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.
CVSS Details
- CVSS 3.1 Base Score: 7.5
- CVSS 3.0 Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | — | Upgrade php | Aug 30, 2017 | Jan 19, 2016 |
| Apple Osx Accelerateframework | — | Upgrade macOS to the latest versionApply OS X security update 2015-007 | Oct 22, 2015 | Oct 22, 2015 |
| Apple Osx Apachemodphp | — | Apply OS X security update 2015-007 MavericksUpgrade macOS to the latest versionApply OS X security update 2015-004 Yosemite | Mar 29, 2016 | Mar 29, 2016 |
| F5 Big Ip | — | Update F5 BIG-IP to the latest version | Jun 17, 2026 | Oct 8, 2015 |
| Freebsd | — | Upgrade php56-xslUpgrade php5-xslUpgrade php5Upgrade php55-soapUpgrade php56Upgrade php56-soapUpgrade php55-xslUpgrade php55Upgrade php5-soap | Dec 10, 2025 | Sep 8, 2015 |
| Gentoo Linux | — | Upgrade dev-lang/php. | Oct 30, 2017 | May 16, 2016 |
| Oracle Solaris | — | Upgrade entire/ to version 11.4-11.4.0.0.1.15.0 on Solaris 11.4 | Oct 19, 2018 | May 16, 2016 |
| Php | — | Upgrade to PHP version 5.5.29Upgrade to PHP version 5.4.45Upgrade to PHP version 5.6.13 | Jun 3, 2016 | May 16, 2016 |
| Redhat_linux | — | No solution exists | Jul 9, 2025 | Jun 9, 2015 |
| Suse | — | Upgrade php5-posixUpgrade php53-xmlrpcUpgrade php5-pcntlUpgrade php53-posixUpgrade php5-gmpUpgrade php5-xmlwriterUpgrade php53-ldapUpgrade php53-imapUpgrade php53-bcmathUpgrade php5-mbstringUpgrade php53-pspellUpgrade php53-socketsUpgrade php53-iconvUpgrade php53-xslUpgrade php5-zipUpgrade php53-pearUpgrade php53-curlUpgrade php53-opensslUpgrade php53-bz2Upgrade php5-zlibUpgrade php5-tokenizerUpgrade php53-mysqlUpgrade php53-tokenizerUpgrade php53-xmlreaderUpgrade php5-pgsqlUpgrade php5-mcryptUpgrade php53-gettextUpgrade php53-dbaUpgrade php5-ftpUpgrade php53-fastcgiUpgrade php5-enchantUpgrade php5-dbaseUpgrade php53-wddxUpgrade php5-calendarUpgrade php53-intlUpgrade php53-develUpgrade php53-exifUpgrade php5-develUpgrade php5-gettextUpgrade php5-dbaUpgrade php53-suhosinUpgrade php53-pgsqlUpgrade apache2-mod_php5Upgrade php53-gmpUpgrade php5-mysqlUpgrade php53-zipUpgrade php5-wddxUpgrade php5-odbcUpgrade php53-ftpUpgrade php5-opcacheUpgrade php53-odbcUpgrade php53-soapUpgrade php5-xmlreaderUpgrade php53-snmpUpgrade php5-fileinfoUpgrade php53-zlibUpgrade php53-mbstringUpgrade php53-fileinfoUpgrade php5-socketsUpgrade php5-gdUpgrade php5-soapUpgrade php5-intlUpgrade php5-ldapUpgrade php53-gdUpgrade php5-fastcgiUpgrade php5-pspellUpgrade php5-xmlrpcUpgrade php53-readlineUpgrade php5-pdoUpgrade php5-xslUpgrade php53-domUpgrade php53-mcryptUpgrade php5-sysvmsgUpgrade php53-pcntlUpgrade php5-curlUpgrade php53-sqliteUpgrade php5-fpmUpgrade php5-opensslUpgrade php5-domUpgrade php5-shmopUpgrade php5-suhosinUpgrade php53-tidyUpgrade php53-xmlwriterUpgrade php5-hashUpgrade php5-sqliteUpgrade apache2-mod_php53Upgrade php5-jsonUpgrade php53-jsonUpgrade php5-snmpUpgrade php5Upgrade php5-ctypeUpgrade php53-shmopUpgrade php53-calendarUpgrade php53Upgrade php53-pdoUpgrade php5-sysvshmUpgrade php5-bcmathUpgrade php5-pearUpgrade php53-ctypeUpgrade php5-exifUpgrade php53-sysvsemUpgrade php53-sysvmsgUpgrade php5-iconvUpgrade php53-sysvshmUpgrade php5-bz2Upgrade php5-sysvsem | Dec 18, 2015 | Sep 25, 2015 |
| Ubuntu | — | Upgrade php5-cgiUpgrade php5-cliUpgrade php5-fpmUpgrade libapache2-mod-php5 | Nov 8, 2024 | May 16, 2016 |
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