CVE-2021-43308 describes an exponential Regular Expression Denial of Service (ReDoS) vulnerability affecting the markdown-link-extractor npm package. This flaw allows an attacker to trigger a denial of service by providing specially crafted input to the module's exported function. Rated 7.5 HIGH on CVSS, the vulnerability is network-exploitable with low attack complexity and no user interaction required, leading to high availability impact. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 3.0.2CPE matchmatch criteria | cpe:2.3:a:markdown-link-extractor_project:markdown-link-extractor:*:*:*:*:*:node.js:*:* | ||
4.0.0CPE matchmatch criteria | cpe:2.3:a:markdown-link-extractor_project:markdown-link-extractor:4.0.0:*:*:*:*:node.js:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.