DescriptionThe Int.Exp Montgomery code in the math/big library in Go 1.5.x before 1.5.3 mishandles carry propagation and produces incorrect output, which makes it easier for attackers to obtain private RSA keys 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
Debian Bugs809168

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
golang (PTS)jessie2:1.3.3-1fixed
jessie (security)2:1.3.3-1+deb8u2fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
golangsourcejessie(not affected)
golangsourcewheezy(not affected)


[jessie] - golang <not-affected> (Introduced in 1.5 release)
[wheezy] - golang <not-affected> (Introduced in 1.5 release)
Introduced in 1.5 release. Fixed in 1.5.3 upstream.

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