What is CVE-2026-49842?

CVE-2026-49842 is a high-severity vulnerability in Freeswitch, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2026-06-09.

How severe is CVE-2026-49842?

High severity. CVSS v3 base score is 7.5 out of 10.

Resource exhaustion in Freeswitch

CVE-2026-49842

FreeSWITCH is a Software Defined Telecom Stack enabling the digital transformation from proprietary telecom switches to a software implementation that runs on any commodity hardware. Prior to version 1.11.1, mod_verto's WebSocket frame loo…

Vulnerability class: DoS (Denial of Service)

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Freeswitch

Weakness classification (CWE)

CWE-400 — Uncontrolled Resource Consumption

References

security-advisories@github.com (Release Notes)
security-advisories@github.com (Third Party Advisory)

Frequently asked questions

What is CVE-2026-49842?: CVE-2026-49842 is a high-severity vulnerability in Freeswitch, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2026-06-09.
How severe is CVE-2026-49842?: High severity. CVSS v3 base score is 7.5 out of 10.