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.

Project Subscriptions

Vendors Products
Debian Linux Subscribe
Fedoraproject Subscribe
Pygments Subscribe
Pygments Subscribe
Ansible Automation Platform Subscribe
Enterprise Linux Subscribe
Openshift Container Platform Subscribe
Openstack Platform Subscribe
Rhel Software Collections Subscribe
Software Collections Subscribe
Advisories
Source ID Title
Debian DLA Debian DLA DLA-2590-1 pygments security update
Debian DLA Debian DLA DLA-2648-1 mediawiki security update
Debian DLA Debian DLA DLA-2648-2 mediawiki regression update
Debian DSA Debian DSA DSA-4870-1 pygments security update
Debian DSA Debian DSA DSA-4889-1 mediawiki security update
EUVD EUVD EUVD-2021-0207 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.
Github GHSA Github GHSA GHSA-9w8r-397f-prfh Infinite Loop in Pygments
Ubuntu USN Ubuntu USN USN-4885-1 Pygments vulnerability
Ubuntu USN Ubuntu USN USN-4897-2 Pygments vulnerabilities
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

No history.

Projects

Sign in to view the affected projects.

cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published:

Updated: 2024-08-03T17:37:23.034Z

Reserved: 2020-12-17T00:00:00

Link: CVE-2021-20270

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2021-03-23T17:15:13.827

Modified: 2024-11-21T05:46:15.097

Link: CVE-2021-20270

cve-icon Redhat

Severity : Moderate

Publid Date: 2020-12-10T00:00:00Z

Links: CVE-2021-20270 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses