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Vulnerabilities in the PHP language itself, and which PHP versions they affect.

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CVE-2015-8866

CRITICAL 9.6 CVSS 3.1
Published
May 22, 2016
Last modified
June 17, 2026
NVD status
Modified
Reported by
cve@mitre.org
Weakness
CWE-611
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

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.

Affected products and versions

  • PHP — From 5.5.0 (including) to 5.5.22 (excluding)
  • PHP — From 5.6.0 (including) to 5.6.6 (excluding)
  • PHP — From 7.0.0 (including) to 7.0.27 (excluding)
  • PHP — From 7.1.0 (including) to 7.1.13 (excluding)
  • PHP — From 7.2.0 (including) to 7.2.1 (excluding)

References

  • git.php.net http://git.php.net/?p=php-src.git%3Ba=commit%3Bh=de31324c221c1791b26350ba106cc26bad23ace9
  • lists.opensuse.org http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00031.html Mailing List, Third Party Advisory
  • lists.opensuse.org http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00033.html Mailing List, Third Party Advisory
  • lists.opensuse.org http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00056.html Mailing List, Third Party Advisory
  • rhn.redhat.com http://rhn.redhat.com/errata/RHSA-2016-2750.html Third Party Advisory
  • www.openwall.com http://www.openwall.com/lists/oss-security/2016/04/24/1 Mailing List, Patch, Third Party Advisory
  • www.php.net http://www.php.net/ChangeLog-5.php Release Notes, Vendor Advisory
  • www.securityfocus.com http://www.securityfocus.com/bid/87470 Third Party Advisory, VDB Entry
  • www.ubuntu.com http://www.ubuntu.com/usn/USN-2952-1 Third Party Advisory
  • www.ubuntu.com http://www.ubuntu.com/usn/USN-2952-2 Third Party Advisory
  • bugs.launchpad.net https://bugs.launchpad.net/ubuntu/+source/php5/+bug/1509817 Issue Tracking, Patch, Third Party Advisory
  • bugs.php.net https://bugs.php.net/bug.php?id=64938 Exploit, Issue Tracking, Patch, Vendor Advisory
  • nvd.nist.gov Official NVD record