CVE-2023-50658: Github.com/dvsekhvalnov/jose2go Denial of Service Vulnerability

MODERATE
Advisory Identifier: GHSA-6294-6rgp-fr7r
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CVSS 5.3
CWE-400
Published
Advisory Summary

CVE-2023-50658 is a MODERATE (CVSS 5.3) denial of service vulnerability (CWE-400: Uncontrolled Resource Consumption) affecting Github.com/dvsekhvalnov/jose2go libraries in the Go ecosystem. The issue involves jose2go vulnerable to denial of service via large p2c value. Remediation is available by upgrading affected packages to version 1.6.0.

CVE-2023-50658 at a Glance

CVE Identifier CVE-2023-50658
GHSA Identifier GHSA-6294-6rgp-fr7r
Severity MODERATE
CVSS v3.1 Base Score 5.3
CWE Classification CWE-400: Uncontrolled Resource Consumption
Affected Product Github.com/dvsekhvalnov/jose2go
Package Ecosystem Go
Published Date
Last Updated

Security Impact

CVSS: 5.3

The security impact metrics below are parsed directly from the CVSS v3.1 vector string (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L).

Attack Vector Network (AV:N)
Attack Complexity Low (AC:L)
Privileges Required None (PR:N)
User Interaction None (UI:N)
Scope Unchanged (S:U)
Confidentiality None (C:N)
Integrity None (I:N)
Availability Low (A:L)

How to Fix CVE-2023-50658

To remediate this vulnerability, upgrade all affected Github.com/dvsekhvalnov/jose2go dependencies to a patched release. Both direct and transitive dependencies should be checked, as frameworks or security libraries may pull in vulnerable versions transitively.

github.com/dvsekhvalnov/jose2go fixed: 1.6.0 
Upgrade github.com/dvsekhvalnov/jose2go to 1.6.0
Verify Direct and Transitive Dependencies

Run the following command in your project directory to verify that all resolved dependencies use the patched release: 

inspect dependencies for github.com/dvsekhvalnov/jose2go

How to Check if You Are Affected

To determine whether your application is affected by CVE-2023-50658, inspect your project dependencies for Github.com/dvsekhvalnov/jose2go:

inspect dependencies for github.com/dvsekhvalnov/jose2go

Analyze the terminal output to locate any version of Github.com/dvsekhvalnov/jose2go in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 1.6.0), your application is affected.

Note: Verify declared build manifests and deployed runtime container environments.

Technical Details

Vulnerability Mechanism & Technical Analysis

This vulnerability is classified under CWE-400: Uncontrolled Resource Consumption, where the product does not properly control the allocation and maintenance of a limited resource. In Github.com/dvsekhvalnov/jose2go, software state validation or input boundaries are circumvented during processing. Review the official source advisory statement below for specific affected components, classes, and reproduction details.

Source Advisory Statement

The jose2go component before 1.6.0 for Go allows attackers to cause a denial of service (CPU consumption) via a large p2c (aka PBES2 Count) value.

CVE-2023-50658 Affected Github.com/dvsekhvalnov/jose2go Versions

1 component(s)
Fixed Versions:
1.6.0
Product / Package Ecosystem Affected Versions Fixed Version
github.com/dvsekhvalnov/jose2go
golang/github.com/dvsekhvalnov/jose2go
Go
< 1.6.0
1.6.0

References

NVD — CVE-2023-50658 NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-50658
Github.com/dvsekhvalnov/jose2go Source Repository REPOSITORY
https://github.com/dvsekhvalnov/jose2go/issues/31
Security Fix Commit FIX COMMIT
https://github.com/dvsekhvalnov/jose2go/commit/a4584e9dd7128608fedbc67892eba9697f0d5317
Github.com/dvsekhvalnov/jose2go Source Repository REPOSITORY
https://github.com/dvsekhvalnov/jose2go
Github.com/dvsekhvalnov/jose2go Source Repository REPOSITORY
https://github.com/dvsekhvalnov/jose2go/compare/v1.5.0...v1.6.0
pkg.go.dev/vuln/go-2023-2409 WEB
https://pkg.go.dev/vuln/GO-2023-2409
www.blackhat.com/us-23/briefings/sch... WEB
https://www.blackhat.com/us-23/briefings/schedule/#three-new-attacks-against-json-web-tokens-31695

Frequently Asked Questions

What is CVE-2023-50658?
CVE-2023-50658 is a security vulnerability in Github.com/dvsekhvalnov/jose2go involving jose2go vulnerable to denial of service via large p2c value under CWE-400: Uncontrolled Resource Consumption.
Which Github.com/dvsekhvalnov/jose2go versions are affected?
Affected versions include releases prior to 1.6.0 across affected packages: github.com/dvsekhvalnov/jose2go.
What version fixes CVE-2023-50658?
Upgrading to 1.6.0 (or the latest patched release for your respective branch) resolves the vulnerability.
Is github.com/dvsekhvalnov/jose2go affected?
Yes, github.com/dvsekhvalnov/jose2go is affected in releases prior to 1.6.0. Upgrade your dependency to 1.6.0 or later.
What is the CVSS score of CVE-2023-50658?
CVE-2023-50658 has a CVSS v3.1 base score of 5.3 (MODERATE) with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.
What CWE is associated with CVE-2023-50658?
CVE-2023-50658 is classified under CWE-400: Uncontrolled Resource Consumption (The product does not properly control the allocation and maintenance of a limited resource.).
How can I check Go dependencies for CVE-2023-50658?
Run the dependency tree command: 'inspect dependencies for github.com/dvsekhvalnov/jose2go'. This command lists direct and transitive dependencies in your build configuration so you can verify if a vulnerable version is resolved.
Machine-readable OSV JSON OSV v1.5 Schema
Normalized schema output
View Raw JSON 
{
  "schema_version" : "1.4.0",
  "id" : "GHSA-6294-6rgp-fr7r",
  "modified" : "2026-02-03T16:43:30Z",
  "published" : "2024-02-29T03:33:14Z",
  "aliases" : [ "CVE-2023-50658" ],
  "summary" : "jose2go vulnerable to denial of service via large p2c value",
  "details" : "The jose2go component before 1.6.0 for Go allows attackers to cause a denial of service (CPU consumption) via a large p2c (aka PBES2 Count) value.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "Go",
      "name" : "github.com/dvsekhvalnov/jose2go"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "fixed" : "1.6.0"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2023-50658"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/dvsekhvalnov/jose2go/issues/31"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/dvsekhvalnov/jose2go/commit/a4584e9dd7128608fedbc67892eba9697f0d5317"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/dvsekhvalnov/jose2go"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/dvsekhvalnov/jose2go/compare/v1.5.0...v1.6.0"
  }, {
    "type" : "WEB",
    "url" : "https://pkg.go.dev/vuln/GO-2023-2409"
  }, {
    "type" : "WEB",
    "url" : "https://www.blackhat.com/us-23/briefings/schedule/#three-new-attacks-against-json-web-tokens-31695"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-400" ],
    "severity" : "MODERATE",
    "github_reviewed" : true,
    "github_reviewed_at" : "2024-03-01T16:56:03Z",
    "nvd_published_at" : "2024-02-29T01:42:01Z"
  }
}