JLSEC-2026-682 Generating the ECDSA nonce k samples a random number r and then truncates this randomness with a...

Generating the ECDSA nonce k samples a random number r and then truncates this randomness with a modular reduction mod n where n is the order of the elliptic curve. Meaning k = r mod n. The division used during the reduction estimates a factor qe by dividing the upper two digits a digit having e....

JLSEC-2026-675

An issue was discovered in wolfSSL before 5.5.0. A fault injection attack on RAM via Rowhammer leads to ECDSA key disclosure. Users performing signing operations with private ECC keys, such as in server-side TLS connections, might leak faulty ECC signatures. These signatures can be processed via ...

CVE-2026-50722

A flaw was found in Libreswan's implementation of IKEv2 authentication when processing signatures utilizing the RSASSA-PKCS1-v15 scheme. The RSAauthenticatehashsignaturepkcs115rsa function does not correctly validate the DER encoding of the ASN.1 digest. A remote, unauthenticated attacker could...

EulerOS 2.0 SP15 : openssh (EulerOS-SA-2026-2455)

According to the versions of the openssh packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : OpenSSH before 10.3 omits connection multiplexing confirmation for proxy-mode multiplexing sessions.CVE-2026-35388 OpenSSH before 10.3 mishandles...

EulerOS 2.0 SP15 : python-cryptography (EulerOS-SA-2026-2459)

According to the versions of the python-cryptography packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : cryptography is a package designed to expose cryptographic primitives and recipes to Python developers. Prior to 46.0.5, the...

EulerOS 2.0 SP15 : python-cryptography (EulerOS-SA-2026-2500)

According to the versions of the python-cryptography packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : cryptography is a package designed to expose cryptographic primitives and recipes to Python developers. Prior to 46.0.5, the...

EulerOS 2.0 SP15 : openssh (EulerOS-SA-2026-2496)

According to the versions of the openssh packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : OpenSSH before 10.3 omits connection multiplexing confirmation for proxy-mode multiplexing sessions.CVE-2026-35388 OpenSSH before 10.3 mishandles...

SUSE-SU-2026:22158-1 Security update for python-ecdsa

This update for python-ecdsa fixes the following issue: - CVE-2026-33936: issue in the low-level DER parsing functions can cause unexpected exceptions to be raised from the public API functions bsc1261009...

OPENSUSE-SU-2026:21078-1 Security update for python-ecdsa

This update for python-ecdsa fixes the following issue: - CVE-2026-33936: issue in the low-level DER parsing functions can cause unexpected exceptions to be raised from the public API functions bsc1261009...

Bosch Security Systems IP Cameras NXP Chip Side-Channel Key Extraction (CVE-2021-3011)

Several Bosch IP cameras are built on a hardware platform that uses an NXP SmartMX/P5x secure element affected by an electromagnetic-wave side-channel vulnerability. An attacker with extended physical access to the device could recover the ECDSA private key and clone the device. The issue resides...

MGASA-2026-0210 Updated putty packages fix security vulnerabilities

ECDSA signature verification can be made to fail an assertion. Server can provoke a double free in RSA KEX code. Telnet session data is marked with trust sigils after authenticating to a proxy. PuTTY Ed25519 Signature ecc-ssh.c eddsaverify signature verification. CVE-2026-4115...

Updated putty packages fix security vulnerabilities

ECDSA signature verification can be made to fail an assertion. Server can provoke a double free in RSA KEX code. Telnet session data is marked with trust sigils after authenticating to a proxy. PuTTY Ed25519 Signature ecc-ssh.c eddsaverify signature verification. CVE-2026-4115...

Updated openssh packages fix security vulnerabilities

In OpenSSH before 10.3, a file downloaded by scp may be installed setuid or setgid, an outcome contrary to some users' expectations, if the download is performed as root with -O legacy scp protocol and without -p preserve mode. CVE-2026-35385 In OpenSSH before 10.3, command execution can occur vi...

EulerOS 2.0 SP13 : openssh (EulerOS-SA-2026-2348)

According to the versions of the openssh packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : OpenSSH before 10.3 mishandles the authorizedkeys principals option in uncommon scenarios involving a principals list in conjunction with a...

EulerOS 2.0 SP13 : python-ecdsa (EulerOS-SA-2026-2309)

According to the versions of the python-ecdsa packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : The ecdsa PyPI package is a pure Python implementation of ECC Elliptic Curve Cryptography with support for ECDSA Elliptic Curve Digital...

ROOT-APP-PYPI-CVE-2026-33936 CVE-2026-33936 in rootio-ecdsa - Patched by Root

Root has patched CVE-2026-33936 in the rootio-ecdsa package for Root:PyPI. Multiple fixed versions available...

Security Bulletin: Multiple vulnerabilities in OpenSSH affect AIX

Summary There are multiple vulnerabilities in OpenSSH used by AIX CVE-2026-35385, CVE-2026-35386, CVE-2026-35387, CVE-2026-35388, CVE-2026-35414. OpenSSH is used by AIX for remote login. Vulnerability Details CVEID:CVE-2026-35385 DESCRIPTION: In OpenSSH before 10.3, a file downloaded by scp may b...

cryptography: cryptography Subgroup Attack Due to Missing Subgroup Validation for SECT Curves

A validation flaw has been discovered in the python cryptography package. This missing validation allows an attacker to provide a public key point P from a small-order subgroup. This can lead to security issues in various situations, such as the most commonly used signature verification ECDSA and...

SUSE CVE-2026-48852

PuTTY 0.71 before 0.84 has an assertion failure in ECDSA signature verification...

Amazon Linux 2023 : openssh, openssh-clients, openssh-keycat (ALAS2023-2026-1745)

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2026-1745 advisory. Vulnerability in the OpenSSH GSSAPI delta included in various Linux distributions. This vulnerability affects the GSSAPI patches added by various Linux distributions and does not affect the...