PYSEC-2021-140

At a glance

Published
Updated
CVE
CVE-2021-20270
Aliases
GHSA-9w8r-397f-prfh

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.

Affected packages

PackageVersions
PyPI · pygmentsintroduced 1.5, fixed 2.7.4

References

Sources

SourceLicence
OSV.devCC-BY 4.0 — PyPA Advisory Database