1. CVE-Search
  2. CVE-2021-20270
ID CVE-2021-20270
Summary 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
Vulnerable Configurations
  • cpe:2.3:a:pygments:pygments:1.5:*:*:*:*:*:*:*
    cpe:2.3:a:pygments:pygments:1.5:*:*:*:*:*:*:*
  • cpe:2.3:a:pygments:pygments:1.6:*:*:*:*:*:*:*
    cpe:2.3:a:pygments:pygments:1.6:*:*:*:*:*:*:*
  • cpe:2.3:a:pygments:pygments:1.6:rc1:*:*:*:*:*:*
    cpe:2.3:a:pygments:pygments:1.6:rc1:*:*:*:*:*:*
  • cpe:2.3:a:pygments:pygments:2.0:*:*:*:*:*:*:*
    cpe:2.3:a:pygments:pygments:2.0:*:*:*:*:*:*:*
  • cpe:2.3:a:pygments:pygments:2.0:rc1:*:*:*:*:*:*
    cpe:2.3:a:pygments:pygments:2.0:rc1:*:*:*:*:*:*
  • cpe:2.3:a:pygments:pygments:2.0.1:*:*:*:*:*:*:*
    cpe:2.3:a:pygments:pygments:2.0.1:*:*:*:*:*:*:*
  • cpe:2.3:a:redhat:openshift_container_platform:3.11:*:*:*:*:*:*:*
    cpe:2.3:a:redhat:openshift_container_platform:3.11:*:*:*:*:*:*:*
  • cpe:2.3:a:redhat:openshift_container_platform:4.0:*:*:*:*:*:*:*
    cpe:2.3:a:redhat:openshift_container_platform:4.0:*:*:*:*:*:*:*
  • cpe:2.3:a:redhat:openstack_platform:10.0:*:*:*:*:*:*:*
    cpe:2.3:a:redhat:openstack_platform:10.0:*:*:*:*:*:*:*
  • cpe:2.3:a:redhat:software_collections:-:*:*:*:*:*:*:*
    cpe:2.3:a:redhat:software_collections:-:*:*:*:*:*:*:*
  • cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*
    cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*
  • cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
    cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
  • cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
    cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
  • cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
    cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
  • cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
    cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
CVSS
Base: 5.0 (as of 10-12-2021 - 17:04)
Impact:
Exploitability:
CWE CWE-835
CAPEC
Access
VectorComplexityAuthentication
NETWORK LOW NONE
Impact
ConfidentialityIntegrityAvailability
NONE NONE PARTIAL
cvss-vector via4 AV:N/AC:L/Au:N/C:N/I:N/A:P
Last major update 10-12-2021 - 17:04
Published 23-03-2021 - 17:15
Last modified 10-12-2021 - 17:04
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