GHSA-jr9p-r423-9m2r

Suggest an improvement
Source
https://github.com/advisories/GHSA-jr9p-r423-9m2r
Import Source
https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2021/06/GHSA-jr9p-r423-9m2r/GHSA-jr9p-r423-9m2r.json
JSON Data
https://api.osv.dev/v1/vulns/GHSA-jr9p-r423-9m2r
Aliases
Published
2021-06-02T21:44:28Z
Modified
2024-09-30T20:27:28.988402Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
  • 8.7 (High) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N CVSS Calculator
Summary
markdown2 Regular Expression Denial of Service
Details

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.

Database specific
{
    "nvd_published_at": "2021-03-03T16:15:00Z",
    "cwe_ids": [
        "CWE-1333"
    ],
    "severity": "HIGH",
    "github_reviewed": true,
    "github_reviewed_at": "2021-05-12T21:02:47Z"
}
References

Affected packages

PyPI / markdown2

Package

Affected ranges

Type
ECOSYSTEM
Events
Introduced
1.0.1.18
Fixed
2.4.0

Affected versions

1.*

1.0.1.18
1.0.1.19
1.1.0
1.1.1
1.2.0
1.3.0
1.3.1
1.4.0
1.4.1
1.4.2

2.*

2.0.0
2.0.1
2.1.0
2.2.0
2.2.1
2.2.2
2.2.3
2.3.0
2.3.1
2.3.2
2.3.3
2.3.4
2.3.5
2.3.6
2.3.7
2.3.8
2.3.9
2.3.10

Ecosystem specific

{
    "affected_functions": [
        "markdown2.Markdown.convert"
    ]
}