Upstream information
Description
In the GNU C Library (aka glibc or libc6) through 2.29, check_dst_limits_calc_pos_1 in posix/regexec.c has Uncontrolled Recursion, as demonstrated by '(|)(\\1\\1)*' in grep, a different issue than CVE-2018-20796. NOTE: the software maintainer disputes that this is a vulnerability because the behavior occurs only with a crafted patternSUSE information
Overall state of this security issue: Resolved
This issue is currently rated as having low severity.
| National Vulnerability Database | |
|---|---|
| Base Score | 5 |
| Vector | AV:N/AC:L/Au:N/C:N/I:N/A:P |
| Access Vector | Network |
| Access Complexity | Low |
| Authentication | None |
| Confidentiality Impact | None |
| Integrity Impact | None |
| Availability Impact | Partial |
| National Vulnerability Database | SUSE | |
|---|---|---|
| Base Score | 7.5 | 2.8 |
| Vector | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H | CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L |
| Attack Vector | Network | Local |
| Attack Complexity | Low | Low |
| Privileges Required | None | Low |
| User Interaction | None | Required |
| Scope | Unchanged | Unchanged |
| Confidentiality Impact | None | None |
| Integrity Impact | None | None |
| Availability Impact | High | Low |
| CVSSv3 Version | 3 | 3.1 |
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Please note that this evaluation state might be work in progress, incomplete or outdated.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 Micro 5.1 | glibc | Won't fix |
| SUSE Linux Enterprise Micro 5.2 | glibc | Won't fix |
| SUSE Linux Enterprise Micro 5.3 | glibc | Won't fix |
| SUSE Linux Enterprise Micro 5.4 | glibc | Won't fix |
| SUSE Linux Enterprise Micro 5.5 | glibc | Won't fix |
| Products under Long Term Service Pack support and receiving important and critical security fixes. | ||
| SLES15-EC2-CHOST-HVM-BYOS | glibc | Won't fix |
| SLES15-SP1-CHOST-BYOS-Azure | glibc | Won't fix |
| SLES15-SP1-CHOST-BYOS-EC2 | glibc | Won't fix |
| SLES15-SP1-CHOST-BYOS-GCE | glibc | Won't fix |
| SLES15-SP2-CHOST-BYOS-Aliyun | glibc | Won't fix |
| SLES15-SP2-CHOST-BYOS-Azure | glibc | Won't fix |
| SLES15-SP2-CHOST-BYOS-EC2 | glibc | Won't fix |
| SLES15-SP2-CHOST-BYOS-GCE | glibc | Won't fix |
| SLES15-SP3-CHOST-BYOS-Aliyun | glibc | Won't fix |
| SLES15-SP3-CHOST-BYOS-Azure | glibc | Won't fix |
| SLES15-SP3-CHOST-BYOS-EC2 | glibc | Won't fix |
| SLES15-SP3-CHOST-BYOS-GCE | glibc | Won't fix |
| SLES15-SP3-CHOST-BYOS-SAP-CCloud | glibc | Won't fix |
| SLES15-SP4-CHOST-BYOS | glibc | Won't fix |
| SLES15-SP4-CHOST-BYOS-Aliyun | glibc | Won't fix |
| SLES15-SP4-CHOST-BYOS-Azure | glibc | Won't fix |
| SLES15-SP4-CHOST-BYOS-EC2 | glibc | Won't fix |
| SLES15-SP4-CHOST-BYOS-GCE | glibc | Won't fix |
| SLES15-SP4-CHOST-BYOS-SAP-CCloud | glibc | Won't fix |
| SUSE Linux Enterprise High Performance Computing 12 SP5 | glibc | Ignore |
| SUSE Linux Enterprise High Performance Computing 15 SP3 | glibc | Unsupported |
| SUSE Linux Enterprise High Performance Computing 15 SP3-ESPOS | glibc | Won't fix |
