CVE-2026-19445

A flaw was found in Python. A remote, unauthenticated TLS client can cause a use-after-free in a server that uses SSLContext.snicallback to assign a different SSLSocket.context when selecting a certificate per server name, if nothing else keeps the original SSLContext alive. This can crash the...

netty-handler: Netty: Denial of Service due to eager buffer allocation in TLS handshake

A flaw was found in Netty, a network application framework. A remote attacker can exploit this vulnerability by sending a crafted TLS Transport Layer Security ClientHello message. This can lead to an eager allocation of a large memory buffer, causing a Denial of Service DoS due to excessive memor...

GHSA-4WWP-F6GW-6QM5 SiYuan: TLS Private Keys Readable via getFile (Incomplete Blocklist)

Summary: IsForbiddenAbsPath only blocks conf/conf.json by exact match. The TLS private key conf/key.pem and CA private key conf/ca.key live in the same conf/ directory and are absent from the blocklist. Any authenticated user can retrieve them via POST /api/file/getFile. Root cause...

SiYuan: TLS Private Keys Readable via getFile (Incomplete Blocklist)

Summary: IsForbiddenAbsPath only blocks conf/conf.json by exact match. The TLS private key conf/key.pem and CA private key conf/ca.key live in the same conf/ directory and are absent from the blocklist. Any authenticated user can retrieve them via POST /api/file/getFile. Root cause...

CVE-2026-0257

TLS の公開鍵を使用して GlobalProtect 認証オーバーライド Cookie を偽造する CVE-2026-0257 対象の PAN-OS GlobalProtect ポータルまたはゲートウェイを CVE-2026-0257 に対してテストするための概念実証スクリプトです。このスクリプトは、HTTPS サービスで使用される証明書チェーンを反復処理して有効な認証オーバーライド Cookie の偽造を試みます。チェーン内のすべての公開鍵について新しい認証オーバーライド Cookie を偽造し、GlobalProtect ターゲットに対してテストして有効かどうかを確認します。...

CVE-2026-6789-Stack-Buffer-Overflow-in-Embedded-TLS-Certificate-Parser

9. CVE-2026-6789 – 組み込みTLS証明書パーサーにおけるスタックバッファオーバーフロー 概要 ある一般的な軽量TLSライブラリ（シミュレーション）には、細工された長さフィールドを持つX.509証明書のSubject Alternative Name拡張を解析する際に、スタックバッファオーバーフローが発生します。 深刻度: 重大 IoT/産業機器におけるRCE 脆弱なCパーサーとエクスプロイト // tlsx509vuln.c include include include include // Vulnerable certificate parser struct...

PoC_TLS1_3_CVE-2020-13777

PoC TLS1.3 CVE-2020-13777 このPoCの目的 関連記事及び、企画「Challenge CVE-2020-13777」へ提供した解説文章・PoCは情報通信産業に関わる人の情報セキュリティのリテラシーの向上に貢献することを目的としています。 修正パッチが広く配布されている脆弱性であるCVE-2020-13777について、修正パッチ配布後に開発元によって公開された脆弱性の情報を元に技術的な検証を行った結果を啓蒙活動の一環として公開しています。 それにより、この脆弱性について情報通信産業に関わる人に広く認知されることを期待しています。 免責事項...

Security update for java-11-openjdk

This update for java-11-openjdk fixes the following issues: CVE-2026-60589: improve resource resolving bsc1275777. CVE-2026-61308: enhance HTTP connections bsc1275778. CVE-2026-70907: enhance TLS server bsc1275764. Changes for java-11-openjdk: Upgrade to jdk-11.0.32.1+1 August 2026 CSPU Patch...

SUSE-SU-2026:4515-1 Security update for java-11-openjdk

This update for java-11-openjdk fixes the following issues: - CVE-2026-60589: improve resource resolving bsc1275777. - CVE-2026-61308: enhance HTTP connections bsc1275778. - CVE-2026-70907: enhance TLS server bsc1275764. Changes for java-11-openjdk: - Upgrade to jdk-11.0.32.1+1 August 2026 CSPU...

cve-2025-0282-ivanti_rce_reproduction

CVE-2025-0282 — Ivanti Connect Secure / Policy Secure / ZTA Gateways スタックベースのバッファオーバーフローによる RCE CVSS 9.0 — 重大 | 活発に悪用されているゼロデイ | 2025年1月に発見 概要 CVE-2025-0282 は、Ivanti Connect Secure ICS、Ivanti Policy Secure IPS、Ivanti ZTA Gateways の IFT/TLS 処理コンポーネントにおけるスタックベースのバッファオーバーフロー脆弱性 CWE-121 / CWE-787...

dtls-fuzzer

dtls-fuzzer 는 DTLS 서버의 프로토콜 상태 퍼징을 수행하는 Java 도구입니다. 구체적으로 다음과 같은 기능을 지원합니다: 1. 알파벳이 주어지면 로컬 DTLS 서버 구현의 모델을 자동으로 생성할 수 있습니다. 2. 테스트입력 시퀀스와 알파벳이 주어지면 DTLS 서버 구현에서 테스트를 실행할 수 있습니다. 3. 여러 학습 실행을 포함하는 배치 학습 작업을 실행할 수 있습니다. dtls-fuzzer 는 DTLS 메시지를 생성/구문 분석하고 상태를 유지하기 위해 TLS-Attackertlsattacker를 사용합니다...

