python-ecdsa

Pure-Python ECDSA and ECDH 这是一个易于使用的 ECC（椭圆曲线密码学）实现，支持 ECDSA（椭圆曲线数字签名算法）、EdDSA（爱德华曲线数字签名算法）和 ECDH（椭圆曲线 Diffie-Hellman），完全用纯 Python 实现，并以 MIT 许可证发布。使用此库，您可以快速创建密钥对（签名密钥和验证密钥）、对消息签名并验证签名。您还可以基于交换的公钥协商出共享密钥。密钥和签名都非常短，易于处理并集成到其他协议中。 注意：此库不应在生产环境中使用，详情请参阅Security。 特性 此库为五种流行的 NIST“Suite B”GFp（ 素数域...

CVE-2024-42461

ECDSA 和 EDDSA 签名验证问题的解决方案 描述 在 Wycheproof 项目中发现了 ECDSA 和 EDDSA 签名验证的问题。签名解码阶段缺少检查，允许添加或删除零字节，这影响了邮件的发送能力。本次对 signature.js 文件的更新通过验证签名长度解决了这些问题。 安装 1. 克隆仓库： root@kitploit: git clone https://github.com/tuusuario/turepositorio.git 2. 进入项目目录： cd turepositorio 3. 安装依赖： npm install 使用 4. 导入 elliptic 库：...

CVE-2026-33936

CVE-2026-33936 ecdsa PyPI 中的拒绝服务漏洞 介绍 我在 python-ecdsa 中识别并负责任地披露了一个 中等严重性 的漏洞，这是一个广泛使用的 Python 加密库，过去一个月有 4780 万次下载 。 我在审查 python-ecdsa 时发现了这个问题，心中带着一个非常具体的问题： 如果格式错误的 DER 虚假地声称其长度，而解析器过度信任该长度，会发生什么？ 在这个案例中，这个问题引出了一个真实漏洞。 ecdsa.der 中的 DER...

Astra Linux – Vulnerability in Node-Elliptic

The verify function in lib/elliptic/eddsa/index.js within the Elliptic package, as of version 6.5.6 for Node.js, omits the validation of the condition “sig.S.gtesig.eddsa.curve.n || sig.S.isNeg”...

CVE-2026-47121 Sparkle: Binary delta apply intermediate-symlink traversal in malicious .delta

Sparkle is a software update framework for macOS. Prior to version 2.9.2, Autoupdate/SUBinaryDeltaApply.m enforces relativePath.pathComponents containsObject:@".." and rejects writes whose immediate parent directory IS itself a symbolic link, but does not detect symlinks deeper in the relative...

CVE-2026-47121

Sparkle vulnerability CVE-2026-47121 (affecting macOS AutoUpdate) arises from a defense-in-depth gap in delta application. An archive item can create a symlink in the destination tree and a subsequent file write may traverse the symlink path, allowing writes outside the intended destination when ...

Libsolv: stack-based buffer overflow in libsolv eddsa pgp signature verification allows denial of service

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CVE-2026-48863

The CVE-2026-48863 issue is a stack-based buffer overflow in libsolv’s EdDSA verification when copying the EdDSA 's' MPI, caused by length handling. An adversary could craft an Ed25519 PGP signature with mismatched MPI lengths to trigger a denial of service in automated package/repo processing wo...

CVE-2026-48863 Libsolv: stack-based buffer overflow in libsolv eddsa pgp signature verification allows denial of service

A flaw was found in libsolv. A stack-based buffer overflow vulnerability exists in the PGP verification component due to incorrect length handling when copying EdDSA 's' MPI into a stack buffer. A remote attacker could craft a malicious Ed25519 PGP signature with mismatched MPI lengths. Processin...

Security update for libsolv, libzypp, zypper

This update for libsolv, libzypp, zypper fixes the following issues CVE-2026-9149: Heap buffer overflow in libsolv repoaddsolv via negative maxsize from crafted .solv file bsc1265935. CVE-2026-9150: Stack-based buffer overflow in libsolv's Debian metadata parser when handling SHA384/SHA512...

Security update for libsolv, libzypp, zypper

This update for libsolv, libzypp, zypper fixes the following issues CVE-2026-9149: Heap buffer overflow in libsolv repoaddsolv via negative maxsize from crafted .solv file bsc1265935. CVE-2026-9150: Stack-based buffer overflow in libsolv's Debian metadata parser when handling SHA384/SHA512...

SUSE-SU-2026:2575-1 Security update for libsolv, libzypp, zypper

This update for libsolv, libzypp, zypper fixes the following issues - CVE-2026-9149: Heap buffer overflow in libsolv repoaddsolv via negative maxsize from crafted .solv file bsc1265935. - CVE-2026-9150: Stack-based buffer overflow in libsolv's Debian metadata parser when handling SHA384/SHA512...

Security update for apache-sshd, jpgpj

This update for apache-sshd, jpgpj fixes the following issues CVE-2020-36843: no check performed on scalar to avoid signature malleability bsc1239551. CVE-2026-48827: Apache MINA SSHD: Path traversal in org.apache.sshd: sshd-git bsc1267018. Changes for jpgpj: Initial packaging with v1.3 Changes f...

OESA-2026-2635 libsolv security update

A free package dependency solver using a satisfiability algorithm. The library is based on two major, but independent, blocks: Security Fixes: A flaw was found in libsolv. A stack-based buffer overflow vulnerability exists in the PGP verification component due to incorrect length handling when...

Important: libsolv

Issue Overview: A flaw was found in libsolv. A stack-based buffer overflow vulnerability exists in the PGP verification component due to incorrect length handling when copying EdDSA 's' MPI into a stack buffer. A remote attacker could craft a malicious Ed25519 PGP signature with mismatched MPI...

TencentOS Server 4: libsolv (TSSA-2026:0423)

The version of Tencent Linux installed on the remote TencentOS Server 4 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the TSSA-2026:0423 advisory. Package updates are available for TencentOS Server 4 that fix the following vulnerabilities:...

PT-2026-37824

A security issue was found in Sparkle before version 2.6.4. An attacker can replace an existing signed update with another payload, bypassing Sparkle’s EdDSA signing checks...

Improper Certificate Validation

Overview wolfssl is a None Affected versions of this package are vulnerable to Improper Certificate Validation. due to missing hash/digest size and OID checks in the certificate verification process. An attacker can bypass signature verification by providing digests smaller than allowed when...

UBUNTU-CVE-2026-5194

Missing hash/digest size and OID checks allow digests smaller than allowed when verifying ECDSA certificates, or smaller than is appropriate for the relevant key type, to be accepted by signature verification functions. This could lead to reduced security of ECDSA certificate-based authentication...

CVE-2026-5194

The CVE-2026-5194 issue concerns wolfSSL’s ECDSA certificate verification: missing hash/digest size and OID checks may allow digests smaller than allowed for the given key type to pass verification when EdDSA or ML-DSA is enabled. This could reduce security of ECDSA certificate-based authenticati...