| SUSE Linux Enterprise High Performance Computing 15 SP3-LTSS | glibc | Won't fix |
| SUSE Linux Enterprise High Performance Computing 15 SP4 | glibc | Won't fix |
| SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS | glibc | Won't fix |
| SUSE Linux Enterprise High Performance Computing 15 SP5 | glibc | Won't fix |
| SUSE Linux Enterprise High Performance Computing 15 SP5-ESPOS | glibc | Won't fix |
| SUSE Linux Enterprise High Performance Computing 15 SP5-LTSS | glibc | Won't fix |
| SUSE Linux Enterprise Module for Basesystem 15 SP3 | glibc | Unsupported |
| SUSE Linux Enterprise Module for Basesystem 15 SP4 | glibc | Won't fix |
| SUSE Linux Enterprise Module for Basesystem 15 SP5 | glibc | Won't fix |
| SUSE Linux Enterprise Module for Development Tools 15 SP3 | glibc | Unsupported |
| SUSE Linux Enterprise Module for Development Tools 15 SP4 | glibc | Won't fix |
| SUSE Linux Enterprise Module for Development Tools 15 SP5 | glibc | Won't fix |
| SUSE Linux Enterprise Module for Legacy 15 SP3 | glibc | Won't fix |
| SUSE Linux Enterprise Server 11 SP4 LTSS EXTREME CORE | glibc | Ignore |
| SUSE Linux Enterprise Server 12 SP5 | glibc | Ignore |
| SUSE Linux Enterprise Server 12 SP5-LTSS | glibc | Ignore |
| SUSE Linux Enterprise Server 15 SP3 | glibc | Unsupported |
| SUSE Linux Enterprise Server 15 SP3-LTSS | glibc | Won't fix |
| SUSE Linux Enterprise Server 15 SP4 | glibc | Won't fix |
| SUSE Linux Enterprise Server 15 SP4-LTSS | glibc | Won't fix |
| SUSE Linux Enterprise Server 15 SP5 | glibc | Won't fix |
| SUSE Linux Enterprise Server 15 SP5-LTSS | glibc | Won't fix |
| SUSE Linux Enterprise Server 15-ESPOS | glibc | Ignore |
| SUSE Linux Enterprise Server Business Critical Linux 15 SP1 | glibc | Ignore |
| SUSE Linux Enterprise Server LTSS Extended Security 12 SP5 | glibc | Ignore |
| SUSE Linux Enterprise Server for SAP Applications 12 SP5 | glibc | Ignore |
| SUSE Manager Proxy 4.3 | glibc | Won't fix |
| SUSE Manager Proxy LTS 4.3 | glibc | Won't fix |
| SUSE Manager Retail Branch Server 4.3 | glibc | Won't fix |
| SUSE Manager Retail Branch Server LTS 4.3 | glibc | Won't fix |
| SUSE Manager Server 4.3 | glibc | Won't fix |
| SUSE Manager Server LTS 4.3 | glibc | Won't fix |
| Products past their end of life and not receiving proactive updates anymore. | ||
| HPE Helion OpenStack 8 | glibc | Ignore |
| SUSE CaaS Platform 3.0 | glibc | Ignore |
| SUSE CaaS Platform 4.0 | glibc | Won't fix |
| SUSE CaaS Platform Toolchain 3 | glibc | Ignore |
| SUSE Enterprise Storage 5 | glibc | Ignore |
| SUSE Enterprise Storage 6 | glibc | Ignore |
| SUSE Enterprise Storage 7 | glibc | Ignore |
| SUSE Enterprise Storage 7.1 | glibc | Unsupported |
| SUSE Linux Enterprise Desktop 11 SP3 | glibc | Ignore |
| SUSE Linux Enterprise Desktop 11 SP4 | glibc | Ignore |
| SUSE Linux Enterprise Desktop 12 SP2 | glibc | Ignore |
| SUSE Linux Enterprise Desktop 12 SP3 | glibc | Ignore |
| SUSE Linux Enterprise Desktop 12 SP4 | glibc | Ignore |
| SUSE Linux Enterprise Desktop 15 | glibc | Won't fix |
| SUSE Linux Enterprise Desktop 15 SP1 | glibc | Ignore |
