The Int.Exp Montgomery code in the math/big library in Go 1.5.x before 1.5.3 mishandles…
Priority LOW 38CWE-200Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-200.
Summary
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.
Why it matters now
EPSS 0.0263 85th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:opensuse:leap:42.1:*:*:*:*:*:*:* | 42.1 | Vulnerable | openSUSE |
| cpe:2.3:a:golang:go:1.5:*:*:*:*:*:*:* | 1.5 | Vulnerable | Go standard library |
| cpe:2.3:a:golang:go:1.5.1:*:*:*:*:*:*:* | 1.5.1 | Vulnerable | Go standard library |
| cpe:2.3:a:golang:go:1.5.2:*:*:*:*:*:*:* | 1.5.2 | Vulnerable | Go standard library |
- cpe:2.3:o:opensuse:leap:42.1:*:*:*:*:*:*:* Versions 42.1 Vulnerable ·openSUSE
- cpe:2.3:a:golang:go:1.5:*:*:*:*:*:*:* Versions 1.5 Vulnerable ·Go standard library
- cpe:2.3:a:golang:go:1.5.1:*:*:*:*:*:*:* Versions 1.5.1 Vulnerable ·Go standard library
- cpe:2.3:a:golang:go:1.5.2:*:*:*:*:*:*:* Versions 1.5.2 Vulnerable ·Go standard library
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Red Hat
Red Hat rating: Low. Red Hat's page for this CVE →
Not affected: 3 products
- Red Hat Enterprise Linux 7
- Red Hat OpenShift Enterprise 3
- Red Hat Storage 3
Timeline
- 2026-10-02 Threatist record created from CVE-2015-8618
- 2026-10-03 Alias added: GHSA-f7x9-6qwf-8m25
References
Sources
- CVE-2015-8618 · CVE Program
- CVE-2015-8618 · NVD
- FIRST EPSS
- GHSA-f7x9-6qwf-8m25 · GitHub Advisory Database · CC BY 4.0
- CVE-2015-8618 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences