CVE-2018-25110
CVE-2018-25110 · Regular Expression Denial of Service (ReDoS) in markedjs/marked
This page contains facts from public vulnerability sources. Check the original advisory before updating.
Marked prior to version 0.3.17 is vulnerable to a Regular Expression Denial of Service (ReDoS) attack due to catastrophic backtracking in several regular expressions used for parsing HTML tags and markdown links. An attacker can exploit this vulnerability by providing specially crafted markdown input, such as deeply nested or repetitively structured brackets or tag attributes, which cause the parser to hang and lead to a Denial of Service.
CVSS 6.9 · Medium · EPSS 0.6% · Fix available
- Published
- Updated
Affected products and versions
node-marked Debian:12
- Affected ranges
- ECOSYSTEM: < 0.5.1+dfsg-1
Update to 0.5.1+dfsg-1
node-marked Debian:13
- Affected ranges
- ECOSYSTEM: < 0.5.1+dfsg-1
Update to 0.5.1+dfsg-1
node-marked Debian:14
- Affected ranges
- ECOSYSTEM: < 0.5.1+dfsg-1
Update to 0.5.1+dfsg-1
marked npm
- Affected ranges
- SEMVER: < 0.3.17
Update to 0.3.17
node-marked Ubuntu:16.04:LTS
- Versions
- 0.3.2+dfsg-1
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
node-marked Ubuntu:18.04:LTS
- Versions
- 0.3.6+dfsg-1
- 0.3.9+dfsg-1
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
Original sources
- https://github.com/markedjs/marked/issues/1070
- https://github.com/markedjs/marked/pull/1083
- https://github.com/markedjs/marked/commit/20bfc106013ed45713a21672ad4a34df94dcd485
- https://github.com/Checkmarx/Vulnerabilities-Proofs-of-Concept/tree/main/2018/CVE-2018-25110
- https://nvd.nist.gov/vuln/detail/CVE-2018-25110