DEBIAN-CVE-2018-12367

Advisory lineage Upstream: 1 Downstream: 2
Published: 18 Oct 2018, 13:29
Last modified:28 Apr 2026, 20:18

Vulnerability Summary

Overall Risk (default)
low
17/100
CVSS Score
4.3 MEDIUM
3.0 (osv_debian)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

18 Oct 2018, 13:29
Published
Vulnerability first disclosed
28 Apr 2026, 20:18
Last Modified
Vulnerability information updated

Description

In the previous mitigations for Spectre, the resolution or precision of various methods was reduced to counteract the ability to measure precise time intervals. In that work PerformanceNavigationTiming was not adjusted but it was found that it could be used as a precision timer. This vulnerability affects Thunderbird < 60, Firefox ESR < 60.1, and Firefox < 61.

CVSS Metrics

  • v3.0MEDIUMScore: 4.3CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N

Affected Systems

  • debianthunderbird

    < 1:60.0-1 | < 1:60.0-1 | < 1:60.0-1 | < 1:60.0-1

References (1)