSE Linux Enterprise Server for SAP Applications 12 SP3 libqt5-qtbase Affected
SUSE Linux Enterprise Server for SAP Applications 12 SP4 libqt4 Not affected
SUSE Linux Enterprise Server for SAP Applications 12 SP4 libqt5-qtbase Affected
SUSE Linux Enterprise Server for SAP Applications 15 libqt5-qtbase Affected
SUSE Linux Enterprise Server for SAP Applications 15 SP1 libqt5-qtbase Affected
SUSE Linux Enterprise Server for SAP Applications 15 SP2 libqt5-qtbase Affected
SUSE Linux Enterprise Server for SAP Applications 15 SP3 libqt5-qtbase Affected
SUSE Linux Enterprise Server for SAP Applications 15 SP4 libqt5-qtbase Affected
SUSE Linux Enterprise Server for SAP Applications 15 SP5 libqt5-qtbase Affected
SUSE Linux Enterprise Server for SAP Applications 15 SP5 qt6-base Affected
SUSE Linux Enterprise Software Development Kit 11 SP2 qt3 Not affected
SUSE Linux Enterprise Software Development Kit 11 SP3 libqt4 Not affected
SUSE Linux Enterprise Software Development Kit 11 SP3 qt3 Not affected
SUSE Linux Enterprise Software Development Kit 11 SP4 libqt4 Not affected
SUSE Linux Enterprise Software Development Kit 11 SP4 qt3 Not affected
SUSE Linux Enterprise Software Development Kit 12 libqt4 Not affected
SUSE Linux Enterprise Software Development Kit 12 SP1 libqt4 Not affected
SUSE Linux Enterprise Software Development Kit 12 SP2 libqt4 Not affected
SUSE Linux Enterprise Software Development Kit 12 SP2 libqt5-qtbase Affected
SUSE Linux Enterprise Software Development Kit 12 SP3 libqt4 Not affected
SUSE Linux Enterprise Software Development Kit 12 SP3 libqt5-qtbase Affected
SUSE Linux Enterprise Software Development Kit 12 SP4 libqt4 Not affected
SUSE Linux Enterprise Software Development Kit 12 SP4 libqt5-qtbase Affected
SUSE Linux Enterprise Software Development Kit 12 SP5 libqt4 Not affected
SUSE Linux Enterprise Software Development Kit 12 SP5 libqt5-qtbase Affected
SUSE Linux Enterprise Workstation Extension 12 libqt4 Not affected
SUSE Linux Enterprise Workstation Extension 12 SP1 libqt4 Not affected
SUSE Linux Enterprise Workstation Extension 12 SP2 libqt4 Not affected
SUSE Linux Enterprise Workstation Extension 12 SP3 libqt4 Not affected
SUSE Linux Enterprise Workstation Extension 12 SP4 libqt4 Not affected
SUSE Linux Enterprise Workstation Extension 12 SP5 libqt4 Not affected
SUSE Manager Proxy 4.0 libqt5-qtbase Affected
SUSE Manager Proxy 4.1 libqt5-qtbase Affected
SUSE Manager Proxy 4.2 libqt5-qtbase Affected
SUSE Manager Retail Branch Server 4.0 libqt5-qtbase Affected
SUSE Manager Retail Branch Server 4.1 libqt5-qtbase Affected
SUSE Manager Retail Branch Server 4.2 libqt5-qtbase Affected
SUSE Manager Server 4.0 libqt5-qtbase Affected
SUSE Manager Server 4.1 libqt5-qtbase Affected
SUSE Manager Server 4.2 libqt5-qtbase Affected
SUSE OpenStack Cloud 7 libqt4 Not affected
SUSE OpenStack Cloud 7 libqt5-qtbase Affected
SUSE OpenStack Cloud 8 libqt4 Not affected
SUSE OpenStack Cloud 8 libqt5-qtbase Affected
SUSE OpenStack Cloud 9 libqt4 Not affected
SUSE OpenStack Cloud 9 libqt5-qtbase Affected
SUSE OpenStack Cloud Crowbar 8 libqt4 Not affected
SUSE OpenStack Cloud Crowbar 8 libqt5-qtbase Affected
SUSE OpenStack Cloud Crowbar 9 libqt4 Not affected
SUSE OpenStack Cloud Crowbar 9 libqt5-qtbase Affected
openSUSE Leap 15.3 libqt5-qtbase Affected
openSUSE Leap 15.4 libqt5-qtbase Affected
openSUSE Leap 15.5 libqt5-qtbase Affected
openSUSE Leap 15.5 qt6-base Affected


SUSE Timeline for this CVE

CVE page created: Wed Jun 11 12:00:03 2025
CVE page last modified: Tue Sep 2 12:41:01 2025