POC-CVE-2026-0073

POC-CVE-2026-0073 ADB認証バイパス — 概念実証 naheeju によるセキュリティ研究PoC セキュリティ通知: CVE-2026-0073 は 2026-05-01 時点でパッチが適用されています。 このPoCは、セキュリティ研究、脆弱性分析、および影響を受けるシステムの認可されたテストのためにのみ提供されます。 目次 免責事項 概要 このPoCが実証する内容 安全境界 要件 リポジトリ構成 使用方法 ビルド 出力例 検証失敗 技術的詳細 証明書の取り扱い セキュリティ上の考慮事項 責任ある開示 研究理念 著者 ⚠️ 免責事項...

CVE-2022-21449-TLS-PoC

CVE-2022-21449-TLS-PoC CVE-2022-21449 Neil Madden의 취약점 글에서 Psychic Signatures라고도 불림 취약한 클라이언트와 악의적인 TLS 서버를 사용한 개념 증명PoC입니다. 악의적인 서버는 www.google.com에 대한 유효한2022-04-20 기준 인증서 체인을 제시하며, 이 체인에는 ECDSA 공개 키secp256r1가 포함되어 있습니다. 그러나 crypto/ecdsa 패키지가 수정되어 r = s = 0인 잘못된 서명을 제시합니다. 취약한 클라이언트는 이 잘못된 서명을...

47-Day Certificates Are Coming: Five Things to Do Before They Arrive

Somewhere in your organization is a spreadsheet of certificate expiry dates, and someone who owns it. That is not a caricature. DigiCert's 2026 research with Omdia surveyed more than 400 senior IT leaders and found that 47% still rely on manual tracking methods such as spreadsheets, and only 34%...

CVE-2026-77804

In Progress® Telerik® Fiddler® Classic for Windows, versions prior to v6.0.20262.10021, a time-of-check time-of-use TOCTOU race condition exists in the installation of the HTTPS interception root certificate into the Local Computer certificate store. Fiddler writes the certificate to a temporary...

CVE-2026-77804 Time-of-check Time-of-use (TOCTOU) Race Condition in Root Certificate Installation in Progress® Telerik® Fiddler® Classic

In Progress® Telerik® Fiddler® Classic for Windows, versions prior to v6.0.20262.10021, a time-of-check time-of-use TOCTOU race condition exists in the installation of the HTTPS interception root certificate into the Local Computer certificate store. Fiddler writes the certificate to a temporary...

CVE-2026-77804 Time-of-check Time-of-use (TOCTOU) Race Condition in Root Certificate Installation in Progress® Telerik® Fiddler® Classic

In Progress® Telerik® Fiddler® Classic for Windows, versions prior to v6.0.20262.10021, a time-of-check time-of-use TOCTOU race condition exists in the installation of the HTTPS interception root certificate into the Local Computer certificate store. Fiddler writes the certificate to a temporary...

Harvest Now, Decrypt Later: The Attack You Defend Against by Doing Nothing

Somewhere, an attacker is recording your encrypted traffic. Not breaking it. Recording it. The bet is patient and simple: store ciphertext today, wait for quantum computers to mature, decrypt at leisure. The industry calls it harvest now, decrypt later HNDL, and it is the rare security threat wit...

whatsapp-mitd-mitm

WhatsApp MitD 및 MitM 소개 이 저장소는 Android용 WhatsApp에서 Man-in-the-Disk MitD 취약점을 원격으로 악용하기 위한 연구 01의 일환으로 개발된 PoC 코드와 도구를 포함합니다. 블로그 게시물에서 논의된 바와 같이, 여기에 있는 코드와 함께 제공되는 스크립트는 CVE-2020-6516 Chrome 02 및 CVE-2021-24027 WhatsApp 03을 악용하는 데 사용되었습니다. 이 저장소의 구조는 다음과 같습니다: 현재 디렉토리에는 Frida를 사용하여 WhatsApp을 후킹하...

tls

ztls Zig로 작성된 QUIC용 TLS 1.3 구현체로, RFC 8446TLS 1.3 및 RFC 9001QUIC-TLS을 엄격히 준수합니다. 상태 항목| 정보 ---|--- API 안정성| 프로덕션 Zig 버전| 0.16.0 플랫폼| Linux, macOS, Windows 성능 참고 2ms 미만의 핸드셰이크 목표는 Ed25519 및 RSA-2048 인증서 구성에서 검증되었습니다. secp256r1P-256 워크로드는 현재 핸드셰이크당 23ms로 실행되며, 이는 업스트림 Zig stdlib 제한PERF-229 때문입니다. 전...