01 Record

CVE-2015-8618

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

UnratedPUBLISHEDCNA: mitre

CNA base scoreUnratedNo CNA CVSS vector

View raw JSON

02 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

03 Exploitation and scoring

Exploitation: Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision: Not assessed by CISA
EPSS probability: 2.63% probability of exploitation activity in the next 30 days.
EPSS percentile: Equal to or higher than the score of 85.3% of scored records. A rank, not a probability.
NVD base score: 7.5 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
NVD analysis status: Modified. NVD last modified this record on 2026-06-17.
Red Hat severity: Low. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published

2016-01-27 20:00Z10 YR AGO

Last updated

2024-08-06 08:20Z2 YR AGO

Reserved

2015-12-22

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

CWE-200Exposure of Sensitive Information to an Unauthorized ActorClass

Data version

5.1

Document digest

942d16a65fd57078117a929a2438ac6f40a349bd72d82239cac1efa818ed4977

05 Affected products

VendorProductVersionsPlatforms

golanggoNot specified—

opensuseleapNot specified—

redhatenterprise_linuxNot specified—

redhatopenshiftNot specified—

redhatstorageNot specified—

06 References

lists.fedoraproject.orgFEDORA-2016-5a073cbd93http://lists.fedoraproject.org/pipermail/package-announce/2016-January/175642.htmlvendor-advisoryx_refsource_FEDORA
www.openwall.com[oss-security] 20160113 [security] Go security release v1.5.3http://www.openwall.com/lists/oss-security/2016/01/13/7mailing-listx_refsource_MLIST
go-review.googlesource.comhttps://go-review.googlesource.com/#/c/17672/x_refsource_CONFIRM
groups.google.com[golang-announce] 20160113 [security] Go 1.5.3 is releasedhttps://groups.google.com/forum/#%21topic/golang-announce/MEATuOi_ei4mailing-listx_refsource_MLIST
github.comhttps://github.com/golang/go/issues/13515x_refsource_CONFIRM
lists.opensuse.orgopenSUSE-SU-2016:1331http://lists.opensuse.org/opensuse-updates/2016-05/msg00077.htmlvendor-advisoryx_refsource_SUSE
www.openwall.com[oss-security] 20151222 Re: CVE request for math/big.Exphttp://www.openwall.com/lists/oss-security/2015/12/22/9mailing-listx_refsource_MLIST
www.openwall.com[oss-security] 20151221 CVE request for math/big.Exphttp://www.openwall.com/lists/oss-security/2015/12/21/6mailing-listx_refsource_MLIST
lists.fedoraproject.orgFEDORA-2016-2dcc094217http://lists.fedoraproject.org/pipermail/package-announce/2016-January/176179.htmlvendor-advisoryx_refsource_FEDORA