CVE-2015-8618

HIGHNVD 7.57.5—

7.5

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.

CVSS v3: 7.5
EG Score: 7.5(medium)
EPSS: 73.1%
KEV: Not listed

Published

January 27, 2016

Last Modified

May 6, 2026

References (18)

cve@mitrehttp://lists.fedoraproject.org/pipermail/package-announce/2016-January/175642.html
cve@mitrehttp://lists.fedoraproject.org/pipermail/package-announce/2016-January/176179.html
cve@mitrehttp://lists.opensuse.org/opensuse-updates/2016-05/msg00077.html
cve@mitrehttp://www.openwall.com/lists/oss-security/2015/12/21/6
cve@mitrehttp://www.openwall.com/lists/oss-security/2015/12/22/9
cve@mitrehttp://www.openwall.com/lists/oss-security/2016/01/13/7
cve@mitrehttps://github.com/golang/go/issues/13515
cve@mitrehttps://go-review.googlesource.com/#/c/17672/
cve@mitrehttps://groups.google.com/forum/#%21topic/golang-announce/MEATuOi_ei4
af854a3a-2127-422b-91ae-364da2661108http://lists.fedoraproject.org/pipermail/package-announce/2016-January/175642.html
af854a3a-2127-422b-91ae-364da2661108http://lists.fedoraproject.org/pipermail/package-announce/2016-January/176179.html
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-updates/2016-05/msg00077.html
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2015/12/21/6
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2015/12/22/9
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2016/01/13/7

Affected Packages

(1 across 1 ecosystem)

Go(1)

Package	Vulnerable range	Fixed in	Dependents
stdlib	—	1.5.3	—

Data Freshness Timeline

(refreshed 9× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-02 20:10 UTCepss_batch
2026-06-01 13:49 UTCepss_batch
2026-06-01 13:49 UTCepss_batch
2026-05-31 22:28 UTCepss_batch
2026-05-31 22:28 UTCepss_batch
2026-05-31 00:14 UTCepss_batch
2026-05-29 13:41 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-27 13:38 UTCepss_batch
2026-05-27 13:38 UTCepss_batch
2026-05-26 13:41 UTCepss_batch
2026-05-26 07:16 UTCepss_batch
2026-05-26 07:16 UTCepss_batch
2026-05-24 16:43 UTCepss_batch
2026-05-22 21:36 UTCEG score recompute
2026-05-22 21:35 UTCGHSA enrichment
2026-05-22 21:15 UTCepss_batch
2026-05-21 22:40 UTCepss_batch
2026-05-20 22:37 UTCepss_batch

Frequently asked(5)

What is CVE-2015-8618?

CVE-2015-8618 is a high vulnerability published on January 27, 2016. 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.

When was CVE-2015-8618 disclosed?

CVE-2015-8618 was first published in the National Vulnerability Database on January 27, 2016, with the most recent update on May 6, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2015-8618 actively exploited?

CVE-2015-8618 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 73.1% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2015-8618?

CVE-2015-8618 has a CVSS v3 base score of 7.5 (NVD).

How do I remediate CVE-2015-8618?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2015-8618, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2015-8618

📅 Published

🔄 Last Modified

🔗 References (18)