CVE catalog
CVE-2022-21670
node-markdown-it: CVE-2022-21670
- Severity
- Medium
- Source
- [NVD] · [CVE record]
- EPSS
- 2.28% · Oct 25, 2026
markdown-it is a Markdown parser. Prior to version 1.3.2, special patterns with length greater than 50 thousand characterss could slow down the parser significantly. Users should upgrade to version 12.3.2 to receive a patch. There are no known workarounds aside from upgrading.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | node-markdown-it | sid | 22.2.3+dfsg+~12.2.3-5 | fixed |
| Debian | node-markdown-it | forky | 22.2.3+dfsg+~12.2.3-5 | fixed |
| Debian | node-markdown-it | trixie | 22.2.3+dfsg+~12.2.3-2 | fixed |
| Debian | node-markdown-it | bookworm | 22.2.3+dfsg+~12.2.3-2 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | node-markdown-it | source | sid | 10.0.0+dfsg-6 | not yet assigned | Not reported | Not reported |
| Debian | node-markdown-it | source | forky | 10.0.0+dfsg-6 | not yet assigned | Not reported | Not reported |
| Debian | node-markdown-it | source | trixie | 10.0.0+dfsg-6 | not yet assigned | Not reported | Not reported |
| Debian | node-markdown-it | source | bookworm | 10.0.0+dfsg-6 | not yet assigned | Not reported | Not reported |
OpenFactory catalog packages
[Debian 12 (Bookworm)]
- [node-markdown-it]Fixed
Details (2)
22.2.3+dfsg+~12.2.3-2· all · bookwormFixed · Fixed:
10.0.0+dfsg-6dsa · node-markdown-it · debian · bookworm
22.2.3+dfsg+~12.2.3-2· all · bookwormFixed · Fixed:
10.0.0+dfsg-6dsa · node-markdown-it · debian · bookworm
Observed: