UBUNTU-CVE-2015-6834

Advisory lineage Upstream: 1 Downstream: 1
Upstream
CVE-2015-6834
Downstream
USN-2758-1
Published: 09 Sept 2015, 00:00
Last modified:22 Apr 2026, 10:17

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

09 Sept 2015, 00:00
Published
Vulnerability first disclosed
22 Apr 2026, 10:17
Last Modified
Vulnerability information updated

Description

Multiple use-after-free vulnerabilities in PHP before 5.4.45, 5.5.x before 5.5.29, and 5.6.x before 5.6.13 allow remote attackers to execute arbitrary code via vectors related to (1) the Serializable interface, (2) the SplObjectStorage class, and (3) the SplDoublyLinkedList class, which are mishandled during unserialization.

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•php5

    < 5.5.9+dfsg-1ubuntu4.13

References (4)