Ubuntu Security Notice 6838-1 - It was discovered that Ruby RDoc incorrectly parsed certain YAML files. If a user or automated system were tricked into parsing a specially crafted .rdoc_options file, a remote attacker could possibly use this issue to execute arbitrary code. It was discovered that the Ruby regex compiler incorrectly handled certain memory operations. A remote attacker could possibly use this issue to obtain sensitive memory contents.
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Debian Linux Security Advisory 5677-1 - Several vulnerabilities have been discovered in the interpreter for the Ruby language, which may result in information disclosure, denial of service or the execution of arbitrary code.
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