CVE-2019-11760

Mozilla: Stack buffer overflow in WebRTC networking

Loading…

Severity

Moderate

Red Hat Product Security

8.8

CVSS 3.1

Review impact separately from score.

Published · October 22, 2019

Updated · November 22, 2025

Description

A flaw was discovered in Mozilla Firefox and Thunderbird where a fixed-stack buffer overflow could occur during WebRTC signalling. The vulnerability could lead to an exploitable crash or leak data.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 8.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CWE-120 · Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')