Out-of-Bounds Affecting firefox-esr package, versions <45.8.0esr-1~deb8u1


Severity

Recommended
0.0
critical
0
10

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Threat Intelligence

EPSS
0.49% (77th percentile)

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  • Snyk IDSNYK-DEBIAN8-FIREFOXESR-354261
  • published11 Jun 2018
  • disclosed11 Jun 2018

Introduced: 11 Jun 2018

CVE-2017-5400  (opens in a new tab)
CWE-119  (opens in a new tab)

How to fix?

Upgrade Debian:8 firefox-esr to version 45.8.0esr-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.

JIT-spray targeting asm.js combined with a heap spray allows for a bypass of ASLR and DEP protections leading to potential memory corruption attacks. This vulnerability affects Firefox < 52, Firefox ESR < 45.8, Thunderbird < 52, and Thunderbird < 45.8.