Skip to content
Fencer Vulns
high 7.5

CVE-2023-50658 json

Duplicate Advisory: Denial of service when decrypting attack controlled input in github.com/dvsekhvalnov/jose2go

published 2023-12-20 2 y ago modified 2026-09-10 1 mo ago also GHSA-6294-6rgp-fr7r , GHSA-mhpq-9638-x6pw , GO-2023-2409 , EUVD-2024-0527

cvss
7.5
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.8%
EPSS 0.8% chance of exploitation in 30 days, percentile 57%
public exploits
0
none known

Summary

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.

Patch / fix

  • go github.com/dvsekhvalnov/jose2go 1.5.1-0.20231206184617-48ba0b76bc88, 1.6.0
  • dvsekhvalnov jose2go 1.6.0
  • golang-github-dvsekhvalnov-jose2go Debian 14 1.9-1

debian advisories DEBIAN-CVE-2023-50658

  • telegraf CBL-Mariner 2.0, Azure Linux 3.0 1.29.4-1

azure linux advisories AZL-35422AZL-35426

Azure Linux vulnerability data, Copyright (c) Microsoft Corporation, from https://github.com/microsoft/AzureLinuxVulnerabilityData via OSV, under the MIT licence; changed: normalised to fixed package versions per release. MIT

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2023-50658 updated cvss 7.5

jose2go: CPU consumption via a large p2c (aka PBES2 Count) value

  • Red Hat All currently supported Red Hat products
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
2 y ago

Exploit prediction

0.82% chance of exploitation in the next 30 days, higher than 57% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
GitHub 3.1 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Affected packages

ecosystem package affected fixed in
go github.com/dvsekhvalnov/jose2go
<1.6.0
<1.5.1-0.20231206184617-48ba0b76bc88
1.6.0
1.5.1-0.20231206184617-48ba0b76bc88

Classification

Weakness
  • CWE-770 Allocation of Resources Without Limits or Throttling
  • CWE-400 Uncontrolled Resource Consumption

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.