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.
Related CPE's
References
Issue TrackingPatchThird Party Advisory
CvssV3 impact
Version | 3.1 |
VectorString | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
AttackVector | NETWORK |
AttackComplexity | LOW |
PrivilegesRequired | NONE |
UserInteraction | NONE |
Scope | UNCHANGED |
ConfidentialityImpact | NONE |
IntegrityImpact | NONE |
AvailabilityImpact | HIGH |
BaseScore | 7.5 |
BaseSeverity | HIGH |
CvssV2 impact
Version | 2.0 |
VectorString | AV:N/AC:L/Au:N/C:N/I:N/A:P |
AccessVector | NETWORK |
AccessComplexity | LOW |
Authentication | NONE |
ConfidentialityImpact | NONE |
IntegrityImpact | NONE |
AvailabilityImpact | PARTIAL |
BaseScore | 5 |