CVE-2015-6837
At a glance Severity Not available EPSS EPSS 7.35 % · percentile 94 (2026-10-27) State PUBLISHED Published 2016-05-16 Updated 2024-08-06 Assigner microfocus NVD status Modified Description 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.
Scores Version Score Vector Scored by CVSS 3.0 HIGH 7.5 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H NVD · nvd@nist.gov (Primary) CVSS 2.0 MEDIUM 5.0 AV:N/AC:L/Au:N/C:N/I:N/A:P NVD · nvd@nist.gov (Primary)
European references
CERT-FR advisories
Affected configurations (NVD CPE) cpe:2.3:a:php:php:5.6.0:alpha1:*:*:*:*:*:*cpe:2.3:a:php:php:5.6.0:alpha2:*:*:*:*:*:*cpe:2.3:a:php:php:5.6.0:alpha3:*:*:*:*:*:*cpe:2.3:a:php:php:5.6.0:alpha4:*:*:*:*:*:*cpe:2.3:a:php:php:5.6.0:alpha5:*:*:*:*:*:*cpe:2.3:a:php:php:5.6.0:beta1:*:*:*:*:*:*cpe:2.3:a:php:php:5.6.0:beta2:*:*:*:*:*:*cpe:2.3:a:php:php:5.6.0:beta3:*:*:*:*:*:*cpe:2.3:a:php:php:5.6.0:beta4:*:*:*:*:*:*cpe:2.3:a:php:php:5.6.1:*:*:*:*:*:*:*cpe:2.3:a:php:php:5.6.2:*:*:*:*:*:*:*cpe:2.3:a:php:php:5.6.3:*:*:*:*:*:*:*cpe:2.3:a:php:php:5.6.4:*:*:*:*:*:*:*cpe:2.3:a:php:php:5.6.5:*:*:*:*:*:*:*cpe:2.3:a:php:php:5.6.6:*:*:*:*:*:*:*cpe:2.3:a:php:php:5.6.7:*:*:*:*:*:*:*cpe:2.3:a:php:php:5.6.8:*:*:*:*:*:*:*cpe:2.3:a:php:php:5.6.9:*:*:*:*:*:*:*cpe:2.3:a:php:php:5.6.10:*:*:*:*:*:*:*cpe:2.3:a:php:php:5.6.11:*:*:*:*:*:*:*cpe:2.3:a:php:php:5.6.12:*:*:*:*:*:*:*cpe:2.3:a:xmlsoft:libxml2:*:*:*:*:*:*:*:* ≤ 2.9.1cpe:2.3:a:php:php:*:*:*:*:*:*:*:* ≤ 5.4.44cpe:2.3:a:xmlsoft:libxml2:*:*:*:*:*:*:*:* ≤ 2.9.1cpe:2.3:a:php:php:5.5.0:*:*:*:*:*:*:*cpe:2.3:a:php:php:5.5.0:alpha1:*:*:*:*:*:*cpe:2.3:a:php:php:5.5.0:alpha2:*:*:*:*:*:*cpe:2.3:a:php:php:5.5.0:alpha3:*:*:*:*:*:*cpe:2.3:a:php:php:5.5.0:alpha4:*:*:*:*:*:*cpe:2.3:a:php:php:5.5.0:alpha5:*:*:*:*:*:*cpe:2.3:a:php:php:5.5.0:alpha6:*:*:*:*:*:*cpe:2.3:a:php:php:5.5.0:beta1:*:*:*:*:*:*cpe:2.3:a:php:php:5.5.0:beta2:*:*:*:*:*:*cpe:2.3:a:php:php:5.5.0:beta3:*:*:*:*:*:*cpe:2.3:a:php:php:5.5.0:beta4:*:*:*:*:*:*cpe:2.3:a:php:php:5.5.0:rc1:*:*:*:*:*:*cpe:2.3:a:php:php:5.5.0:rc2:*:*:*:*:*:*cpe:2.3:a:php:php:5.5.1:*:*:*:*:*:*:*cpe:2.3:a:php:php:5.5.2:*:*:*:*:*:*:*cpe:2.3:a:php:php:5.5.3:*:*:*:*:*:*:*+26 more Affected products Product Versions affected n/a
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