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.
problem types: CWE-835
affected:
{
product: python-pygments
vendor: n/a
versions:
status: affected, version: python-pygments 2.7.4
}