CVE-2011-2705

MediumCVSS 5.0/10Last modified Jun 16, 2026

Description

The SecureRandom.random_bytes function in lib/securerandom.rb in Ruby before 1.8.7-p352 and 1.9.x before 1.9.2-p290 relies on PID values for initialization, which makes it easier for context-dependent attackers to predict the result string by leveraging knowledge of random strings obtained in an earlier process with the same PID.

Metrics

CVSS 2.0 5.0/10AV:N/AC:L/Au:N/C:P/I:N/A:N

Weakness enumeration

CWE-20

Affected software

No affected versions have been published.

Timeline

Published: Aug 5, 2011
Last modified: Jun 16, 2026
NVD status: Modified

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