CVE-2014-3515 Deserialization in n/a

What is CVE-2014-3515?

CVE-2014-3515 is a high-severity unsafe deserialization vulnerability in Debian Debian Linux, published on 9 Jul 2014. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The SPL component in PHP before 5.4.30 and 5.5.x before 5.5.14 incorrectly anticipates that certain data structures will have the array data type after unserialization, which allows remote attackers to execute arbitrary code via a crafted string that triggers use of a Hashtable destructor, related to "type confusion" issues in (1) ArrayObject and (2) SPLObjectStorage.

Which versions are affected by CVE-2014-3515?

It affects 2 products.

Products include Debian Debian Linux, Php Php.

How do I fix CVE-2014-3515?

Upgrade to a fixed version.

Upgrade, and only deserialise data from trusted sources or with an allow-list of types. More about Unsafe deserialization.

Is CVE-2014-3515 being exploited?

There is no known exploitation of CVE-2014-3515 in the wild and no public exploit code.

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-x775-rjw6-fgf2, UBUNTU-CVE-2014-3515.