AUGUST 4, 2026
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Case File

CVE-2025-5399

HIGH · CVSS 7.5 EPSS 1.29%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2025-06-07 · Last synced 2026-08-04

CyberRota Analysis

This is a high severity vulnerability with a CVSS score of 7.5. See the original NVD description below for full technical details.

CVE
CVE-2025-5399
Severity
HIGH
CVSS
7.5
EPSS
1.29%

Original NVD Description

Due to a mistake in libcurl's WebSocket code, a malicious server can send a particularly crafted packet which makes libcurl get trapped in an endless busy-loop. There is no other way for the application to escape or exit this loop other than killing the thread/process. This might be used to DoS libcurl-using application.

Related CVEs

Other vulnerabilities affecting the same vendor(s)