CVE-2021-20270
- Source
- https://cve.org/CVERecord?id=CVE-2021-20270
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-20270.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2021-20270
- Aliases
- Downstream
- Related
- Published
- 2021-03-23T17:15:13.827Z
- Modified
- 2026-03-15T22:38:47.738283Z
- Severity
-
- 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
- Summary
- [none]
- Details
-
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
Affected packages
Git /
Database specific
source
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-20270.json"
unresolved_ranges
[
{
"events": [
{
"introduced": "1.5"
},
{
"last_affected": "2.7.3"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "3.11"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "4.0"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "10.0"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "7.0"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "8.0"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "33"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "9.0"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "10.0"
}
]
}
]