UBUNTU-CVE-2015-8838

Advisory lineage Upstream: 1 Downstream: 1
Upstream
CVE-2015-8838
Downstream
USN-2952-1
Published: 31 Dec 2015, 00:00
Last modified:22 Apr 2026, 10:23

Vulnerability Summary

Overall Risk (default)
low
24/100
CVSS Score
5.9 MEDIUM
3.0 (osv_ubuntu)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

31 Dec 2015, 00:00
Published
Vulnerability first disclosed
22 Apr 2026, 10:23
Last Modified
Vulnerability information updated

Description

ext/mysqlnd/mysqlnd.c in PHP before 5.4.43, 5.5.x before 5.5.27, and 5.6.x before 5.6.11 uses a client SSL option to mean that SSL is optional, which allows man-in-the-middle attackers to spoof servers via a cleartext-downgrade attack, a related issue to CVE-2015-3152.

CVSS Metrics

  • v3.0•MEDIUM•Score: 5.9CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N

Affected Systems

  • ubuntu•php5

    < 5.5.9+dfsg-1ubuntu4.16

References (3)