CVE-2025-14813 - CVE House
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Status published Critical CVE-2025-14813

GOSTCTR implementation unable to process more than 255 blocks correctly

Vulnerability 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. This issue affects BC-JAVA: from 1.59 before 1.80.2, from 1.81 before 1.81.1, from 1.82 before 1.84.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • XlabAI Team of Tencent Xuanwu Lab
  • Atuin Automated Vulnerability Discovery Engine
  • Lili Tang, Guannan Wang, and Guancheng Li

References

More from Legion of the Bouncy Castle Inc.

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native encrypt/decrypt operations in JCE may corrupt data if same byte array used for input and output.
Unknown 0
CVE-2025-9092
Hybrid Module Deployment in Multi-JVM Environments Leading to Resource Exhaustion
Low 1
CVE-2025-8916
Possible DOS in processing large name constraint structures in PKIXCertPathReveiwer
Medium 6.3
CVE-2025-8885
Possible DOS in processing specially formed ASN.1 Object Identifiers
Medium 6.3

Affected Vendor

Legion of the Bouncy Castle Inc.

View all reports →

Affected Software

BC-JAVA
Vulnerable Versions:
1.59, 1.81, 1.82

Timeline

Official Publish: April 15th, 2026
Last Modified: July 16th, 2026
Added to House: July 22nd, 2026

CVSS Vectors

Weaknesses (CWE)

CWE-327

MITRE ATT&CK TTPs

T1040 Network Sniffing
Credential Access
T1552 Unsecured Credentials
Credential Access
T1557 Adversary-in-the-Middle
Collection
T1078 Valid Accounts
Persistence
T1041 Exfiltration Over C2 Channel
Exfiltration