Upstream information

CVE-2021-43535 at MITRE

Description

A use-after-free could have occured when an HTTP2 session object was released on a different thread, leading to memory corruption and a potentially exploitable crash. This vulnerability affects Firefox < 93, Thunderbird < 91.3, and Firefox ESR < 91.3.

SUSE information

Overall state of this security issue: Resolved

This issue is currently rated as having important severity.

CVSS v2 Scores
  National Vulnerability Database
Base Score 6.8
Vector AV:N/AC:M/Au:N/C:P/I:P/A:P
Access Vector Network
Access Complexity Medium
Authentication None
Confidentiality Impact Partial
Integrity Impact Partial
Availability Impact Partial
CVSS v3 Scores
  National Vulnerability Database
Base Score 8.8
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction Required
Scope Unchanged
Confidentiality Impact High
Integrity Impact High
Availability Impact High
CVSSv3 Version 3.1
SUSE Bugzilla entry: 1193685 [RESOLVED / FIXED]

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Please note that this evaluation state might be work in progress, incomplete or outdated.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 Enterprise Storage 7.1 MozillaFirefox Already fixed
SUSE Linux Enterprise Desktop 15 SP5 MozillaFirefox Already fixed
SUSE Linux Enterprise Desktop 15 SP5 MozillaThunderbird Already fixed
SUSE Linux Enterprise High Performance Computing 12 SP5 MozillaFirefox Already fixed
SUSE Linux Enterprise High Performance Computing 15 SP5 MozillaFirefox Already fixed
SUSE Linux Enterprise Module for Desktop Applications 15 SP5 MozillaFirefox Already fixed
SUSE Linux Enterprise Module for Package Hub 15 SP5 MozillaThunderbird Already fixed
SUSE Linux Enterprise Module for Package Hub 15 SP6 MozillaThunderbird Already fixed
SUSE Linux Enterprise Server 12 SP5 MozillaFirefox Already fixed
SUSE Linux Enterprise Server 15 SP5 MozillaFirefox Already fixed
SUSE Linux Enterprise Server 15 SP5 MozillaThunderbird Already fixed
SUSE Linux Enterprise Server for SAP Applications 12 SP5 MozillaFirefox Already fixed
SUSE Linux Enterprise Server for SAP Applications 15 SP5 MozillaFirefox Already fixed
SUSE Linux Enterprise Server for SAP Applications 15 SP5 MozillaThunderbird Already fixed
SUSE Linux Enterprise Software Development Kit 12 SP5 MozillaFirefox Already fixed
SUSE Linux Enterprise Workstation Extension 15 SP5 MozillaThunderbird Already fixed
SUSE Manager Proxy 4.3 MozillaFirefox Already fixed
SUSE Manager Retail Branch Server 4.3 MozillaFirefox Already fixed
SUSE Manager Server 4.3 MozillaFirefox Already fixed
Products under Long Term Service Pack support and receiving important and critical security fixes.
SUSE Linux Enterprise Desktop 15 SP4 MozillaFirefox Already fixed
SUSE Linux Enterprise Desktop 15 SP4 MozillaThunderbird Already fixed
SUSE Linux Enterprise High Performance Computing 15 SP2 MozillaFirefox Ignore
SUSE Linux Enterprise High Performance Computing 15 SP2-ESPOS MozillaFirefox Already fixed
SUSE Linux Enterprise High Performance Computing 15 SP2-LTSS MozillaFirefox Already fixed
SUSE Linux Enterprise High Performance Computing 15 SP3 MozillaFirefox Already fixed
SUSE Linux Enterprise High Performance Computing 15 SP3-ESPOS MozillaFirefox Already fixed
SUSE Linux Enterprise High Performance Computing 15 SP3-LTSS MozillaFirefox Already fixed
SUSE Linux Enterprise High Performance Computing 15 SP4 MozillaFirefox Already fixed
SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS MozillaFirefox Already fixed
SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS MozillaFirefox Already fixed
