PT-2026-33028 · Legion Of The Bouncy Castle · Bc-Java

Xlabai Team · Published 2026-04-15 · Updated 2026-04-15 · CVE-2025-14813

NVD

CVSS v4.0

9.3

Critical

AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:H/SI:H/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:X/AU:X/R:X/V:X/RE:M/U:Red

Use of a Broken or Risky Cryptographic Algorithm vulnerability in Legion of the Bouncy Castle Inc. BC-JAVA bcprov on all (core modules). This vulnerability is associated with program files G3413CTRBlockCipher.

GOSTCTR implementation unable to process more than 255 blocks correctly.

This issue affects BC-JAVA: from 1.59 before 1.84.

Exploit

Fix

Use of a Broken Cryptographic Algorithm

Weakness Enumeration

CWE-327

Related Identifiers

CVE-2025-14813

Affected Products

Bc-Java

References · 4

• 🔥 https://github.com/bcgit/bc-java/wiki/CVE%E2%80%902025%E2%80%9014813 · Exploit
• https://github.com/bcgit/bc-java/commit/b42574345414e4b7c8051b16fa1fafe01c29871f · Patch
• https://github.com/bcgit/bc-java/commit/701686cb0184cd9ae103c801b3581fdf95c6d4f3 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2025-14813 · Security Note