python-ecdsa

순수 Python ECDSA 및 ECDH 이것은 ECDSA타원곡선 디지털 서명 알고리즘, EdDSAEdwards-curve 디지털 서명 알고리즘 및 ECDH타원곡선 Diffie-Hellman를 지원하는 ECC타원곡선 암호의 사용하기 쉬운 구현체로, 순수 Python으로 구현되었으며 MIT 라이선스로 배포됩니다. 이 라이브러리를 사용하면 키 쌍서명 키와 검증 키을 빠르게 생성하고, 메시지에 서명하고, 서명을 검증할 수 있습니다. 또한 교환된 공개 키를 기반으로 공유 비밀 키에 합의할 수도 있습니다. 키와 서명은 매우 짧아서 처리...

CVE-2024-42461

ECDSA 및 EDDSA 서명 검증 문제 해결 설명 Wycheproof 프로젝트의 ECDSA 및 EDDSA 서명 검증에서 문제가 확인되었습니다. 서명 디코딩 단계에서 누락된 검사로 인해 0바이트를 추가하거나 제거할 수 있으며, 이는 이메일 전송 기능에 영향을 줍니다. signature.js 파일의 이 업데이트는 서명 길이를 검증하여 이러한 문제를 해결합니다. 설치 1. 저장소를 클론합니다: git clone https://github.com/tuusuario/turepositorio.git 2. Navega al...

CVE-2026-33936

CVE-2026-33936 ecdsa PyPI におけるサービス拒否 Denial of Service の脆弱性 はじめに 私は python-ecdsa において、Moderate（中程度） の深刻度の脆弱性を特定し、責任ある開示（responsible disclosure）を行いました。python-ecdsa は、先月だけで 4780 万回ダウンロード された広く使われている Python 暗号ライブラリです。 私は python-ecdsa をレビューしているときに、非常に具体的な問いを念頭に置いてこの問題を発見しました。 不正な 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”...

EulerOS 2.0 SP11 : libsolv (EulerOS-SA-2026-3078)

According to the versions of the libsolv packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : A flaw was found in libsolv. This heap buffer overflow vulnerability occurs when a victim processes a specially crafted .solv file containing...

EulerOS 2.0 SP13 : libsolv (EulerOS-SA-2026-2976)

According to the versions of the libsolv packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : A flaw was found in libsolv. A stack-based buffer overflow vulnerability exists in the PGP verification component due to incorrect length handlin...

CLSA-2026-1770682157 TuxCare security update for net.i2p.crypto:eddsa (1 CVE)

TuxCare rebuilt net.i2p.crypto:eddsa to address 1 CVE. Fixed in 0.3.0-tuxcare.1...

Security Bulletin: Security Vulnerability in EdDSA-Java affects IBM Sterling B2B Integrator and IBM Sterling File Gateway (CVE-2020-36843)

Summary IBM Sterling B2B Integrator and IBM Sterling File Gateway have addressed vulnerability due to EdDSA-Java's implementation of the cryptographic algorithm. Vulnerability Details CVEID:CVE-2020-36843 DESCRIPTION: The implementation of EdDSA in EdDSA-Java aka ed25519-java through 0.3.0 exhibi...

CVE-2026-47121

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: 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...

CVE-2026-48863: Stack-based Buffer Overflow

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...