
CVE catalog
CVE-2015-8866
Security update for php5
- Severity
- Critical · CVSS 9.6
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H - Published
- Updated
- Source
- [NVD] · [CVE record]
- EPSS
- 4.17% · Oct 25, 2026
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.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Ubuntu | php5 | 14.04 | 5.5.3+dfsg-1ubuntu2 | vulnerable |
| Ubuntu | php5 | 14.04 | 5.5.3+dfsg-1ubuntu3 | vulnerable |
| Ubuntu | php5 | 14.04 | 5.5.6+dfsg-1ubuntu1 | vulnerable |
| Ubuntu | php5 | 14.04 | 5.5.6+dfsg-1ubuntu2 | vulnerable |
| Ubuntu | php5 | 14.04 | 5.5.8+dfsg-2ubuntu1 | vulnerable |
| Ubuntu | php5 | 14.04 | 5.5.9+dfsg-1ubuntu1 | vulnerable |
| Ubuntu | php5 | 14.04 | 5.5.9+dfsg-1ubuntu2 | vulnerable |
| Ubuntu | php5 | 14.04 | 5.5.9+dfsg-1ubuntu3 | vulnerable |
| Ubuntu | php5 | 14.04 | 5.5.9+dfsg-1ubuntu4 | vulnerable |
| Ubuntu | php5 | 14.04 | 5.5.9+dfsg-1ubuntu4.1 | vulnerable |
| Ubuntu | php5 | 14.04 | 5.5.9+dfsg-1ubuntu4.2 | vulnerable |
| Ubuntu | php5 | 14.04 | 5.5.9+dfsg-1ubuntu4.3 | vulnerable |
| Ubuntu | php5 | 14.04 | 5.5.9+dfsg-1ubuntu4.4 | vulnerable |
| Ubuntu | php5 | 14.04 | 5.5.9+dfsg-1ubuntu4.5 | vulnerable |
| Ubuntu | php5 | 14.04 | 5.5.9+dfsg-1ubuntu4.6 | vulnerable |
| Ubuntu | php5 | 14.04 | 5.5.9+dfsg-1ubuntu4.7 | vulnerable |
| Ubuntu | php5 | 14.04 | 5.5.9+dfsg-1ubuntu4.9 | vulnerable |
| Ubuntu | php5 | 14.04 | 5.5.9+dfsg-1ubuntu4.11 | vulnerable |
| Ubuntu | php5 | 14.04 | 5.5.9+dfsg-1ubuntu4.12 | vulnerable |
| Ubuntu | php5 | 14.04 | 5.5.9+dfsg-1ubuntu4.13 | vulnerable |
| Ubuntu | php5 | 14.04 | 5.5.9+dfsg-1ubuntu4.14 | vulnerable |
| Ubuntu | php5 | 14.04 | 5.5.9+dfsg-1ubuntu4.16 | fixed |
| Suse | php53 | linux enterprise software development kit 11 sp4 | 5.3.17-62.1 | fixed |
| Suse | php53 | linux enterprise server 11 sp4 | 5.3.17-62.1 | fixed |
| Suse | php53 | linux enterprise server for sap applications 11 sp4 | 5.3.17-62.1 | fixed |
| Suse | php5 | linux enterprise module for web and scripting 12 | 5.5.14-56.1 | fixed |
| Suse | php5 | linux enterprise software development kit 12 | 5.5.14-56.1 | fixed |
| Suse | php5 | linux enterprise software development kit 12 sp1 | 5.5.14-56.1 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Ubuntu | php5 | deb | 14.04 | 5.5.9+dfsg-1ubuntu4.16 | Not reported | UBUNTU-CVE-2015-8866 | Not reported |
| Suse | php53 | rpm | linux enterprise software development kit 11 sp4 | 5.3.17-62.1 | Not reported | SUSE-SU-2016:1310-1 | Not reported |
| Suse | php53 | rpm | linux enterprise server 11 sp4 | 5.3.17-62.1 | Not reported | SUSE-SU-2016:1310-1 | Not reported |
| Suse | php53 | rpm | linux enterprise server for sap applications 11 sp4 | 5.3.17-62.1 | Not reported | SUSE-SU-2016:1310-1 | Not reported |
| Suse | php5 | rpm | linux enterprise module for web and scripting 12 | 5.5.14-56.1 | Not reported | SUSE-SU-2016:1277-1 | Not reported |
| Suse | php5 | rpm | linux enterprise software development kit 12 | 5.5.14-56.1 | Not reported | SUSE-SU-2016:1277-1 | Not reported |
| Suse | php5 | rpm | linux enterprise software development kit 12 sp1 | 5.5.14-56.1 | Not reported | SUSE-SU-2016:1277-1 | Not reported |
OpenFactory catalog packages
No matching packages in this catalog.
Observed:
References
- [https://ftp.suse.com/pub/projects/security/csaf/suse-su-2016_1277-1.json]
- [https://osv.dev/vulnerability/SUSE-SU-2016:1277-1]
- [https://osv.dev/vulnerability/SUSE-SU-2016:1310-1]
- [https://osv.dev/vulnerability/UBUNTU-CVE-2015-8866]
- [https://security.access.redhat.com/data/csaf/v2/vex/2015/cve-2015-8866.json]
[FIRST EPSS] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]