CVE-2013-1821

CVE-2013-1821 is an XML Entity Expansion (XEE) denial-of-service vulnerability in the REXML parser of Ruby. The provided sources confirm affected Ruby/REXML configurations across multiple lines: Ruby before 1.9.3-p392 (initial description) and extended references indicate the issue affects 1.9.x ...

CVE-2012-4466

CVE-2012-4466 affects Ruby 1.8.7 before patchlevel 371, Ruby 1.9.3 before patchlevel 286, and Ruby 2.0 before revision r37068. The issue allows context-dependent attackers to bypass safe-level restrictions and modify untainted strings via name_err_mesg_to_str, tainting handling for strings. This ...

CVE-2012-4464

Ruby 1.9.3 before patchlevel 286 and 2.0 before revision r37068 are vulnerable to a context-dependent taint bypass via exc_to_s or name_err_to_s in the exception-to-string paths, allowing modification of untainted strings and bypassing safe-level restrictions (distinct from CVE-2012-4466). Root c...