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CVE-2016-9123

20
FAUCET Score

CVE-2016-9123 describes an integer overflow vulnerability in go-jose versions prior to 1.0.5, specifically impacting CBC-HMAC encrypted ciphertexts on 32-bit architectures. This flaw, classified as CWE-190, could allow an unauthenticated attacker to bypass authentication. With a CVSS v3 score of 7.5 (High), it presents a significant risk of integrity compromise (I:H) without requiring user interaction or complex attack conditions. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
<= 1.0.4CPE matchmatch criteria
cpe:2.3:a:go-jose_project:go-jose:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

7.5HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
2.15%
Probability of exploitation in next 30 days
EPSS Percentile
80.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0215 is in the 65th percentile among its peer group of 51,485 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (3)

github_advisorypatch availablevia nvd_reference
View patch
gopatch availablevia ghsa
Product: github.com/square/go-joseFixed in: 1.0.5
gopatch availablevia ghsa
Product: github.com/square/go-joseFixed in: 0.0.0-20160903044734-789a4c4bd4c1

Vendor Advisories (1)

goGHSA-3fx4-7f69-5mmghigh

Integer Overflow in go-jose

Jun 23, 2021

References

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