Upstream information
Description
An issue was discovered in the function mark_beginning_as_normal in nfa.c in flex 2.6.4. There is a stack exhaustion problem caused by the mark_beginning_as_normal function making recursive calls to itself in certain scenarios involving lots of '*' characters. Remote attackers could leverage this vulnerability to cause a denial-of-service.SUSE information
Overall state of this security issue: Pending
This issue is currently rated as having moderate severity.
| National Vulnerability Database | |
|---|---|
| Base Score | 4.3 |
| Vector | AV:N/AC:M/Au:N/C:N/I:N/A:P |
| Access Vector | Network |
| Access Complexity | Medium |
| Authentication | None |
| Confidentiality Impact | None |
| Integrity Impact | None |
| Availability Impact | Partial |
| National Vulnerability Database | SUSE | |
|---|---|---|
| Base Score | 5.5 | 3.3 |
| Vector | CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L |
| Attack Vector | Local | Local |
| Attack Complexity | Low | Low |
| Privileges Required | None | None |
| User Interaction | Required | Required |
| Scope | Unchanged | Unchanged |
| Confidentiality Impact | None | None |
| Integrity Impact | None | None |
| Availability Impact | High | Low |
| CVSSv3 Version | 3 | 3.1 |
| SUSE | |
|---|---|
| Base Score | 4.6 |
| Vector | CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N |
| Attack Vector | Local |
| Attack Complexity | Low |
| Attack Requirements | None |
| Privileges Required | None |
| User Interaction | Active |
| Vulnerable System Confidentiality Impact | None |
| Vulnerable System Integrity Impact | None |
| Vulnerable System Availability Impact | Low |
| Subsequent System Confidentiality Impact | None |
| Subsequent System Integrity Impact | None |
| Subsequent System Availability Impact | None |
| CVSSv4 Version | 4.0 |
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Please note that this evaluation state might be work in progress, incomplete or outdated.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 SP5 | flex | Affected |
| SUSE Linux Enterprise Desktop 15 SP6 | flex | Affected |
| SUSE Linux Enterprise High Performance Computing 15 SP5 | flex | Affected |
| SUSE Linux Enterprise High Performance Computing 15 SP6 | flex | Affected |
| SUSE Linux Enterprise Module for Basesystem 15 SP5 | flex | Affected |
| SUSE Linux Enterprise Module for Basesystem 15 SP6 | flex | Affected |
| SUSE Linux Enterprise Server 15 SP5 | flex | Affected |
| SUSE Linux Enterprise Server 15 SP6 | flex | Affected |
| SUSE Linux Enterprise Server for SAP Applications 15 SP5 | flex | Affected |
| SUSE Linux Enterprise Server for SAP Applications 15 SP6 | flex | Affected |
| SUSE Manager Proxy 4.3 | flex | Affected |
| SUSE Manager Retail Branch Server 4.3 | flex | Affected |
| SUSE Manager Server 4.3 | flex | Affected |
| openSUSE Leap 15.5 | flex | Affected |
| openSUSE Leap 15.6 | flex | Affected |
| Products under Long Term Service Pack support and receiving important and critical security fixes. | ||
| SUSE Linux Enterprise Desktop 15 SP4 | flex | Affected |
| SUSE Linux Enterprise High Performance Computing 12 SP5 | flex | Affected |
| SUSE Linux Enterprise High Performance Computing 15 SP2 | flex | Affected |
| SUSE Linux Enterprise High Performance Computing 15 SP2-ESPOS | flex | Affected |
| SUSE Linux Enterprise High Performance Computing 15 SP2-LTSS | flex | Affected |
| SUSE Linux Enterprise High Performance Computing 15 SP3 | flex | Affected |
| SUSE Linux Enterprise High Performance Computing 15 SP3-ESPOS | flex | Affected |
| SUSE Linux Enterprise High Performance Computing 15 SP3-LTSS | flex | Affected |
| SUSE Linux Enterprise High Performance Computing 15 SP4 | flex | Affected |
| SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS | flex | Affected |
| SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS | flex | Affected |
