CVE-2016-5256

Mozilla: Memory safety bugs fixed in Firefox 49 (MFSA 2016-85)

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Severity

Critical

Red Hat Product Security

9.8

CVSS 3.0

Review impact separately from score.

Published · September 20, 2016

Updated · November 5, 2026

Description

Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox before 49.0 allow remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via unknown vectors.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.0 · 9.8
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS 2.0 · 6.8
AV:N/AC:M/Au:N/C:P/I:P/A:P

CWE not specified