Integer Overflow in go-jose
Published Mar 28, 2017 · Updated Oct 23, 2026 · Also known as GHSA-3fx4-7f69-5mmg, GO-2020-0009
Original summary
Normalized public record · Updated Oct 23, 2026
Integer Overflow in go-jose
Publisher and source text is retained separately from QFinch interpretation.
QFinch assessment
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.
Evidence: public source recordsAffected products
| Affected package, product or range | Fix status |
|---|---|
| Consult the referenced vendor advisory for affected versions. | Consult source advisory |
Matching a version is only one part of assessing exposure. QFinch has not assessed your environment on this public page.
Remediation
Apply the vendor-supported fixed release or mitigation, then verify the affected component is no longer reachable.
- Confirm the affected product and reachable code path exist in your environment.
- Apply the vendor-supported patch or mitigation from the primary advisory.
- Rescan the exact deployed revision and retain verification evidence.
Evidence coverage
- SSVC priority
- MEDIUM
- Confidence
- 10%
- Aliases
- GHSA-3fx4-7f69-5mmg, GO-2020-0009
Scores appear only when corresponding evidence exists. Missing data is never interpreted as zero risk.
Sources and record history
Record history
Published Mar 28, 2017 · Last refreshed Oct 23, 2026