CVE-2017-5470
Mozilla: Memory safety bugs fixed in Firefox 54 and Firefox ESR 52.2 (MFSA 2017-16)
Severity
CriticalRed Hat Product Security
CVSS 3.0
Review impact separately from score.
Published · June 14, 2017
Updated · November 26, 2025
Description
Memory safety bugs were reported in Firefox 53 and Firefox ESR 52.1. Some of these bugs showed evidence of memory corruption and we presume that with enough effort that some of these could be exploited to run arbitrary code. This vulnerability affects Firefox < 54, Firefox ESR < 52.2, and Thunderbird < 52.2.
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 · 9.8CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE not specified