SB2026052535 - Inconsistency between implementation and documented design in Bouncy Castle for Java LTS

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Main Vulnerability Database SB2026052535

SB2026052535 - Inconsistency between implementation and documented design in Bouncy Castle for Java LTS

Published: May 25, 2026

Security Bulletin ID SB2026052535
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Inconsistency between implementation and documented design (CVE-ID: CVE-2026-8149)

CWE-ID: CWE-1068 - Inconsistency Between Implementation and Documented Design

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows a remote attacker to compromise cryptographic integrity.

The vulnerability exists due to inconsistency between implementation and documented design in gcm128w and gcm512w when performing GCM operations on Linux x86_64 systems with AVX or AVX-512f support. A remote attacker can trigger the affected cryptographic code path to compromise cryptographic integrity.

Only Linux x86_64 environments with AVX or AVX-512f support are affected.


Remediation

Install update from vendor's website.

References