2360 matches found
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-2026-6238
The deprecated functions nsprintrrf, nsprintrr and fpnquery in the GNU C Library version 2.0.1 to version 2.43 fail to validate the RDATA content against the RDATA length in a DNS response when processing A6, CERT, LOC, TKEY or TSIG records, which may allow an attacker to craft a DNS response,...
CLSA-2026-1777455730 openssh: Fix of CVE-2026-3497
CVE-2026-3497: fix information disclosure or denial of service due to uninitialized variables in GSSAPI key exchange...
JLSEC-2026-271 Issue summary: An OpenSSL TLS 1.3 server may fail to negotiate the expected preferred key exchange...
Issue summary: An OpenSSL TLS 1.3 server may fail to negotiate the expected preferred key exchange group when its key exchange group configuration includes the default by using the 'DEFAULT' keyword. Impact summary: A less preferred key exchange may be used even when a more preferred group is...
openssh: OpenSSH GSSAPI: Information disclosure or denial of service due to uninitialized variables
A flaw was found in the OpenSSH GSSAPI Generic Security Service Application Program Interface delta patches, as included in various Linux distributions. A remote attacker could exploit this by sending an unexpected GSSAPI message type during the key exchange process. This occurs because the...
openssh: OpenSSH GSSAPI: Information disclosure or denial of service due to uninitialized variables
A flaw was found in the OpenSSH GSSAPI Generic Security Service Application Program Interface delta patches, as included in various Linux distributions. A remote attacker could exploit this by sending an unexpected GSSAPI message type during the key exchange process. This occurs because the...
CLSA-2026-1776864708 Fix CVE(s): CVE-2019-13115, CVE-2019-3855, CVE-2019-3856, CVE-2019-3863
SECURITY UPDATE: integer overflow in transport read allowing out-of-bounds write via crafted SSH packet - debian/patches/CVE-2019-3855.patch: add packetlength bounds check against LIBSSH2PACKETMAXPAYLOAD in transport read - CVE-2019-3855 SECURITY UPDATE: integer overflow in keyboard-interactive...
PT-2026-36652
Name of the Vulnerable Software and Affected Versions Gitea affected versions not specified Description The built-in SSH server uses default configurations that advertise weak or broken key exchange, MAC, and host key algorithms. Specifically, the server supports the ecdh-sha2-nistp256,...
openssh: OpenSSH GSSAPI: Information disclosure or denial of service due to uninitialized variables
A flaw was found in the OpenSSH GSSAPI Generic Security Service Application Program Interface delta patches, as included in various Linux distributions. A remote attacker could exploit this by sending an unexpected GSSAPI message type during the key exchange process. This occurs because the...
CVE-2026-1354: Key Exchange without Entity Authentication
Zero Motorcycles firmware versions 44 and prior enable an attacker to forcibly pair a device with the motorcycle via Bluetooth. Once paired, an attacker can utilize over-the-air firmware updating functionality to potentially upload malicious firmware to the motorcycle. The motorcycle must first b...
Debian dsa-6204 : openssh-client - security update
The remote Debian 12 / 13 host has packages installed that are affected by multiple vulnerabilities as referenced in the dsa-6204 advisory. - ------------------------------------------------------------------------- Debian Security Advisory DSA-6204-1 [email protected]...
Debian dla-4535 : openssh-client - security update
The remote Debian 11 host has packages installed that are affected by a vulnerability as referenced in the dla-4535 advisory. - ------------------------------------------------------------------------- Debian LTS Advisory DLA-4535-1 [email protected] https://www.debian.org/lts/security/...
@node-oauth/oauth2-server: PKCE code_verifier ABNF not enforced in token exchange allows brute-force redemption of intercepted authorization codes
Summary The token exchange path accepts RFC7636-invalid codeverifier values including one-character strings for S256 PKCE flows. Because short/weak verifiers are accepted and failed verifier attempts do not consume the authorization code, an attacker who intercepts an authorization code can...
[SECURITY] [DLA 4535-1] openssh security update
------------------------------------------------------------------------- Debian LTS Advisory DLA-4535-1 [email protected] https://www.debian.org/lts/security/ Emilio Pozuelo Monfort April 16, 2026 https://wiki.debian.org/LTS -...
Security Bulletin: Vulnerability in libssh affects IBM Netezza Appliance
Summary The libssh package is used by IBM Netezza Appliance . IBM Netezza Appliance has addressed the applicable CVE CVE-2025-8277 Vulnerability Details CVEID:CVE-2025-8277 DESCRIPTION: A flaw was found in libssh's handling of key exchange KEX processes when a client repeatedly sends incorrect KE...
Security Bulletin: IBM Cloud Pak for Data System (CPDS 2.0) - Insufficient Verification in cryptography package
Summary IBM Cloud Pak for Data System CPDS 2.0 uses the Python cryptography package version 3.3.2, which contains a critical vulnerability CVE-2026-26007 affecting elliptic curve cryptography operations. The package fails to verify that public key points belong to the expected prime-order subgrou...
The vulnerability in the implementation of the Internet Key Exchange (IKE) protocol in Windows operating systems allows a hacker to execute arbitrary code.
The vulnerability of the Internet Key Exchange IKE protocol implementation in Windows operating systems is related to a memory reclamation error. Exploiting this vulnerability could allow an attacker to execute arbitrary code remotely...
PT-2026-50527
Name of the Vulnerable Software and Affected Versions libssh2 versions prior to 1.11.1 Description A pre-authentication denial of service issue exists in the SSH MSG EXT INFO handler within src/packet.c. A malicious SSH server can trigger a CPU exhaustion loop on the client by sending a crafted...
Microsoft Patch Tuesday for April 2026 - Snort Rule and Prominent Vulnerabilities
Microsoft has released its monthly security update for April 2026, which includes 165 vulnerabilities affecting a wide range of products, including eight Microsoft marked as "critical." CVE-2026-23666 is a critical Denial of Service DoS vulnerability that affects the .NET framework. Successful...
