CVEvulnerability

CVE-2014-8142

7.5 HIGH Published 2014-12-20 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2014-12-20
Last modified
2026-06-17
Assigner
[email protected]
CVSS 2.0 ([email protected])
7.5 HIGH — AV:N/AC:L/Au:N/C:P/I:P/A:P

Description

Use-after-free vulnerability in the process_nested_data function in ext/standard/var_unserializer.re in PHP before 5.4.36, 5.5.x before 5.5.20, and 5.6.x before 5.6.4 allows remote attackers to execute arbitrary code via a crafted unserialize call that leverages improper handling of duplicate keys within the serialized properties of an object, a different vulnerability than CVE-2004-1019.

Affected configurations

• php php (<= 5.4.35) • php php 5.5.0 • php php 5.5.1 • php php 5.5.2 • php php 5.5.3 • php php 5.5.4 • php php 5.5.5 • php php 5.5.6 • php php 5.5.7 • php php 5.5.8 • php php 5.5.9 • php php 5.5.10 • php php 5.5.11 • php php 5.5.12 • php php 5.5.13 • php php 5.5.14 • php php 5.5.15 • php php 5.5.16 • php php 5.5.17 • php php 5.5.18 • php php 5.5.19 • php php 5.6.0 • php php 5.6.1 • php php 5.6.2 • php php 5.6.3

References