https://cve.radiocsirt.org/rss/recent/all/10 Most recent entries from all 2026-10-02T19:39:27.900437+00:00 Vulnerability-Lookup csirt@opendfir.org python-feedgen Contains only the most 10 recent entries. https://cve.radiocsirt.org/vuln/euvd-2026-232846 EUVD-2026-232846 2026-10-02T19:39:27.999669+00:00 EUVD-2026-232846 https://cve.radiocsirt.org/vuln/fkie_cve-2022-21670 fkie_cve-2022-21670 2026-10-02T19:39:27.999706+00:00

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.

 https://cve.radiocsirt.org/vuln/ghsa-6vfc-qv3f-vr6c GHSA-6vfc-qv3f-vr6c — Uncontrolled Resource Consumption in markdown-it 2026-10-02T19:39:27.999739+00:00

Affected: npm: markdown-it

### Impact

Special patterns with length > 50K chars can slow down parser significantly.

```js const md = require('markdown-it')();

md.render(`x ${' '.repeat(150000)} x \nx`); ```

### Patches

Upgrade to v12.3.2+

### Workarounds

No.

### References

Fix + test sample: https://github.com/markdown-it/markdown-it/commit/ffc49ab46b5b751cd2be0aabb146f2ef84986101

 https://cve.radiocsirt.org/vuln/gsd-2022-21670 gsd-2022-21670 2026-10-02T19:39:27.999772+00:00 gsd-2022-21670 https://cve.radiocsirt.org/vuln/ubuntu-cve-2022-21670 UBUNTU-CVE-2022-21670 2026-10-02T19:39:27.999785+00:00

Affected: Ubuntu:22.04:LTS: node-markdown-it, Ubuntu:24.04:LTS: node-markdown-it, Ubuntu:25.10: node-markdown-it, Ubuntu:26.04:LTS: node-markdown-it

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.