CVSS 3.0
7.5 highCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:NCVE-2017-5455
High (7.5). EPSS 3.4% chance of exploitation in the next 30 days.
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.
Severity
- EPSS
- 3.4% chance of exploitation in the next 30 days; higher than 88% of CVEs (scores of 2026-10-31)
- Published
- Modified
- Record from
- the NVD, synced
Affected
- mozilla:firefox
- redhat:enterprise_linux
- redhat:enterprise_linux_desktop
- redhat:enterprise_linux_server
- redhat:enterprise_linux_server_aus
- redhat:enterprise_linux_server_eus
- redhat:enterprise_linux_workstation