7.4

UBUNTU-CVE-2025-0306: jruby Ubuntu

CVSS: 7.4v3.1HighPublished
Published 09-01-2025Last modified 04-02-2026
Open JSON

Vulnerability summary

UBUNTU-CVE-2025-0306 is a high (CVSS 7.4) vulnerability in jruby Ubuntu.

Overall risk
30/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.4/10
010
High · v3.1 (OSV · Ubuntu), selected by version preference
EPSS score
Not scored
0%100%
No EPSS score yet
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 0 · Related 1
CVE-2025-0306

Timeline

  1. 09-01-2025
    PublishedVulnerability first disclosed.
  2. 04-02-2026
    Last modifiedVulnerability information updated.

Description

A vulnerability was found in Ruby. The Ruby interpreter is vulnerable to the Marvin Attack. This attack allows the attacker to decrypt previously encrypted messages or forge signatures by exchanging a large number of messages with the vulnerable service.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

No EPSS score has been published for this record yet.

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Ubuntu7 products
  • jrubyAll versions (No fix recorded)
  • ruby2.3All versions (No fix recorded)
  • ruby2.5All versions (No fix recorded)
  • ruby2.7All versions (No fix recorded)
  • ruby3.0All versions (No fix recorded)

1 vendor · 7 products

References

4 links