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Vulnerability record · CVE-2016-9123 · published 28 March 2017

CVE-2016-9123: Go-jose project go-jose integer overflow vulnerability

GGo Jose Project · Go Jose

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.

7.5 CVSS 3.0 High EPSS 2.1% · top 18.6% CWE-190 · Integer overflow
7.5CVSS 3.0 base score, v2 5.0
2.1%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
6References
17 Jun 2026Last modified by NVD

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/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://www.openwall.com/lists/oss-security/2016/11/03/1 Mailing ListPatchThird Party Advisory
https://github.com/square/go-jose/commit/789a4c4bd4c118f7564954f441b29c153ccd6a96 Issue TrackingPatchThird Party Advisory
https://hackerone.com/reports/165170 Permissions Required
http://www.openwall.com/lists/oss-security/2016/11/03/1 Mailing ListPatchThird Party Advisory
https://github.com/square/go-jose/commit/789a4c4bd4c118f7564954f441b29c153ccd6a96 Issue TrackingPatchThird Party Advisory
https://hackerone.com/reports/165170 Permissions Required

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2016-9123), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.