DEBIAN-CVE-2026-5598

Advisory lineage Upstream: 1 Downstream: 0
Upstream
CVE-2026-5598
Published: 15 Apr 2026, 10:16
Last modified:15 Jun 2026, 09:01

Vulnerability Summary

Overall Risk (default)
high
70/100
CVSS Score
9.9 CRITICAL
4.0 (osv_debian)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

15 Apr 2026, 10:16
Published
Vulnerability first disclosed
15 Jun 2026, 09:01
Last Modified
Vulnerability information updated

Description

Covert timing channel vulnerability in Legion of the Bouncy Castle Inc. BC-JAVA core on all (core modules). This vulnerability is associated with program files FrodoEngine.Java. This issue affects BC-JAVA: from 1.71 before 1.80.2, from 1.81 before 1.81.1, from 1.82 before 1.84.

CVSS Metrics

  • v4.0•CRITICAL•Score: 9.9CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:H/SI:H/SA:N/E:U/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:P/AU:Y/R:X/V:X/RE:X/U:Red

Affected Systems

  • debian•bouncycastle

    all | all | all | all

References (1)