CVE-2026-8149 — GCM chunking can lead to bad tag exception on decryption

CVE-2026-8149

GCM chunking can lead to bad tag exception on decryption PUBLISHED

Description (CNA)

A vulnerability in Legion of the Bouncy Castle Inc. BC-LTS bcprov-lts8on on X86_64, AVX, AVX-512f, Linux, Legion of the Bouncy Castle Inc. BC-FJA bc-fips on Linux, X86_64, AVX, AVX-512f. This vulnerability is associated with program files gcm128w, gcm512w, gcm128w.C, gcm512w.C. This issue affects BC-LTS: from 2.73.0 before 2.73.11; BC-FJA: from 2.1.0 before 2.1.3.

Affected (CNA)

Vendor / product	Versions
Legion of the Bouncy Castle Inc. / BC-LTS	affected 2.73.0 before 2.73.11
Legion of the Bouncy Castle Inc. / BC-FJA	affected 2.1.0 before 2.1.3

CWE

CWE-1068

References

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

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.