| SUSE Linux Enterprise Desktop 15 SP2 | glibc | Ignore |
| SUSE Linux Enterprise Desktop 15 SP3 | glibc | Unsupported |
| SUSE Linux Enterprise Desktop 15 SP4 | glibc | Won't fix |
| SUSE Linux Enterprise Desktop 15 SP5 | glibc | Won't fix |
| SUSE Linux Enterprise High Performance Computing 15 | glibc | Won't fix |
| SUSE Linux Enterprise High Performance Computing 15 SP1 | glibc | Ignore |
| SUSE Linux Enterprise High Performance Computing 15 SP1-ESPOS | glibc | Unsupported |
| SUSE Linux Enterprise High Performance Computing 15 SP1-LTSS | glibc | Won't fix |
| SUSE Linux Enterprise High Performance Computing 15 SP2 | glibc | Ignore |
| SUSE Linux Enterprise High Performance Computing 15 SP2-ESPOS | glibc | Won't fix |
| SUSE Linux Enterprise High Performance Computing 15 SP2-LTSS | glibc | Won't fix |
| SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS | glibc | Won't fix |
| SUSE Linux Enterprise High Performance Computing 15-ESPOS | glibc | Won't fix |
| SUSE Linux Enterprise High Performance Computing 15-LTSS | glibc | Ignore |
| SUSE Linux Enterprise Micro 5.0 | glibc | Unsupported |
| SUSE Linux Enterprise Module for Basesystem 15 | glibc | Won't fix |
| SUSE Linux Enterprise Module for Basesystem 15 SP1 | glibc | Ignore |
| SUSE Linux Enterprise Module for Basesystem 15 SP2 | glibc | Ignore |
| SUSE Linux Enterprise Module for Development Tools 15 | glibc | Won't fix |
| SUSE Linux Enterprise Module for Development Tools 15 SP1 | glibc | Ignore |
| SUSE Linux Enterprise Module for Development Tools 15 SP2 | glibc | Ignore |
| SUSE Linux Enterprise Point of Sale 11 SP3 | glibc | Ignore |
| SUSE Linux Enterprise Point of Sale 12 SP2-CLIENT | glibc | Ignore |
| SUSE Linux Enterprise Point of Service 11 SP3 | glibc | Ignore |
| SUSE Linux Enterprise Point of Service Image Server 12 SP2 | glibc | Ignore |
| SUSE Linux Enterprise Real Time 15 SP2 | glibc | Won't fix |
| SUSE Linux Enterprise Real Time 15 SP3 | glibc | Won't fix |
| SUSE Linux Enterprise Real Time 15 SP4 | glibc | Won't fix |
| SUSE Linux Enterprise Server 11 SP1-LTSS | glibc | Ignore |
| SUSE Linux Enterprise Server 11 SP3 | glibc | Ignore |
| SUSE Linux Enterprise Server 11 SP3-LTSS | glibc | Ignore |
| SUSE Linux Enterprise Server 11 SP4 | glibc | Ignore |
| SUSE Linux Enterprise Server 11 SP4 LTSS | glibc | Ignore |
| SUSE Linux Enterprise Server 11 SP4-LTSS | glibc | Ignore |
| SUSE Linux Enterprise Server 12 SP2 | glibc | Ignore |
| SUSE Linux Enterprise Server 12 SP2-BCL | glibc | Ignore |
| SUSE Linux Enterprise Server 12 SP2-ESPOS | glibc | Ignore |
| SUSE Linux Enterprise Server 12 SP2-LTSS | glibc | Ignore |
| SUSE Linux Enterprise Server 12 SP3 | glibc | Ignore |
| SUSE Linux Enterprise Server 12 SP3-BCL | glibc | Ignore |
| SUSE Linux Enterprise Server 12 SP3-ESPOS | glibc | Ignore |
| SUSE Linux Enterprise Server 12 SP3-LTSS | glibc | Ignore |
| SUSE Linux Enterprise Server 12 SP4 | glibc | Ignore |
| SUSE Linux Enterprise Server 12 SP4-ESPOS | glibc | Ignore |
| SUSE Linux Enterprise Server 12 SP4-LTSS | glibc | Ignore |
