CVE-2011-1939 SQL injection in PHP

What is CVE-2011-1939?

CVE-2011-1939 is a critical SQL injection vulnerability in Debian Debian Linux, published on 26 Nov 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

SQL injection vulnerability in Zend Framework 1.10.x before 1.10.9 and 1.11.x before 1.11.6 when using non-ASCII-compatible encodings in conjunction PDO_MySql in PHP before 5.3.6.

Weakness: CWE-89

Which versions are affected by CVE-2011-1939?

It affects 3 products.

Products include Debian Debian Linux, Php Php, Zend Zend Framework.

How do I fix CVE-2011-1939?

Upgrade to a fixed version.

Use parameterised queries everywhere and never build SQL by joining strings. Upgrade affected software first; a web application firewall only buys time. More about SQL injection.

Is CVE-2011-1939 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2011-1939 exists.

Public exploit code: 1 Exploit-DB entry.

Other vulnerabilities in Debian Debian Linux

• CVE-2015-3306 ProFTPD Improper Access Control Exploited Critical 10.0
• CVE-2025-49113 RoundCube Webmail Deserialization of Untrusted Data Exploited Critical 9.9
• CVE-2026-24061 GNU InetUtils Argument Injection Exploited Critical 9.8
• CVE-2025-39682 Linux Kernel Improper Check for Unusual or Exceptional Conditions Exploited Critical 9.8
• CVE-2024-9680 Mozilla Firefox Use-After-Free Exploited Critical 9.8

All Debian Debian Linux vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-v2wg-2jpv-87h6.