Regular Expression Denial of Service in simple-markdown
A vulnerability, which was classified as problematic, was found in simple-markdown 0.6.0. Affected is an unknown function of the file simple-markdown.js. The manipulation with the input <<<<<<<<<<:/:/:/:/:/:/:/:/:/:/ leads to inefficient regular expression complexity. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. Upgrading to version 0.6.1 is able to address this issue. The name of the patch is 015a719bf5cdc561feea05500ecb3274ef609cd2. It is recommended to upgrade the affected component. VDB-220638 is the identifier assigned to this vulnerability.
Affected software
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| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| npm package | simple-markdown | < 0.6.1 | 0.6.1 |
References
- https://nvd.nist.gov/vuln/detail/CVE-2019-25102
- https://github.com/ariabuckles/simple-markdown/pull/73
- https://github.com/ariabuckles/simple-markdown/commit/015a719bf5cdc561feea05500ecb3274ef609cd2
- https://github.com/ariabuckles/simple-markdown
- https://github.com/ariabuckles/simple-markdown/releases/tag/0.6.1
- https://vuldb.com/?ctiid.220638
- https://vuldb.com/?id.220638
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H- Weakness (CWE)
CWE-1333- Platform
- npm
- Package
simple-markdown- Disclosed
- 12.02.2023
- Updated
- 11.10.2026 10:22
Sources and licenses
OSV / GitHub Advisory Database - GHSA-j533-2g8v-pmpg - CC BY 4.0
Vulnerability history: simple-markdown
All published vulnerabilities of this package (npm package), newest first. Shows whether this is a one-off slip or a package that needs watching.
- Total entries
- 3
- First → latest
- 04.2019 02.2023
- Without a fix
- 0
- Exploited in attacks
- 0
Severity breakdown
- High 2
- Medium 1
Disclosures per year
- 2019: 1
- 2020: 0
- 2021: 0
- 2022: 0
- 2023: 2
- 2024: 0
- 2025: 0
- 2026: 0
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Regular Expression Denial of Service in simple-markdown this entry
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