# CVE-2025-14813

## Summary

- **CVE ID:** CVE-2025-14813
- **Severity:** CRITICAL
- **CVSS Score:** 9.3 (CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:H/SI:H/SA:N/RE:M/U:Red)
- **CWE:** CWE-327
- **Published:** Apr 15, 2026
- **Last Modified:** Sep 15, 2026

## Description

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.

## Affected Products

- Legion of the Bouncy Castle Inc. — BC-JAVA (1.59)
- Legion of the Bouncy Castle Inc. — BC-JAVA (1.81)
- Legion of the Bouncy Castle Inc. — BC-JAVA (1.82)

## References

- [CNA](https://github.com/bcgit/bc-java/wiki/CVE%E2%80%902025%E2%80%9014813)
- [CNA](https://github.com/bcgit/bc-java/commit/b42574345414e4b7c8051b16fa1fafe01c29871f)
- [CNA](https://github.com/bcgit/bc-java/commit/701686cb0184cd9ae103c801b3581fdf95c6d4f3)
- [redhat-SADP](https://access.redhat.com/security/cve/CVE-2025-14813)
- [redhat-SADP](https://bugzilla.redhat.com/show_bug.cgi?id=2458640)
- [redhat-SADP](https://security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-14813.json)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:18054)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:18055)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:14276)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:14272)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:13631)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:18059)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:24977)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:21772)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:17668)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:11720)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:11721)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:53644)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:53806)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:60247)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:60239)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:60251)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:60246)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:60250)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:60259)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:60254)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:60249)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:60248)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:60252)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:60256)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:66488)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.31%
- **EPSS Percentile:** 24.2

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-18._