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9.8

PHP before 5.5.33/5.6.19 may crash on crafted XML

CVE-2016-3141 · published 10 years ago
Summary

The PHP software versions earlier than 5.5.33 and 5.6.19 have a flaw in its WDDX component that can be triggered by specially crafted XML data. When an attacker sends this data, the program can become unstable and stop working, potentially disrupting your web applications. Updating PHP to the latest release or disabling the WDDX extension removes the risk.

What to do

The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.

Affected software
VendorProductAffected versions
apple mac_os_x <= 10.11.4
cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*
php php <= 5.5.32
5.6.0
5.6.1
5.6.2
5.6.3
5.6.4
5.6.5
5.6.6
5.6.7
5.6.8
5.6.9
5.6.10
8 more version ranges
cpe:2.3:a:php:php:*:*:*:*:*:*:*:*
Original advisory text
Use-after-free vulnerability in wddx.c in the WDDX extension in PHP before 5.5.33 and 5.6.x before 5.6.19 allows remote attackers to cause a denial of service (memory corruption and application cra...
Use-after-free vulnerability in wddx.c in the WDDX extension in PHP before 5.5.33 and 5.6.x before 5.6.19 allows remote attackers to cause a denial of service (memory corruption and application crash) or possibly have unspecified other impact by triggering a wddx_deserialize call on XML data containing a crafted var element.
References
Fix within
Internet-facing 3 days
Internal 60 days
  • Not known to be exploited
  • Can be exploited automatically (estimated)
  • Gives an attacker full control (estimated)
Severity
9.8 Critical
Exploitation
36% chance of attack within 30 days
Type
CWE-119Buffer Overflow
Timeline
Published31 Mar 2016
Updated29 Sep 2026
First seen29 Sep 2026
Sources
CVE-2016-3141 · NVD
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