CVE-2026-8149

MEDIUM

Bouncy Castle BC-FJA 2.1.0 to 2.1.2 - GCM Decryption Failure

Title source: manual

Description

A vulnerability in Legion of the Bouncy Castle Inc. BC-LTS on Linux, X86_64, AVX, AVX-512f. This vulnerability is associated with program files gcm128w, gcm512w. This issue affects BC-LTS: from 2.73.0 before 2.73.11.

References (2)

Core 2

Core References

Vendor Advisory vendor-advisory

https://do-not-publish.bouncycastle.org/do_not_publish

Vendor Advisory vendor-advisory

https://github.com/bcgit/bc-java/wiki/CVE%E2%80%902026%E2%80%908149

Scores

CVSS v4 5.1

EPSS 0.0016

EPSS Percentile 5.3%

CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/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:N/AU:X/R:X/V:X/RE:M/U:Amber

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-1068

Status published

Products (3)

Legion of the Bouncy Castle Inc./BC-FJA 2.1.0 - 2.1.2

Legion of the Bouncy Castle Inc./BC-LTS 2.73.0 - 2.73.11

org.bouncycastle/bc-fips 2.1.0 - 2.1.2Maven

Published May 08, 2026

Tracked Since May 08, 2026