The internal feed reader APIs that crossed the sandbox barrier allowed for a sandbox escape and escalation of privilege if combined with another vulnerability that resulted in remote code execution inside the sandboxed process. This vulnerability affects Firefox ESR < 52.1 and Firefox < 53.
History

Tue, 25 Nov 2025 18:00:00 +0000

Type Values Removed Values Added
CPEs cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*
Vendors & Products Mozilla firefox Esr

cve-icon MITRE

Status: PUBLISHED

Assigner: mozilla

Published: 2018-06-11T21:00:00

Updated: 2024-08-05T15:04:14.417Z

Reserved: 2017-01-13T00:00:00

Link: CVE-2017-5455

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2018-06-11T21:29:06.810

Modified: 2025-11-25T17:50:16.803

Link: CVE-2017-5455

cve-icon Redhat

Severity : Important

Publid Date: 2017-04-19T00:00:00Z

Links: CVE-2017-5455 - Bugzilla