SUSE Linux Enterprise Module for Desktop Applications 15 SP2 MozillaFirefox Ignore
SUSE Linux Enterprise Module for Desktop Applications 15 SP3 MozillaFirefox Already fixed
SUSE Linux Enterprise Module for Desktop Applications 15 SP4 MozillaFirefox Already fixed
SUSE Linux Enterprise Server 15 SP2 MozillaFirefox Ignore
SUSE Linux Enterprise Server 15 SP2 MozillaThunderbird Ignore
SUSE Linux Enterprise Server 15 SP2-LTSS MozillaFirefox Already fixed
SUSE Linux Enterprise Server 15 SP3 MozillaFirefox Already fixed
SUSE Linux Enterprise Server 15 SP3 MozillaThunderbird Already fixed
SUSE Linux Enterprise Server 15 SP3-LTSS MozillaFirefox Already fixed
SUSE Linux Enterprise Server 15 SP4 MozillaFirefox Already fixed
SUSE Linux Enterprise Server 15 SP4 MozillaThunderbird Already fixed
SUSE Linux Enterprise Server 15 SP4-LTSS MozillaFirefox Already fixed
SUSE Linux Enterprise Server 15-ESPOS MozillaFirefox Already fixed
SUSE Linux Enterprise Server Business Critical Linux 15 SP1 MozillaFirefox Already fixed
SUSE Linux Enterprise Server Business Critical Linux 15 SP2 MozillaFirefox Already fixed
SUSE Linux Enterprise Server for SAP Applications 15 SP2 MozillaFirefox Ignore
SUSE Linux Enterprise Server for SAP Applications 15 SP2 MozillaThunderbird Ignore
SUSE Linux Enterprise Server for SAP Applications 15 SP3 MozillaFirefox Already fixed
SUSE Linux Enterprise Server for SAP Applications 15 SP3 MozillaThunderbird Already fixed
SUSE Linux Enterprise Server for SAP Applications 15 SP4 MozillaFirefox Already fixed
SUSE Linux Enterprise Server for SAP Applications 15 SP4 MozillaThunderbird Already fixed
Products past their end of life and not receiving proactive updates anymore.
HPE Helion OpenStack 8 MozillaFirefox Ignore
SUSE CaaS Platform 4.0 MozillaFirefox Already fixed
SUSE CaaS Platform 4.5 MozillaFirefox Ignore
SUSE Enterprise Storage 6 MozillaFirefox Already fixed
SUSE Enterprise Storage 7 MozillaFirefox Already fixed
SUSE Linux Enterprise Desktop 11 SP4 MozillaFirefox Already fixed
SUSE Linux Enterprise Desktop 12 SP4 MozillaFirefox Already fixed
SUSE Linux Enterprise Desktop 15 MozillaFirefox Already fixed
SUSE Linux Enterprise Desktop 15 MozillaThunderbird Ignore
SUSE Linux Enterprise Desktop 15 SP1 MozillaFirefox Already fixed
SUSE Linux Enterprise Desktop 15 SP1 MozillaThunderbird Ignore
SUSE Linux Enterprise Desktop 15 SP2 MozillaFirefox Ignore
SUSE Linux Enterprise Desktop 15 SP2 MozillaThunderbird Ignore
SUSE Linux Enterprise Desktop 15 SP3 MozillaFirefox Already fixed
SUSE Linux Enterprise Desktop 15 SP3 MozillaThunderbird Already fixed
SUSE Linux Enterprise High Performance Computing 15 MozillaFirefox Already fixed
SUSE Linux Enterprise High Performance Computing 15 SP1 MozillaFirefox Already fixed
SUSE Linux Enterprise High Performance Computing 15 SP1-ESPOS MozillaFirefox Already fixed
SUSE Linux Enterprise High Performance Computing 15 SP1-LTSS MozillaFirefox Already fixed
SUSE Linux Enterprise High Performance Computing 15-ESPOS MozillaFirefox Already fixed
SUSE Linux Enterprise High Performance Computing 15-LTSS MozillaFirefox Already fixed
SUSE Linux Enterprise Module for Desktop Applications 15 MozillaFirefox Already fixed
SUSE Linux Enterprise Module for Desktop Applications 15 SP1 MozillaFirefox Already fixed
SUSE Linux Enterprise Module for Package Hub 15 SP3 MozillaThunderbird Already fixed
SUSE Linux Enterprise Module for Package Hub 15 SP4 MozillaThunderbird Already fixed
SUSE Linux Enterprise Real Time 15 SP2 MozillaFirefox Already fixed
SUSE Linux Enterprise Real Time 15 SP3 MozillaFirefox Already fixed
