gost

gost - GO Simple Tunnel A simple security tunnel written in Golang Features Listening on multiple ports Multi-level forward proxy - proxy chain Standard HTTP/HTTPS/HTTP2/SOCKS4A/SOCKS5 proxy protocols support Probing resistance support for web proxy Support multiple tunnel types TLS encryption vi...

CryptoLyzer

CryptoLyzer is a fast, flexible, and comprehensive server cryptographic protocol TLS, SSL, SSH, IKE, DNSSEC and related setting HTTP headers, DNS records analyzer and fingerprint JA3, HASSH generator with API and CLI interfaces. Use CryptoLyzer when you need to audit TLS/SSL cipher suites — unlik...

CVE-2026-15041

A flaw was found in 389 Directory Server. The PBKDF2-SHA256 password verification function uses standard memcmp for comparing password hashes instead of a constant-time comparison function. A remote attacker could potentially use timing measurements of LDAP bind attempts to infer partial hash...

JLSEC-2026-575

A flaw was found in Nettle in versions before 3.7.2, where several Nettle signature verification functions GOST DSA, EDDSA & ECDSA result in the Elliptic Curve Cryptography point ECC multiply function being called with out-of-range scalers, possibly resulting in incorrect results. This flaw allow...

Amazon Linux 2023 : bouncycastle, bouncycastle-javadoc, bouncycastle-mail (ALAS2023-2026-1688)

It is, therefore, affected by a vulnerability as referenced in the ALAS2023-2026-1688 advisory. 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...

bouncycastle: BC-JAVA: GOSTCTR implementation unable to process more than 255 blocks correctly

A flaw was found in Legion of the Bouncy Castle Inc. BC-JAVA bcprov. The GOSTCTR implementation is unable to securely process more than 255 blocks of data due to keystream reuse. This issue allows an attacker to break the fundamental confidentiality of any data protected by the G3413CTRBlockCiphe...

bouncycastle: BC-JAVA: GOSTCTR implementation unable to process more than 255 blocks correctly

A flaw was found in Legion of the Bouncy Castle Inc. BC-JAVA bcprov. The GOSTCTR implementation is unable to securely process more than 255 blocks of data due to keystream reuse. This issue allows an attacker to break the fundamental confidentiality of any data protected by the G3413CTRBlockCiphe...

bouncycastle: BC-JAVA: GOSTCTR implementation unable to process more than 255 blocks correctly

A flaw was found in Legion of the Bouncy Castle Inc. BC-JAVA bcprov. The GOSTCTR implementation is unable to securely process more than 255 blocks of data due to keystream reuse. This issue allows an attacker to break the fundamental confidentiality of any data protected by the G3413CTRBlockCiphe...

bouncycastle: BC-JAVA: GOSTCTR implementation unable to process more than 255 blocks correctly

A flaw was found in Legion of the Bouncy Castle Inc. BC-JAVA bcprov. The GOSTCTR implementation is unable to securely process more than 255 blocks of data due to keystream reuse. This issue allows an attacker to break the fundamental confidentiality of any data protected by the G3413CTRBlockCiphe...

bouncycastle: BC-JAVA: GOSTCTR implementation unable to process more than 255 blocks correctly

A flaw was found in Legion of the Bouncy Castle Inc. BC-JAVA bcprov. The GOSTCTR implementation is unable to securely process more than 255 blocks of data due to keystream reuse. This issue allows an attacker to break the fundamental confidentiality of any data protected by the G3413CTRBlockCiphe...

Important: Red Hat Security Advisory: Red Hat Build of Apache Camel 4.14 for Quarkus 3.27 update is now available (RHBQ 3.27.3.SP1)

An update for Red Hat Build of Apache Camel 4.14 for Quarkus 3.27 update is now available RHBQ 3.27.3.SP1. The purpose of this text-only errata is to inform you about the enhancements that improve your developer experience and ensure the security and stability of your products. Red Hat Product...

bouncycastle: BC-JAVA: GOSTCTR implementation unable to process more than 255 blocks correctly

A flaw was found in Legion of the Bouncy Castle Inc. BC-JAVA bcprov. The GOSTCTR implementation is unable to securely process more than 255 blocks of data due to keystream reuse. This issue allows an attacker to break the fundamental confidentiality of any data protected by the G3413CTRBlockCiphe...

bouncycastle: BC-JAVA: GOSTCTR implementation unable to process more than 255 blocks correctly

A flaw was found in Legion of the Bouncy Castle Inc. BC-JAVA bcprov. The GOSTCTR implementation is unable to securely process more than 255 blocks of data due to keystream reuse. This issue allows an attacker to break the fundamental confidentiality of any data protected by the G3413CTRBlockCiphe...

bouncycastle: BC-JAVA: GOSTCTR implementation unable to process more than 255 blocks correctly

A flaw was found in Legion of the Bouncy Castle Inc. BC-JAVA bcprov. The GOSTCTR implementation is unable to securely process more than 255 blocks of data due to keystream reuse. This issue allows an attacker to break the fundamental confidentiality of any data protected by the G3413CTRBlockCiphe...

CVE-2025-14813

A flaw was found in Legion of the Bouncy Castle Inc. BC-JAVA bcprov. The GOSTCTR implementation is unable to securely process more than 255 blocks of data due to keystream reuse. This issue allows an attacker to break the fundamental confidentiality of any data protected by the G3413CTRBlockCiphe...

SUSE-SU-2026:21404-1 Security update for bouncycastle

This update for bouncycastle fixes the following issues: - Update to version 1.84: - CVE-2025-14813: GOSTCTR implementation unable to process more than 255 blocks correctly bsc1262225. - CVE-2026-0636: LDAP Injection Vulnerability in LDAPStoreHelper.java bsc1262226. - CVE-2026-3505: Unbounded PGP...

Bouncy Castle for Java GOST 28147 CTR mode reuses keystream after 255 blocks

The GOST 28147-2015 CTR mode implementation G3413CTRBlockCipher in the Legion of the Bouncy Castle BC-JAVA bcprov core module only increments the final byte of the counter, so the counter wraps after 255 blocks and the keystream is reused. Reusing CTR keystream allows an attacker who can observe...

GHSA-574F-3G2M-X479 Bouncy Castle for Java GOST 28147 CTR mode reuses keystream after 255 blocks

The GOST 28147-2015 CTR mode implementation G3413CTRBlockCipher in the Legion of the Bouncy Castle BC-JAVA bcprov core module only increments the final byte of the counter, so the counter wraps after 255 blocks and the keystream is reused. Reusing CTR keystream allows an attacker who can observe...

EUVD-2025-209467

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 affec...

SUSE CVE-2025-14813

: 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...