| SUSE Linux Enterprise Server 15 | glibc | Won't fix |
| SUSE Linux Enterprise Server 15 SP1 | glibc | Ignore |
| SUSE Linux Enterprise Server 15 SP1-BCL | glibc | Won't fix |
| SUSE Linux Enterprise Server 15 SP1-LTSS | glibc | Won't fix |
| SUSE Linux Enterprise Server 15 SP2 | glibc | Ignore |
| SUSE Linux Enterprise Server 15 SP2-BCL | glibc | Won't fix |
| SUSE Linux Enterprise Server 15 SP2-LTSS | glibc | Won't fix |
| SUSE Linux Enterprise Server 15 SP3-BCL | glibc | Won't fix |
| SUSE Linux Enterprise Server 15-LTSS | glibc | Ignore |
| SUSE Linux Enterprise Server for Raspberry Pi 12 SP2 | glibc | Ignore |
| SUSE Linux Enterprise Server for SAP Applications 11 SP3 | glibc | Ignore |
| SUSE Linux Enterprise Server for SAP Applications 11 SP4 | glibc | Ignore |
| SUSE Linux Enterprise Server for SAP Applications 12 SP2 | glibc | Ignore |
| SUSE Linux Enterprise Server for SAP Applications 12 SP3 | glibc | Ignore |
| SUSE Linux Enterprise Server for SAP Applications 12 SP4 | glibc | Ignore |
| SUSE Linux Enterprise Server for SAP Applications 15 | glibc | Ignore |
| SUSE Linux Enterprise Server for SAP Applications 15 SP1 | glibc | Ignore |
| SUSE Linux Enterprise Server for SAP Applications 15 SP2 | glibc | Ignore |
| SUSE Linux Enterprise Server for SAP Applications 15 SP3 | glibc | Unsupported |
| SUSE Linux Enterprise Server for SAP Applications 15 SP4 | glibc | Won't fix |
| SUSE Linux Enterprise Server for SAP Applications 15 SP5 | glibc | Won't fix |
| SUSE Linux Enterprise Software Development Kit 11 SP3 | glibc | Ignore |
| SUSE Linux Enterprise Software Development Kit 11 SP4 | glibc | Ignore |
| SUSE Linux Enterprise Software Development Kit 12 SP2 | glibc | Ignore |
| SUSE Linux Enterprise Software Development Kit 12 SP3 | glibc | Ignore |
| SUSE Linux Enterprise Software Development Kit 12 SP4 | glibc | Ignore |
| SUSE Linux Enterprise Software Development Kit 12 SP5 | glibc | Ignore |
| SUSE Manager Proxy 4.0 | glibc | Ignore |
| SUSE Manager Proxy 4.1 | glibc | Ignore |
| SUSE Manager Proxy 4.2 | glibc | Unsupported |
| SUSE Manager Retail Branch Server 4.0 | glibc | Ignore |
| SUSE Manager Retail Branch Server 4.1 | glibc | Ignore |
| SUSE Manager Retail Branch Server 4.2 | glibc | Unsupported |
| SUSE Manager Server 4.0 | glibc | Ignore |
| SUSE Manager Server 4.1 | glibc | Ignore |
| SUSE Manager Server 4.2 | glibc | Unsupported |
| SUSE OpenStack Cloud 7 | glibc | Ignore |
| SUSE OpenStack Cloud 8 | glibc | Ignore |
| SUSE OpenStack Cloud 9 | glibc | Ignore |
| SUSE OpenStack Cloud Crowbar 8 | glibc | Ignore |
| SUSE OpenStack Cloud Crowbar 9 | glibc | Ignore |
| openSUSE Leap 15.3 | glibc | Won't fix |
| openSUSE Leap 15.4 | glibc | Won't fix |
| openSUSE Leap 15.5 | glibc | Won't fix |
| openSUSE Leap Micro 5.2 | glibc | Won't fix |
| openSUSE Leap Micro 5.3 | glibc | Won't fix |
| openSUSE Leap Micro 5.4 | glibc | Won't fix |
| openSUSE Leap Micro 5.5 | glibc | Won't fix |
SUSE Timeline for this CVE
CVE page created: Wed May 1 08:42:05 2019CVE page last modified: Sun Sep 28 13:52:52 2025