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CVE-2016-5258

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…

High8.8EPSS 3.3%
Published
Updated
Reserved
Assigned by
mozilla

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.

Scores

CVSS scores of CVE-2016-5258, by who scored it
Scored byCVSSScoreVector
NVDNVD · Modified3.0High8.8CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS (exploitation in 30 days)
3.3% · top 12% of all CVEs (2 Nov 2026)

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The list uses the assigner's score when there is one, then CISA's, then NVD's: High 8.8.

Weakness

Affected products

  • n/a

    • affected n/a

References (11)

Sources

The same CVE in the primary databases and aggregators, to check against.

Record last updated .