| SUSE Linux Enterprise Module for Basesystem 15 SP2 | flex | Affected |
| SUSE Linux Enterprise Module for Basesystem 15 SP3 | flex | Affected |
| SUSE Linux Enterprise Module for Basesystem 15 SP4 | flex | Affected |
| SUSE Linux Enterprise Server 12 SP5 | flex | Affected |
| SUSE Linux Enterprise Server 12 SP5-LTSS | flex | Affected |
| SUSE Linux Enterprise Server 15 SP2 | flex | Affected |
| SUSE Linux Enterprise Server 15 SP2-LTSS | flex | Affected |
| SUSE Linux Enterprise Server 15 SP3 | flex | Affected |
| SUSE Linux Enterprise Server 15 SP3-LTSS | flex | Affected |
| SUSE Linux Enterprise Server 15 SP4 | flex | Affected |
| SUSE Linux Enterprise Server 15 SP4-LTSS | flex | Affected |
| SUSE Linux Enterprise Server Business Critical Linux 15 SP1 | flex | Affected |
| SUSE Linux Enterprise Server Business Critical Linux 15 SP2 | flex | Affected |
| SUSE Linux Enterprise Server LTSS Extended Security 12 SP5 | flex | Affected |
| SUSE Linux Enterprise Server for SAP Applications 12 SP5 | flex | Affected |
| SUSE Linux Enterprise Server for SAP Applications 15 SP2 | flex | Affected |
| SUSE Linux Enterprise Server for SAP Applications 15 SP3 | flex | Affected |
| SUSE Linux Enterprise Server for SAP Applications 15 SP4 | flex | Affected |
| Products past their end of life and not receiving proactive updates anymore. | ||
| HPE Helion OpenStack 8 | flex | Affected |
| SLES for SAP Applications 11 SP3 | flex | Affected |
| SUSE CaaS Platform 4.0 | flex | Affected |
| SUSE CaaS Platform 4.5 | flex | Affected |
| SUSE Enterprise Storage 6 | flex | Affected |
| SUSE Enterprise Storage 7 | flex | Affected |
| SUSE Enterprise Storage 7.1 | flex | Affected |
| SUSE Linux Enterprise Desktop 11 SP2 | flex | Affected |
| SUSE Linux Enterprise Desktop 11 SP3 | flex | Affected |
| SUSE Linux Enterprise Desktop 11 SP4 | flex | Affected |
| SUSE Linux Enterprise Desktop 12 | flex | Affected |
| SUSE Linux Enterprise Desktop 12 SP1 | flex | Affected |
| SUSE Linux Enterprise Desktop 12 SP2 | flex | Affected |
| SUSE Linux Enterprise Desktop 12 SP3 | flex | Affected |
| SUSE Linux Enterprise Desktop 12 SP4 | flex | Affected |
| SUSE Linux Enterprise Desktop 15 | flex | Affected |
| SUSE Linux Enterprise Desktop 15 SP1 | flex | Affected |
| SUSE Linux Enterprise Desktop 15 SP2 | flex | Affected |
| SUSE Linux Enterprise Desktop 15 SP3 | flex | Affected |
| SUSE Linux Enterprise High Performance Computing 12 SP4 | flex | Affected |
| SUSE Linux Enterprise High Performance Computing 15 | flex | Affected |
| SUSE Linux Enterprise High Performance Computing 15 SP1 | flex | Affected |
| SUSE Linux Enterprise High Performance Computing 15 SP1-ESPOS | flex | Affected |
| SUSE Linux Enterprise High Performance Computing 15 SP1-LTSS | flex | Affected |
| SUSE Linux Enterprise High Performance Computing 15-ESPOS | flex | Affected |
| SUSE Linux Enterprise High Performance Computing 15-LTSS | flex | Affected |
| SUSE Linux Enterprise Module for Basesystem 15 | flex | Affected |
| SUSE Linux Enterprise Module for Basesystem 15 SP1 | flex | Affected |
| SUSE Linux Enterprise Point of Sale 11 SP3 | flex | Affected |
| SUSE Linux Enterprise Point of Sale 12 SP2-CLIENT | flex | Affected |
| SUSE Linux Enterprise Real Time 15 SP2 | flex | Affected |
| SUSE Linux Enterprise Real Time 15 SP3 | flex | Affected |
| SUSE Linux Enterprise Real Time 15 SP4 | flex | Affected |
| SUSE Linux Enterprise Server 10 SP4-LTSS | flex | Ignore |
| SUSE Linux Enterprise Server 11 SP1 | flex | Affected |
| SUSE Linux Enterprise Server 11 SP1-LTSS | flex | Affected |
| SUSE Linux Enterprise Server 11 SP2 | flex | Affected |
| SUSE Linux Enterprise Server 11 SP2-LTSS | flex | Affected |
| SUSE Linux Enterprise Server 11 SP3 | flex | Affected |
| SUSE Linux Enterprise Server 11 SP3 LTSS | flex | Affected |
| SUSE Linux Enterprise Server 11 SP3-LTSS | flex | Affected |
| SUSE Linux Enterprise Server 11 SP4 | flex | Affected |
