CVE-2016-9123
go-jose before 1.0.5 suffers from a CBC-HMAC integer overflow on 32-bit architectures.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.15%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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.
- CVSS 3.0
- 7.5 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
- EPSS
- 2.15% probability · 82th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-190
- Affected
- go-jose project/go-jose
- Source
- support@hackerone.com
EPSS 2.1% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://www.openwall.com/lists/oss-security/2016/11/03/1Mailing List, Patch, Third Party Advisory
- https://github.com/square/go-jose/commit/789a4c4bd4c118f7564954f441b29c153ccd6a96Issue Tracking, Patch, Third Party Advisory
- https://hackerone.com/reports/165170Permissions Required
- http://www.openwall.com/lists/oss-security/2016/11/03/1Mailing List, Patch, Third Party Advisory
- https://github.com/square/go-jose/commit/789a4c4bd4c118f7564954f441b29c153ccd6a96Issue Tracking, Patch, Third Party Advisory
- https://hackerone.com/reports/165170Permissions Required
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.