golang: Carry propagation in Int.Exp Montgomery code in math/big library
Published Jan 27, 2016
7.5
HIGHCVSS 3.0
EPSS 2.63%
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
No data.
No data.
Red Hat Enterprise Linux 7
golang
Not affected
Red Hat OpenShift Enterprise 3
golang
Not affected
Red Hat Storage 3
golang
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 7 | golang | Not affected | n/a |
| Red Hat OpenShift Enterprise 3 | golang | Not affected | n/a |
| Red Hat Storage 3 | golang | Not affected | n/a |
stdlib
Go
Introduced 1.5.0-0 Fixed 1.5.3
| Ecosystem | Package | Introduced | Fixed |
|---|---|---|---|
| Go | stdlib | 1.5.0-0 | 1.5.3 |
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
AV:N/AC:L/Au:N/C:P/I:N/A:N
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (13 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.63% (0.02627) | 84.96th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.63% (0.02627) | 83.46th | v5 (v2026.06.15) |
| Mar 30, 2025 | 0.99% (0.00989) | 74.84th | v4 (v2025.03.14) |
| Mar 29, 2025 | 3.10% (0.03097) | 77.89th | v4 (v2025.03.14) |
| Mar 17, 2025 | 0.99% (0.00989) | 75.30th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.55% (0.00547) | 78.21th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.55% (0.00547) | 76.75th | v3 (v2023.03.01) |
| Jul 9, 2023 | 0.55% (0.00547) | 74.33th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.39% (0.00386) | 68.95th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.54% (0.01537) | 74.52th | v2 (v2022.01.01) |
| Feb 23, 2023 | 1.54% (0.01537) | 74.48th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.54% (0.01537) | 72.41th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.54% (0.01537) | 51.33th | v2 (v2022.01.01) |
References (13)
- http://lists.fedoraproject.org/pipermail/package-announce/2016-January/175642.html vendor-advisoryx_refsource_FEDORA
- http://lists.fedoraproject.org/pipermail/package-announce/2016-January/176179.html vendor-advisoryx_refsource_FEDORA
- http://lists.opensuse.org/opensuse-updates/2016-05/msg00077.html vendor-advisoryx_refsource_SUSE
- http://www.openwall.com/lists/oss-security/2015/12/21/6 mailing-listx_refsource_MLIST
- http://www.openwall.com/lists/oss-security/2015/12/22/9 mailing-listx_refsource_MLIST
- http://www.openwall.com/lists/oss-security/2016/01/13/7 mailing-listx_refsource_MLIST
- https://access.redhat.com/security/cve/CVE-2015-8618 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1293448 Issue Tracking
- https://github.com/golang/go/issues/13515 x_refsource_CONFIRMPatch
- https://go-review.googlesource.com/#/c/17672/ x_refsource_CONFIRM
- https://groups.google.com/forum/#%21topic/golang-announce/MEATuOi_ei4 mailing-listx_refsource_MLIST
- https://nvd.nist.gov/vuln/detail/CVE-2015-8618
- https://www.cve.org/CVERecord?id=CVE-2015-8618
Change history (0)
No recorded changes yet.