Use After Free Affecting firefox-esr package, versions <45.9.0esr-1


Severity

Recommended
0.0
critical
0
10

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Threat Intelligence

EPSS
0.44% (75th percentile)

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  • Snyk IDSNYK-DEBIAN13-FIREFOXESR-5679688
  • published11 Jun 2018
  • disclosed11 Jun 2018

Introduced: 11 Jun 2018

CVE-2017-5433  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade Debian:13 firefox-esr to version 45.9.0esr-1 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:13 relevant fixed versions and status.

A use-after-free vulnerability in SMIL animation functions occurs when pointers to animation elements in an array are dropped from the animation controller while still in use. This results in a potentially exploitable crash. This vulnerability affects Thunderbird < 52.1, Firefox ESR < 45.9, Firefox ESR < 52.1, and Firefox < 53.