Upstream information

CVE-2021-20270 at MITRE

Description

An infinite loop in SMLLexer in Pygments versions 1.5 to 2.7.3 may lead to denial of service when performing syntax highlighting of a Standard ML (SML) source file, as demonstrated by input that only contains the "exception" keyword.

SUSE information

Overall state of this security issue: Running

This issue is currently rated as having important severity.

CVSS v2 Scores
  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
CVSS v3 Scores
  National Vulnerability Database SUSE
Base Score 7.5 7.5
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Access Vector Network Network
Access Complexity Low Low
Privileges Required None None
User Interaction None None
Scope Unchanged Unchanged
Confidentiality Impact None None
Integrity Impact None None
Availability Impact High High
CVSSv3 Version 3.1 3.1
SUSE Bugzilla entry: 1183169 [IN_PROGRESS]

SUSE Security Advisories:

List of released packages

Product(s) Fixed package version(s) References
SUSE CaaS Platform 4.0
  • python3-Pygments >= 2.6.1-7.7.1
Patchnames:
SUSE-SUSE-CAASP-4.0-2021-3473
SUSE Enterprise Storage 6
  • python3-Pygments >= 2.6.1-7.7.1
Patchnames:
SUSE-Storage-6-2021-3473
SUSE Linux Enterprise High Performance Computing 15 SP1-ESPOS
  • python3-Pygments >= 2.6.1-7.7.1
Patchnames:
SUSE-SLE-Product-HPC-15-SP1-ESPOS-2021-3473
SUSE Linux Enterprise High Performance Computing 15 SP1-LTSS
  • python3-Pygments >= 2.6.1-7.7.1
Patchnames:
SUSE-SLE-Product-HPC-15-SP1-LTSS-2021-3473
SUSE Linux Enterprise High Performance Computing 15-ESPOS
SUSE Linux Enterprise High Performance Computing 15-LTSS
  • python3-Pygments >= 2.2.0-4.6.1
Patchnames:
SUSE-SLE-Product-HPC-15-2021-1500
SUSE Linux Enterprise Module for Basesystem 15 SP2
  • python3-Pygments >= 2.6.1-7.7.1
Patchnames:
SUSE-SLE-Module-Basesystem-15-SP2-2021-3473
SUSE Linux Enterprise Module for Basesystem 15 SP3
  • python3-Pygments >= 2.6.1-2.1
SUSE Linux Enterprise Module for Open Buildservice Development Tools 15 SP2
  • python2-Pygments >= 2.2.0-4.6.1
Patchnames:
SUSE-SLE-Module-Development-Tools-OBS-15-SP2-2021-1500
SUSE Linux Enterprise Module for Open Buildservice Development Tools 15 SP3
  • python2-Pygments >= 2.2.0-4.6.1
Patchnames:
SUSE-SLE-Module-Development-Tools-OBS-15-SP3-2021-1500
SUSE Linux Enterprise Module for additional PackageHub packages 15 SP2
  • python2-Pygments >= 2.2.0-4.6.1
Patchnames:
SUSE-SLE-Module-Packagehub-Subpackages-15-SP2-2021-1500
SUSE Linux Enterprise Module for additional PackageHub packages 15 SP3
  • python2-Pygments >= 2.2.0-4.6.1
Patchnames:
SUSE-SLE-Module-Packagehub-Subpackages-15-SP3-2021-1500
SUSE Linux Enterprise Server 15 SP1-BCL
  • python3-Pygments >= 2.6.1-7.7.1
Patchnames:
SUSE-SLE-Product-SLES-15-SP1-BCL-2021-3473
SUSE Linux Enterprise Server 15 SP1-LTSS
  • python3-Pygments >= 2.6.1-7.7.1
Patchnames:
SUSE-SLE-Product-SLES-15-SP1-LTSS-2021-3473
SUSE Linux Enterprise Server 15-LTSS
  • python3-Pygments >= 2.2.0-4.6.1
Patchnames:
SUSE-SLE-Product-SLES-15-2021-1500
SUSE Linux Enterprise Server for SAP Applications 15 SP1
  • python3-Pygments >= 2.6.1-7.7.1
Patchnames:
SUSE-SLE-Product-SLES_SAP-15-SP1-2021-3473
SUSE Linux Enterprise Server for SAP Applications 15
  • python3-Pygments >= 2.2.0-4.6.1
Patchnames:
SUSE-SLE-Product-SLES_SAP-15-2021-1500


First public cloud image revisions this CVE is fixed in:


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.

Product(s) Source package State
Carwos 1 python-Pygments Affected
SUSE CaaS Platform 4.0 python-Pygments Released
SUSE Enterprise Storage 6 python-Pygments Released
SUSE Linux Enterprise High Performance Computing 15 LTSS python-Pygments In progress
SUSE Linux Enterprise High Performance Computing 15 SP1 ESPOS python-Pygments Released
SUSE Linux Enterprise High Performance Computing 15 SP1 LTSS python-Pygments Released
SUSE Linux Enterprise Module for Basesystem 15 SP2 python-Pygments Released
SUSE Linux Enterprise Module for Public Cloud 12 python-Pygments Affected
SUSE Linux Enterprise Module for Public Cloud 15 SP1 python-Pygments Affected
SUSE Linux Enterprise Module for Public Cloud 15 SP2 python-Pygments Affected
SUSE Linux Enterprise Server 15 LTSS python-Pygments In progress
SUSE Linux Enterprise Server 15 SP1 Business Critical Linux python-Pygments Released
SUSE Linux Enterprise Server 15 SP1 LTSS python-Pygments Released
SUSE Linux Enterprise Server ESPOS 15 python-Pygments In progress
SUSE Linux Enterprise Server for SAP Applications 15 python-Pygments In progress
SUSE Linux Enterprise Server for SAP Applications 15 SP1 python-Pygments Released
SUSE Manager Proxy 4.0 python-Pygments Unsupported
SUSE Manager Retail Branch Server 4.0 python-Pygments Unsupported
SUSE Manager Server 4.0 python-Pygments Unsupported
SUSE Package Hub 15 python-Pygments In progress