Critical severity9.6NVD Advisory· Published May 22, 2016· Updated Jun 17, 2026
CVE-2015-8866
CVE-2015-8866
Description
ext/libxml/libxml.c in PHP before 5.5.22 and 5.6.x before 5.6.6, when PHP-FPM is used, does not isolate each thread from libxml_disable_entity_loader changes in other threads, which allows remote attackers to conduct XML External Entity (XXE) and XML Entity Expansion (XEE) attacks via a crafted XML document, a related issue to CVE-2015-5161.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
22cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:-:*:*:*+ 2 more
- cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:-:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:15.10:*:*:*:*:*:*:*
- cpe:2.3:o:suse:linux_enterprise_module_for_web_scripting:12:*:*:*:*:*:*:*
cpe:2.3:o:suse:linux_enterprise_software_development_kit:12:-:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:suse:linux_enterprise_software_development_kit:12:-:*:*:*:*:*:*
- cpe:2.3:o:suse:linux_enterprise_software_development_kit:12:sp1:*:*:*:*:*:*
- osv-coords12 versionspkg:rpm/suse/php53&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP2-LTSSpkg:rpm/suse/php53&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP3-LTSSpkg:rpm/suse/php53&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP3-TERADATApkg:rpm/suse/php53&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4pkg:rpm/suse/php53&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2011%20SP4pkg:rpm/suse/php53&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2011%20SP4pkg:rpm/suse/php53&distro=SUSE%20Manager%202.1pkg:rpm/suse/php53&distro=SUSE%20Manager%20Proxy%202.1pkg:rpm/suse/php53&distro=SUSE%20OpenStack%20Cloud%205pkg:rpm/suse/php5&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Web%20and%20Scripting%2012pkg:rpm/suse/php5&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012pkg:rpm/suse/php5&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP1
< 5.3.17-47.1+ 11 more
- (no CPE)range: < 5.3.17-47.1
- (no CPE)range: < 5.3.17-71.1
- (no CPE)range: < 5.3.17-71.1
- (no CPE)range: < 5.3.17-62.1
- (no CPE)range: < 5.3.17-62.1
- (no CPE)range: < 5.3.17-62.1
- (no CPE)range: < 5.3.17-71.1
- (no CPE)range: < 5.3.17-71.1
- (no CPE)range: < 5.3.17-71.1
- (no CPE)range: < 5.5.14-56.1
- (no CPE)range: < 5.5.14-56.1
- (no CPE)range: < 5.5.14-56.1
Patches
Vulnerability mechanics
References
12- www.openwall.com/lists/oss-security/2016/04/24/1nvdMailing ListPatchThird Party Advisory
- bugs.launchpad.net/ubuntu/+source/php5/+bug/1509817nvdIssue TrackingPatchThird Party Advisory
- bugs.php.net/bug.phpnvdExploitIssue TrackingPatchVendor Advisory
- lists.opensuse.org/opensuse-security-announce/2016-05/msg00031.htmlnvdMailing ListThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2016-05/msg00033.htmlnvdMailing ListThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2016-05/msg00056.htmlnvdMailing ListThird Party Advisory
- rhn.redhat.com/errata/RHSA-2016-2750.htmlnvdThird Party Advisory
- www.php.net/ChangeLog-5.phpnvdRelease NotesVendor Advisory
- www.securityfocus.com/bid/87470nvdThird Party AdvisoryVDB Entry
- www.ubuntu.com/usn/USN-2952-1nvdThird Party Advisory
- www.ubuntu.com/usn/USN-2952-2nvdThird Party Advisory
- git.php.netnvd
News mentions
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