CVE-2025-68475 describes a Regular Expression Denial of Service (ReDoS) vulnerability in Fedify, a TypeScript library for ActivityPub server apps. Specifically, a maliciously crafted HTML response can trigger catastrophic backtracking in the document loader's HTML parsing regex, leading to a denial of service. This vulnerability carries a CVSS score of 7.5 (HIGH), indicating it can be exploited remotely with low complexity and without user interaction, resulting in high availability impact. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 1.6.13CPE matchmatch criteria | cpe:2.3:a:fedify:fedify:*:*:*:*:*:*:*:* | ||
>= 1.7.0, < 1.7.14CPE matchmatch criteria | cpe:2.3:a:fedify:fedify:*:*:*:*:*:*:*:* | ||
>= 1.8.1, < 1.8.15CPE matchmatch criteria | cpe:2.3:a:fedify:fedify:*:*:*:*:*:*:*:* | ||
>= 1.9.0, < 1.9.2CPE matchmatch criteria | cpe:2.3:a:fedify:fedify:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/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.