Integer overflow in Go JOSE All versions before 1.0.5
Priority LOW 37CWE-190Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · High · None
- Fix status
- Fixed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA and GitHub.
Summary
go-jose before 1.0.5 suffers from a CBC-HMAC integer overflow on 32-bit architectures. An integer overflow could lead to authentication bypass for CBC-HMAC encrypted ciphertexts on 32-bit architectures.
Why it matters now
EPSS 0.02149 82nd percentileScored 2026-11-07
Fix Fixed github.com/square/go-jose (Go): 0.0.0-20160903044734-789a4c4bd4c1
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 |
|---|---|---|---|---|---|
| — | Go JOSE All versions before 1.0.5 | Go JOSE All versions before 1.0.5 | — | No fix listed | CNA |
| — | github.com/square/go-jose (Go) | before 0.0.0-20160903044734-789a4c4bd4c1 | 0.0.0-20160903044734-789a4c4bd4c1 | Patch available | GHSA-3fx4-7f69-5mmg |
- Go JOSE All versions before 1.0.5 Vendor— Affected Go JOSE All versions before 1.0.5 Fixed in — No fix listed CNA
- github.com/square/go-jose (Go) Vendor— Affected before 0.0.0-20160903044734-789a4c4bd4c1 Fixed in 0.0.0-20160903044734-789a4c4bd4c1 Patch available GHSA-3fx4-7f69-5mmg
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:go-jose_project:go-jose:*:*:*:*:*:*:*:* | up to 1.0.4 | Vulnerable | Go-jose Project |
- cpe:2.3:a:go-jose_project:go-jose:*:*:*:*:*:*:*:* Versions up to 1.0.4 Vulnerable ·Go-jose Project
Remediation
- Fix · GHSA-3fx4-7f69-5mmg github.com/square/go-jose (Go) Fixed in 0.0.0-20160903044734-789a4c4bd4c1 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2016-9123
- 2026-10-03 Alias added: GHSA-3fx4-7f69-5mmg
References
Patch 2
More Go-jose Project Go-jose vulnerabilities
- TI-2016-07468 go-jose before 1.0.4 suffers from an invalid curve attack for the ECDH-ES algorithm. CVSS 3.0CRITICAL 9.1
- TI-2026-27208 Go JOSE affect by a panic in JWE decryption CVSS 3.1HIGH 7.5
- TI-2016-07469 Improper access control in Go JOSE All versions before 1.0.4 CVSS 3.0HIGH 7.5
- TI-2024-18756 Go JOSE vulnerable to Improper Handling of Highly Compressed Data (Data Amplification) CVSS 3.1MEDIUM 4.3
Sources
- CVE-2016-9123 · CVE Program
- CVE-2016-9123 · NVD
- FIRST EPSS
- GHSA-3fx4-7f69-5mmg · GitHub Advisory Database · CC BY 4.0
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