VDB
DEBIAN-CVE-2021-20270
DEBIAN-CVE-2021-20270
PUBLISHED
CVSS 7.5 HIGH
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.
Risk Scores
CVSS 3.1
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Debian:14 | pygments | 0, 0, 0 |
| Debian:14 | mediawiki | 0, 0, 0 |
| Debian:12 | pygments | 0, 0, 0 |
| Debian:13 | mediawiki | 0, 0, 0 |
| Debian:12 | mediawiki | 0, 0, 0 |
| Debian:11 | pygments | 0, 0, 0 |
| Debian:13 | pygments | 0, 0, 0 |
| Debian:11 | mediawiki | 0, 0, 0 |
Timeline
- Mar 23, 2021 CVE Published
- Apr 28, 2026 CVE Updated