CVE-2021-26813
HighAdvisory
Published 3 Mar 2021In the index since 9 Sept 2026
- Severity
- High
- worst across findings
- CVSS
- 7.5
- base score, highest
- EPSS
- 0.022
- 82nd percentile
- CISA KEV
- Not listed
- no confirmed exploitation
- Charts affected
- 1
- of 17,781 indexed, latest versions
- Container images
- 1
- deployed by those charts
- Fix available
- 1 of 1
- affected package
markdown2 Regular Expression Denial of Service
Carried by container images the latest versions of 1 of 17,781 indexed charts deploy, on 1 image.
| Affected package | Affected versions | Fixed in | Images |
|---|---|---|---|
| markdown2pypi | 2.3.9 | 2.4.0 | 1 |
- OSV records
- GHSA-jr9p-r423-9m2r
- Also known as
- PYSEC-2021-20
Charts affected
1 by stars
Container images carrying it
1 by charts deploying them
A fixed version is listed for 1 of the 1 affected package.
| Container image | Digest | Package | Fixed in | Used by |
|---|---|---|---|---|
| linuxserver/ | e48b479c1891 | markdown2 | 2.4.0 | 1 |