| SUSE Linux Enterprise Server 11 SP4 LTSS | flex | Affected |
| SUSE Linux Enterprise Server 11 SP4-LTSS | flex | Affected |
| SUSE Linux Enterprise Server 12 | flex | Affected |
| SUSE Linux Enterprise Server 12 SP1 | flex | Affected |
| SUSE Linux Enterprise Server 12 SP1-LTSS | flex | Affected |
| SUSE Linux Enterprise Server 12 SP2 | flex | Affected |
| SUSE Linux Enterprise Server 12 SP2-BCL | flex | Affected |
| SUSE Linux Enterprise Server 12 SP2-ESPOS | flex | Affected |
| SUSE Linux Enterprise Server 12 SP2-LTSS | flex | Affected |
| SUSE Linux Enterprise Server 12 SP3 | flex | Affected |
| SUSE Linux Enterprise Server 12 SP3-BCL | flex | Affected |
| SUSE Linux Enterprise Server 12 SP3-ESPOS | flex | Affected |
| SUSE Linux Enterprise Server 12 SP3-LTSS | flex | Affected |
| SUSE Linux Enterprise Server 12 SP4 | flex | Affected |
| SUSE Linux Enterprise Server 12 SP4-ESPOS | flex | Affected |
| SUSE Linux Enterprise Server 12 SP4-LTSS | flex | Affected |
| SUSE Linux Enterprise Server 12-LTSS | flex | Affected |
| SUSE Linux Enterprise Server 15 | flex | Affected |
| SUSE Linux Enterprise Server 15 SP1 | flex | Affected |
| SUSE Linux Enterprise Server 15 SP1-BCL | flex | Affected |
| SUSE Linux Enterprise Server 15 SP1-LTSS | flex | Affected |
| SUSE Linux Enterprise Server 15 SP2-BCL | flex | Affected |
| SUSE Linux Enterprise Server 15 SP3-BCL | flex | Affected |
| SUSE Linux Enterprise Server 15-LTSS | flex | Affected |
| SUSE Linux Enterprise Server for Raspberry Pi 12 SP2 | flex | Affected |
| SUSE Linux Enterprise Server for SAP Applications 11 SP2 | flex | Affected |
| SUSE Linux Enterprise Server for SAP Applications 11 SP3 | flex | Affected |
| SUSE Linux Enterprise Server for SAP Applications 11 SP4 | flex | Affected |
| SUSE Linux Enterprise Server for SAP Applications 12 | flex | Affected |
| SUSE Linux Enterprise Server for SAP Applications 12 SP1 | flex | Affected |
| SUSE Linux Enterprise Server for SAP Applications 12 SP2 | flex | Affected |
| SUSE Linux Enterprise Server for SAP Applications 12 SP3 | flex | Affected |
| SUSE Linux Enterprise Server for SAP Applications 12 SP4 | flex | Affected |
| SUSE Linux Enterprise Server for SAP Applications 15 | flex | Affected |
| SUSE Linux Enterprise Server for SAP Applications 15 SP1 | flex | Affected |
| SUSE Linux Enterprise Software Development Kit 11 SP2 | flex | Affected |
| SUSE Linux Enterprise Software Development Kit 11 SP3 | flex | Affected |
| SUSE Linux Enterprise Software Development Kit 11 SP4 | flex | Affected |
| SUSE Linux Enterprise Software Development Kit 12 | flex | Affected |
| SUSE Linux Enterprise Software Development Kit 12 SP1 | flex | Affected |
| SUSE Linux Enterprise Software Development Kit 12 SP2 | flex | Affected |
| SUSE Linux Enterprise Software Development Kit 12 SP3 | flex | Affected |
| SUSE Linux Enterprise Software Development Kit 12 SP4 | flex | Affected |
| SUSE Linux Enterprise Software Development Kit 12 SP5 | flex | Affected |
| SUSE Manager Proxy 4.0 | flex | Affected |
| SUSE Manager Proxy 4.1 | flex | Affected |
| SUSE Manager Proxy 4.2 | flex | Affected |
| SUSE Manager Retail Branch Server 4.0 | flex | Affected |
| SUSE Manager Retail Branch Server 4.1 | flex | Affected |
| SUSE Manager Retail Branch Server 4.2 | flex | Affected |
| SUSE Manager Server 4.0 | flex | Affected |
| SUSE Manager Server 4.1 | flex | Affected |
| SUSE Manager Server 4.2 | flex | Affected |
| SUSE OpenStack Cloud 7 | flex | Affected |
| SUSE OpenStack Cloud 8 | flex | Affected |
| SUSE OpenStack Cloud 9 | flex | Affected |
| SUSE OpenStack Cloud Crowbar 8 | flex | Affected |
| SUSE OpenStack Cloud Crowbar 9 | flex | Affected |
| openSUSE Leap 15.3 | flex | Affected |
| openSUSE Leap 15.4 | flex | Affected |
| Container Status | ||
| bci/spack | flex | Affected |
SUSE Timeline for this CVE
CVE page created: Tue Jan 15 05:30:36 2019CVE page last modified: Mon Nov 18 13:53:36 2024