CVE-2016-5258

HighCVSS 8.8/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.0 8.8/10CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Aug 5, 2016
Last modified
Jun 17, 2026
NVD status
Modified

Related CVEs from 2016

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CVE-2016-5258: High severity, CVSS 8.8 | Vulnix