The _json_decode function in plugins/context_reaction_block.inc in the Context module 6.x-2.x before 6.x-3.2 and 7.x-3.x before 7.x-3.0 for Drupal, when using a version of PHP that does not support the json_decode function, allows remote attackers to execute arbitrary PHP code via unspecified vectors related to Ajax operations, possibly involving eval injection.
https://drupal.org/node/2113317
https://drupal.org/node/2112791
https://drupal.org/node/2112785
http://lists.fedoraproject.org/pipermail/package-announce/2013-November/122308.html
http://lists.fedoraproject.org/pipermail/package-announce/2013-November/122298.html
http://lists.fedoraproject.org/pipermail/package-announce/2013-November/121433.html
http://drupalcode.org/project/context.git/commitdiff/d7b4afa
http://drupalcode.org/project/context.git/commitdiff/63ef4d9