SUSE Linux Enterprise Real Time 15 SP4 MozillaFirefox Already fixed
SUSE Linux Enterprise Server 11 SP3 MozillaFirefox Already fixed
SUSE Linux Enterprise Server 11 SP3-LTSS MozillaFirefox Already fixed
SUSE Linux Enterprise Server 11 SP4 MozillaFirefox Already fixed
SUSE Linux Enterprise Server 11 SP4-LTSS MozillaFirefox Already fixed
SUSE Linux Enterprise Server 12 SP2-BCL MozillaFirefox Already fixed
SUSE Linux Enterprise Server 12 SP2-ESPOS MozillaFirefox Already fixed
SUSE Linux Enterprise Server 12 SP2-LTSS MozillaFirefox Already fixed
SUSE Linux Enterprise Server 12 SP3-BCL MozillaFirefox Already fixed
SUSE Linux Enterprise Server 12 SP3-ESPOS MozillaFirefox Ignore
SUSE Linux Enterprise Server 12 SP3-LTSS MozillaFirefox Ignore
SUSE Linux Enterprise Server 12 SP4 MozillaFirefox Already fixed
SUSE Linux Enterprise Server 12 SP4-ESPOS MozillaFirefox Already fixed
SUSE Linux Enterprise Server 12 SP4-LTSS MozillaFirefox Already fixed
SUSE Linux Enterprise Server 15 MozillaFirefox Already fixed
SUSE Linux Enterprise Server 15 MozillaThunderbird Ignore
SUSE Linux Enterprise Server 15 SP1 MozillaFirefox Already fixed
SUSE Linux Enterprise Server 15 SP1 MozillaThunderbird Ignore
SUSE Linux Enterprise Server 15 SP1-BCL MozillaFirefox Already fixed
SUSE Linux Enterprise Server 15 SP1-LTSS MozillaFirefox Already fixed
SUSE Linux Enterprise Server 15 SP2-BCL MozillaFirefox Already fixed
SUSE Linux Enterprise Server 15 SP3-BCL MozillaFirefox Already fixed
SUSE Linux Enterprise Server 15-LTSS MozillaFirefox Already fixed
SUSE Linux Enterprise Server for SAP Applications 11 SP4 MozillaFirefox Already fixed
SUSE Linux Enterprise Server for SAP Applications 12 SP2 MozillaFirefox Already fixed
SUSE Linux Enterprise Server for SAP Applications 12 SP3 MozillaFirefox Ignore
SUSE Linux Enterprise Server for SAP Applications 12 SP4 MozillaFirefox Already fixed
SUSE Linux Enterprise Server for SAP Applications 15 MozillaFirefox Already fixed
SUSE Linux Enterprise Server for SAP Applications 15 MozillaThunderbird Ignore
SUSE Linux Enterprise Server for SAP Applications 15 SP1 MozillaFirefox Already fixed
SUSE Linux Enterprise Server for SAP Applications 15 SP1 MozillaThunderbird Ignore
SUSE Linux Enterprise Software Development Kit 11 SP4 MozillaFirefox Already fixed
SUSE Linux Enterprise Software Development Kit 12 SP4 MozillaFirefox Already fixed
SUSE Linux Enterprise Workstation Extension 15 MozillaThunderbird Ignore
SUSE Linux Enterprise Workstation Extension 15 SP1 MozillaThunderbird Ignore
SUSE Linux Enterprise Workstation Extension 15 SP2 MozillaThunderbird Ignore
SUSE Linux Enterprise Workstation Extension 15 SP3 MozillaThunderbird Already fixed
SUSE Linux Enterprise Workstation Extension 15 SP4 MozillaThunderbird Already fixed
SUSE Manager Proxy 4.0 MozillaFirefox Already fixed
SUSE Manager Proxy 4.1 MozillaFirefox Ignore
SUSE Manager Proxy 4.2 MozillaFirefox Already fixed
SUSE Manager Retail Branch Server 4.0 MozillaFirefox Already fixed
SUSE Manager Retail Branch Server 4.1 MozillaFirefox Ignore
SUSE Manager Retail Branch Server 4.2 MozillaFirefox Already fixed
SUSE Manager Server 4.0 MozillaFirefox Already fixed
SUSE Manager Server 4.1 MozillaFirefox Ignore
SUSE Manager Server 4.2 MozillaFirefox Already fixed
SUSE OpenStack Cloud 7 MozillaFirefox Already fixed
SUSE OpenStack Cloud 8 MozillaFirefox Ignore
SUSE OpenStack Cloud 9 MozillaFirefox Already fixed
SUSE OpenStack Cloud Crowbar 8 MozillaFirefox Ignore
SUSE OpenStack Cloud Crowbar 9 MozillaFirefox Already fixed


SUSE Timeline for this CVE

CVE page created: Thu Dec 9 05:00:46 2021
CVE page last modified: Thu May 23 11:37:36 2024