What’s Vulnerable › Vulnerabilities

CVE-2015-8618

• Severity: high (CVSS 7.5 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2016-01-27 · updated 2026-06-17
• Weakness: CWE-200

Description

The 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.

Affected products

• Go: 1.5, 1.5.1, 1.5.2
• openSUSE Leap: 42.1

References

• http://lists.fedoraproject.org/pipermail/package-announce/2016-January/175642.html
• http://lists.fedoraproject.org/pipermail/package-announce/2016-January/176179.html
• http://lists.opensuse.org/opensuse-updates/2016-05/msg00077.html
• http://www.openwall.com/lists/oss-security/2015/12/21/6
• http://www.openwall.com/lists/oss-security/2015/12/22/9
• http://www.openwall.com/lists/oss-security/2016/01/13/7
• https://github.com/golang/go/issues/13515
• https://go-review.googlesource.com/#/c/17672/
• https://groups.google.com/forum/#%21topic/golang-announce/MEATuOi_ei4
• http://lists.fedoraproject.org/pipermail/package-announce/2016-January/175642.html
• http://lists.fedoraproject.org/pipermail/package-announce/2016-January/176179.html
• http://lists.opensuse.org/opensuse-updates/2016-05/msg00077.html

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