UBUNTU-CVE-2015-6835
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UBUNTU-CVE-2015-6835
Published: 9 Sept 2015Last Modified: 22 Apr 2026
Upstream:
Aliases:
Summary:
Details: The session deserializer in PHP before 5.4.45, 5.5.x before 5.5.29, and 5.6.x before 5.6.13 mishandles multiple php_var_unserialize calls, which allow remote attackers to execute arbitrary code or cause a denial of service (use-after-free) via crafted session content.
References: https://ubuntu.com/security/CVE-2015-6835, http://www.openwall.com/lists/oss-security/2015/09/07/5, https://ubuntu.com/security/notices/USN-2758-1, https://www.cve.org/CVERecord?id=CVE-2015-6835
Affected packages
Package
Name: php5
Purl: pkg:deb/ubuntu/[email protected]+dfsg-1ubuntu4.13?arch=source&distro=trusty
Affected ranges
Type: ECOSYSTEM
Events:
Introduced- 0
Fixed -5.5.9+dfsg-1ubuntu4.13
Affected versions
5.5.3+dfsg-1ubuntu2
5.5.3+dfsg-1ubuntu3
5.5.6+dfsg-1ubuntu1
5.5.6+dfsg-1ubuntu2
5.5.8+dfsg-2ubuntu1
5.5.9+dfsg-1ubuntu1
5.5.9+dfsg-1ubuntu2
5.5.9+dfsg-1ubuntu3
5.5.9+dfsg-1ubuntu4
5.5.9+dfsg-1ubuntu4.1
5.5.9+dfsg-1ubuntu4.2
5.5.9+dfsg-1ubuntu4.3
5.5.9+dfsg-1ubuntu4.4
5.5.9+dfsg-1ubuntu4.5
5.5.9+dfsg-1ubuntu4.6
5.5.9+dfsg-1ubuntu4.7
5.5.9+dfsg-1ubuntu4.9
5.5.9+dfsg-1ubuntu4.11
5.5.9+dfsg-1ubuntu4.12
Common Vulnerability Scoring System
Attack Vector
Network
Adjacent
Local
Physical
Privileges Required
None
Low
High
User Interaction
None
Required
Scope
Unchanged
Changed
Confidentiality
None
Low
High
Integrity
None
Low
High
Availability
None
Low
High
