UBUNTU-CVE-2016-5287

Advisory lineage Upstream: 1 Downstream: 1
Upstream
CVE-2016-5287
Downstream
USN-3111-1
Published: 25 Oct 2016, 00:00
Last modified:22 Apr 2026, 10:51

Vulnerability Summary

Overall Risk (default)
high
70/100
CVSS Score
9.8 CRITICAL
3.0 (osv_ubuntu)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

25 Oct 2016, 00:00
Published
Vulnerability first disclosed
22 Apr 2026, 10:51
Last Modified
Vulnerability information updated

Description

A potentially exploitable use-after-free crash during actor destruction with service workers. This issue does not affect releases earlier than Firefox 49. This vulnerability affects Firefox < 49.0.2.

CVSS Metrics

  • v3.0•CRITICAL•Score: 9.8CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Systems

  • ubuntu•firefox

    < 49.0.2+build2-0ubuntu0.14.04.1 | < 49.0.2+build2-0ubuntu0.16.04.2

References (4)