CVE-2015-5276
gcc: Predictable randomness from std::random_device
Severity
LowRed Hat Product Security
CVSS 2.0
Review impact separately from score.
Published · February 20, 2015
Updated · February 26, 2026
Description
The std::random_device class in libstdc++ in the GNU Compiler Collection (aka GCC) before 4.9.4 does not properly handle short reads from blocking sources, which makes it easier for context-dependent attackers to predict the random values via unspecified vectors.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 2.0 · 3.3AV:L/AC:M/Au:N/C:P/I:P/A:N
CWE-1241 · Use of Predictable Algorithm in Random Number Generator