DEBIAN-CVE-2018-5407

Advisory lineage Upstream: 1 Downstream: 3
Upstream
CVE-2018-5407
Published: 15 Nov 2018, 21:29
Last modified:28 Apr 2026, 20:19

Vulnerability Summary

Overall Risk (default)
low
19/100
CVSS Score
4.7 MEDIUM
3.1 (osv_debian)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

15 Nov 2018, 21:29
Published
Vulnerability first disclosed
28 Apr 2026, 20:19
Last Modified
Vulnerability information updated

Description

Simultaneous Multi-threading (SMT) in processors can enable local users to exploit software vulnerable to timing attacks via a side-channel timing attack on 'port contention'.

CVSS Metrics

  • v3.1•MEDIUM•Score: 4.7CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N

Affected Systems

  • debian•openssl

    < 1.1.1~~pre9-1 | < 1.1.1~~pre9-1 | < 1.1.1~~pre9-1 | < 1.1.1~~pre9-1

References (1)