CVE-2015-6838

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 after the principal argument loop, 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-2015-6837.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
microfocusCNA
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---
CVEADP
---
---
Base Score
CVSS 3.x
EPSS Score
Percentile: 87%
VendorProductVersion
phpphp
5.6.0:alpha1
phpphp
5.6.0:alpha2
phpphp
5.6.0:alpha3
phpphp
5.6.0:alpha4
phpphp
5.6.0:alpha5
phpphp
5.6.0:beta1
phpphp
5.6.0:beta2
phpphp
5.6.0:beta3
phpphp
5.6.0:beta4
phpphp
5.6.1
phpphp
5.6.2
phpphp
5.6.3
phpphp
5.6.4
phpphp
5.6.5
phpphp
5.6.6
phpphp
5.6.7
phpphp
5.6.8
phpphp
5.6.9
phpphp
5.6.10
phpphp
5.6.11
phpphp
5.6.12
xmlsoftlibxml2
𝑥
≤ 2.9.1
phpphp
5.5.0
phpphp
5.5.0:alpha1
phpphp
5.5.0:alpha2
phpphp
5.5.0:alpha3
phpphp
5.5.0:alpha4
phpphp
5.5.0:alpha5
phpphp
5.5.0:alpha6
phpphp
5.5.0:beta1
phpphp
5.5.0:beta2
phpphp
5.5.0:beta3
phpphp
5.5.0:beta4
phpphp
5.5.0:rc1
phpphp
5.5.0:rc2
phpphp
5.5.1
phpphp
5.5.2
phpphp
5.5.3
phpphp
5.5.4
phpphp
5.5.5
phpphp
5.5.6
phpphp
5.5.7
phpphp
5.5.8
phpphp
5.5.9
phpphp
5.5.10
phpphp
5.5.11
phpphp
5.5.12
phpphp
5.5.13
phpphp
5.5.14
phpphp
5.5.15
phpphp
5.5.16
phpphp
5.5.17
phpphp
5.5.18
phpphp
5.5.19
phpphp
5.5.20
phpphp
5.5.21
phpphp
5.5.22
phpphp
5.5.23
phpphp
5.5.24
phpphp
5.5.25
phpphp
5.5.26
phpphp
5.5.27
phpphp
5.5.28
xmlsoftlibxml2
𝑥
≤ 2.9.1
phpphp
𝑥
≤ 5.4.44
xmlsoftlibxml2
𝑥
≤ 2.9.1
𝑥
= Vulnerable software versions
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
php5
vivid
Fixed 5.6.4+dfsg-4ubuntu6.3
released
trusty
Fixed 5.5.9+dfsg-1ubuntu4.13
released
precise
Fixed 5.3.10-1ubuntu3.20
released