PT-2025-36518 · Cattown · Cattown

Ieaturanium238 · Published 2025-09-08 · Updated 2025-09-09 · CVE-2025-58451

Positive Technologies (AI Summary)

CVSS v4.0

8.7

High

Base vector

AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

Name of the Vulnerable Software and Affected Versions: Cattown versions prior to 1.0.2

Description: Cattown is a JavaScript markdown parser susceptible to denial of service. The parser utilizes regular expressions with inefficient complexity, potentially leading to exponential worst-case backtracking. Processing crafted inputs can cause excessive CPU usage, potentially leading to resource exhaustion.

Recommendations: Update to version 1.0.2 or later. Review and restrict input sources if untrusted inputs are processed.

Exploit

Fix

DoS

Resource Exhaustion

Weakness Enumeration

CWE-400

CWE-1333

Related Identifiers

CVE-2025-58451

GHSA-455V-W7R9-3VV9

Affected Products

Cattown

References · 12

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/58xxx/CVE-2025-58451.json · Exploit
• https://osv.dev/vulnerability/CVE-2025-58451 · Vendor Advisory
• https://osv.dev/vulnerability/GHSA-455v-w7r9-3vv9 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-58451 · Security Note
• https://github.com/IEatUranium238/Cattown · Note
• https://github.com/IEatUranium238/Cattown/releases/tag/security · Note
• https://npmjs.com/package/cattown · Note
• https://twitter.com/VulmonFeeds/status/1965195259454869644 · Twitter Post
• https://twitter.com/CVEnew/status/1965177090665578780 · Twitter Post
• https://t.me/CVEtracker/31995 · Telegram Post
• https://github.com/IEatUranium238/Cattown/commit/70c2a28fb7dc520cfb7e401e0e141bff3dd26ead · Note
• https://github.com/IEatUranium238/Cattown/security/advisories/GHSA-455v-w7r9-3vv9 · Note