Out-of-bounds Write Affecting firefox-esr package, versions <45.9.0esr-1


0.0
high

Snyk CVSS

    Attack Complexity Low
    Availability High

    Threat Intelligence

    EPSS 1.13% (85th percentile)
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NVD
8.6 high
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Red Hat
8.6 high

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  • Snyk ID SNYK-DEBIANUNSTABLE-FIREFOXESR-354769
  • published 11 Jun 2018
  • disclosed 11 Jun 2018

How to fix?

Upgrade Debian:unstable 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:unstable relevant fixed versions and status.

An out-of-bounds write in "ClearKeyDecryptor" while decrypting some Clearkey-encrypted media content. The "ClearKeyDecryptor" code runs within the Gecko Media Plugin (GMP) sandbox. If a second mechanism is found to escape the sandbox, this vulnerability allows for the writing of arbitrary data within memory, resulting in a potentially exploitable crash. This vulnerability affects Firefox ESR < 45.9, Firefox ESR < 52.1, and Firefox < 53.