VULNERABILITY INTELLIGENCE

CVE-2016-5258

CVSS score8.8 HIGH
EPSS probability3.26%
CISA KEVNot currently listed
Published2016-08-05
Last modified2026-06-17
CVSS vectorCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Description

Use-after-free vulnerability in the WebRTC socket thread in Mozilla Firefox before 48.0 and Firefox ESR 45.x before 45.3 allows remote attackers to execute arbitrary code by leveraging incorrect free operations on DTLS objects during the shutdown of a WebRTC session.

Weakness classification

  • CWE-416: Use After Free

Primary references