CVE-2015-5276

NameCVE-2015-5276
DescriptionThe 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.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
NVD severitymedium (attack range: remote)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
gcc-4.9 (PTS)jessie4.9.2-10+deb8u1vulnerable
jessie (security)4.9.2-10+deb8u2vulnerable
gcc-5 (PTS)sid5.5.0-12fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
gcc-4.9source(unstable)4.9.3-5medium
gcc-5source(unstable)5.3.0-1medium

Notes

[jessie] - gcc-4.9 <no-dsa> (Minor issue)
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65142
Upstream commit: https://gcc.gnu.org/viewcvs/gcc?view=revision&revision=227687

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