How severe is CVE-2016-9123?

CVE-2016-9123 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2016-9123 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (80th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-9123?

CVE-2016-9123 affects Go-jose Project Go-jose. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2016-9123?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2016-9123 published?

CVE-2016-9123 was published on 2017-03-28 and last updated on 2026-06-17.

CVE-2016-9123

CVE-2016-9123 is a high-severity vulnerability in Go-jose Project Go-jose with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-190.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 2% (80th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-190
Affected product: Go-jose Project Go-jose
Published: 2017-03-28
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2016-9123?: 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.
How severe is CVE-2016-9123?: CVE-2016-9123 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2016-9123 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (80th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-9123?: CVE-2016-9123 affects Go-jose Project Go-jose. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2016-9123?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2016-9123 published?: CVE-2016-9123 was published on 2017-03-28 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:go-jose_project:go-jose:*:*:*:*:*:*:*:*

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