pypi package report

Is markdown2 safe?

4 known vulnerabilities, worst severity HIGH.

// reach

3 direct dependencies

1 carry known advisories, worst CRITICAL

pygmentsCRITICAL

19 packages depend on it

an advisory here reaches each of them

Create a free accountfor every dependency path, dependent and what to upgrade

// ai model usage

No published models are known to use this package.

cvss

7.5

high

CVSS v3.1 base score out of 10

epss

2.3%

medium

chance of exploitation in 30 days, 84th percentile of all CVEs

xyz score

4.3

medium

CyberXYZ composite out of 10

fig. 01 — GHSA-jr9p-r423-9m2r, the advisory selected below

// 4 advisories

GHSA-jr9p-r423-9m2r

HIGHGitHub ratingCVE-2021-26813

markdown2 >=1.0.1.18, fixed in 2.4.0, is affected by a regular expression denial of service vulnerability. If an attacker provides a malicious string, it can make markdown2 processing difficult or delayed for an extended period of time.

// cvss v3.1 vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack vector: Network
Attack complexity: Low
Privileges required: None
User interaction: None
Scope: Unchanged
Confidentiality: None
Integrity: None
Availability: High

Checked 2026-11-06 at 20:41 UTC. The most recent advisory here was published 2022-04-21. Updated continuously from NVD, GHSA, OSV and CNA feeds.