Out-of-Bounds Affecting firefox package, versions <0:38.2.0-4.el7_1


Severity

Recommended
critical

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
1.42% (87th percentile)

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  • Snyk IDSNYK-RHEL7-FIREFOX-4565287
  • published26 Jul 2021
  • disclosed11 Aug 2015

Introduced: 11 Aug 2015

CVE-2015-4486  (opens in a new tab)
CWE-119  (opens in a new tab)

How to fix?

Upgrade RHEL:7 firefox to version 0:38.2.0-4.el7_1 or higher.
This issue was patched in RHSA-2015:1586.

NVD Description

Note: Versions mentioned in the description apply only to the upstream firefox package and not the firefox package as distributed by RHEL. See How to fix? for RHEL:7 relevant fixed versions and status.

The decrease_ref_count function in libvpx in Mozilla Firefox before 40.0 and Firefox ESR 38.x before 38.2 allows remote attackers to execute arbitrary code or cause a denial of service (out-of-bounds read) via malformed WebM video data.

CVSS Scores

version 3.1