UpHeron
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Servers and applications

CVE-2012-6113

The openssl_encrypt function in ext/openssl/openssl.c in PHP 5.3.9 through 5.3.13 does not initialize a certain variable, which allows remote attackers to obtain sensitive information from process memory by providing zero bytes of input data.

Severity
Medium 5.0
Published
19 Jan 2013
Last changed
16 Jun 2026
Added to UpHeron
14 Oct 2026
Exploit chance
2.5% in the next 30 daysHigher than 85% of CVEs. EPSS by FIRST, 12 Nov 2026
Weakness
Information exposure (CWE-200)
Attack
Over the network · No login needed
Attacker can
Read some data
CVSS vector
AV:N/AC:L/Au:N/C:P/I:N/A:N
Sources
NVD

Affected software

SoftwareAffected versions
PHPServers and applications · cpe:a:php:php
  • Version 5.3.9
  • Version 5.3.10
  • Version 5.3.11
  • Version 5.3.12
  • Version 5.3.13

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2012-6113
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2012-6113