CVE-2021-20270

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.

References

https://www.oracle.com/security-alerts/cpuoct2021.html

https://www.debian.org/security/2021/dsa-4889

https://lists.debian.org/debian-lts-announce/2021/05/msg00006.html

https://lists.debian.org/debian-lts-announce/2021/05/msg00003.html

https://bugzilla.redhat.com/show_bug.cgi?id=1922136

Details

Source: Mitre, NVD

Risk Information

CVSS v2

CVSS v3