CVE-2018-25110
Description
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.
Predictions
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
Debian Fixed 5 releases
| Version | Status | Fixed in |
|---|---|---|
| trixie | Fixed | 0.5.1+dfsg-1 |
| sid | Fixed | 0.5.1+dfsg-1 |
| forky | Fixed | 0.5.1+dfsg-1 |
| bullseye | Fixed | 0.5.1+dfsg-1 |
| bookworm | Fixed | 0.5.1+dfsg-1 |
Package impact
| Ecosystem | Package | Vulnerable | Fixed |
|---|---|---|---|
| npm | marked | <0.3.17 | 0.3.17 |
References
- https://nvd.nist.gov/vuln/detail/CVE-2018-25110
- 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://github.com/markedjs/marked
- https://security-tracker.debian.org/tracker/CVE-2018-25110
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.