Description
(1) Zend_Dom, (2) Zend_Feed, (3) Zend_Soap, and (4) Zend_XmlRpc in Zend Framework 1.x before 1.11.13 and 1.12.x before 1.12.0 allow remote attackers to cause a denial of service (CPU consumption) via recursive or circular references in an XML entity definition in an XML DOCTYPE declaration, aka an XML Entity Expansion (XEE) attack.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 6.0 | zendframework | 1.10.6-1squeeze3 | DLA-251-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 16.04 LTS | zend-framework | No fix yet | — |
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| Packagist | zendframework/zendframework1 | >= 1.0, < 1.11.13 | 1.11.13 | GHSA-jh4x-4wmf-67pr |
| Packagist | zendframework/zendframework1 | >= 1.12.0-rc1, < 1.12.0 | 1.12.0 | GHSA-jh4x-4wmf-67pr |
Advisories 1
- DLA-251-1 zendframework - security update Debian Security (DSA / DLA) · Mar 9, 2026
References
- MDVSA-2013:115 vendor-advisory
- http://framework.zend.com/security/advisory/ZF2012-02