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ubuntucveUbuntu.comUB:CVE-2015-6837
HistorySep 09, 2015 - 12:00 a.m.

CVE-2015-6837

2015-09-0900:00:00
ubuntu.com
ubuntu.com
17

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:N/I:N/A:P

0.028 Low

EPSS

Percentile

90.5%

The xsl_ext_function_php function in ext/xsl/xsltprocessor.c in PHP before
5.4.45, 5.5.x before 5.5.29, and 5.6.x before 5.6.13, when libxml2 before
2.9.2 is used, does not consider the possibility of a NULL valuePop return
value before proceeding with a free operation during initial error
checking, which allows remote attackers to cause a denial of service (NULL
pointer dereference and application crash) via a crafted XML document, a
different vulnerability than CVE-2015-6838.

Bugs

Notes

Author Note
sbeattie DoS only?
OSVersionArchitecturePackageVersionFilename
ubuntu12.04noarchphp5< 5.3.10-1ubuntu3.20UNKNOWN
ubuntu14.04noarchphp5< 5.5.9+dfsg-1ubuntu4.13UNKNOWN
ubuntu15.04noarchphp5< 5.6.4+dfsg-4ubuntu6.3UNKNOWN

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:N/I:N/A:P

0.028 Low

EPSS

Percentile

90.5%