What’s Vulnerable › Vulnerabilities
CVE-2026-8149: GCM chunking can lead to bad tag exception on decryption
- Severity: medium (CVSS 5.1 v4.0)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.2% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-05-08 · updated 2026-10-26
- Weakness: CWE-1068
Description
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 products
- Legion of the Bouncy Castle Inc. BC-FJA: from 2.1.0 before 2.1.3 — fixed in 2.1.3
- Legion of the Bouncy Castle Inc. BC-LTS: from 2.73.0 before 2.73.11 — fixed in 2.73.11
How to fix
Upgrade to a fixed version: Legion of the Bouncy Castle Inc. BC-FJA 2.1.3; Legion of the Bouncy Castle Inc. BC-LTS 2.73.11. Check the vendor advisory for mitigations.
References
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