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Servers and applications

CVE-2012-0781

The tidy_diagnose function in PHP 5.3.8 might allow remote attackers to cause a denial of service (NULL pointer dereference and application crash) via crafted input to an application that attempts to perform Tidy::diagnose operations on invalid objects, a different vulnerability than CVE-2011-4153.

Severity
Medium 5.0
Published
18 Jan 2012
Last changed
16 Jun 2026
Added to UpHeron
14 Oct 2026
Exploit chance
10% in the next 30 daysHigher than 95% of CVEs. EPSS by FIRST, 12 Nov 2026
Weakness
CWE-399
Attack
Over the network · No login needed
Attacker can
Slow it down
CVSS vector
AV:N/AC:L/Au:N/C:N/I:N/A:P
Sources
NVD

Affected software

SoftwareAffected versions
PHPServers and applications · cpe:a:php:php
  • Version 5.3.8

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2012-0781
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2012-0781