Use After Free Affecting firefox-esr package, versions <45.3.0esr-1~deb8u1


Severity

Recommended
0.0
high
0
10

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Threat Intelligence

EPSS
2.55% (91st percentile)

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  • Snyk IDSNYK-DEBIAN8-FIREFOXESR-354965
  • published5 Aug 2016
  • disclosed5 Aug 2016

Introduced: 5 Aug 2016

CVE-2016-5258  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade Debian:8 firefox-esr to version 45.3.0esr-1~deb8u1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream firefox-esr package and not the firefox-esr package as distributed by Debian. See How to fix? for Debian:8 relevant fixed versions and status.

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.