What’s Vulnerable › Vulnerabilities

CVE-2016-9123

• Severity: high (CVSS 7.5 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2017-03-28 · updated 2026-06-17
• Weakness: CWE-190

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.

Affected products

• go-jose: through 1.0.4

References

• http://www.openwall.com/lists/oss-security/2016/11/03/1
• https://github.com/square/go-jose/commit/789a4c4bd4c118f7564954f441b29c153ccd6a96
• https://hackerone.com/reports/165170
• http://www.openwall.com/lists/oss-security/2016/11/03/1
• https://github.com/square/go-jose/commit/789a4c4bd4c118f7564954f441b29c153ccd6a96
• https://hackerone.com/reports/165170

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