CVE-2026-33936

The ecdsa PyPI package is a pure Python implementation of ECC Elliptic Curve Cryptography with support for ECDSA Elliptic Curve Digital Signature Algorithm, EdDSA Edwards-curve Digital Signature Algorithm and ECDH Elliptic Curve Diffie-Hellman. Prior to version 0.19.2, an issue in the low-level D...

CVE-2026-33936

CVE-2026-33936 affects the Python package python-ecdsa (pre-0.19.2). A flaw in the low-level DER parsing (remove_octet_string) can cause generated truncated DER inputs to be accepted, allowing SigningKey.from_der() to raise an internal IndexError instead of rejecting malformed data, potentially c...

CVE-2026-33936

The ecdsa PyPI package is a pure Python implementation of ECC Elliptic Curve Cryptography with support for ECDSA Elliptic Curve Digital Signature Algorithm, EdDSA Edwards-curve Digital Signature Algorithm and ECDH Elliptic Curve Diffie-Hellman. Prior to version 0.19.2, an issue in the low-level D...

CVE-2026-33936 python-ecdsa: Denial of Service via improper DER length validation in crafted private keys

The ecdsa PyPI package is a pure Python implementation of ECC Elliptic Curve Cryptography with support for ECDSA Elliptic Curve Digital Signature Algorithm, EdDSA Edwards-curve Digital Signature Algorithm and ECDH Elliptic Curve Diffie-Hellman. Prior to version 0.19.2, an issue in the low-level D...

CVE-2026-33936

The ecdsa PyPI package is a pure Python implementation of ECC Elliptic Curve Cryptography with support for ECDSA Elliptic Curve Digital Signature Algorithm, EdDSA Edwards-curve Digital Signature Algorithm and ECDH Elliptic Curve Diffie-Hellman. Prior to version 0.19.2, an issue in the low-level D...

CVE-2026-33936 python-ecdsa: Denial of Service via improper DER length validation in crafted private keys

The ecdsa PyPI package is a pure Python implementation of ECC Elliptic Curve Cryptography with support for ECDSA Elliptic Curve Digital Signature Algorithm, EdDSA Edwards-curve Digital Signature Algorithm and ECDH Elliptic Curve Diffie-Hellman. Prior to version 0.19.2, an issue in the low-level D...

Improper Handling of Length Parameter Inconsistency

Overview ecdsa is an easy-to-use implementation of ECDSA cryptography Elliptic Curve Digital Signature Algorithm, implemented purely in Python, released under the MIT license. Affected versions of this package are vulnerable to Improper Handling of Length Parameter Inconsistency due to improper...

python-ecdsa: Denial of Service via improper DER length validation in crafted private keys

Summary An issue in the low-level DER parsing functions can cause unexpected exceptions to be raised from the public API functions. 1. ecdsa.der.removeoctetstring accepts truncated DER where the encoded length exceeds the available buffer. For example, an OCTET STRING that declares a length of 40...

PT-2026-28568

Name of the Vulnerable Software and Affected Versions ecdsa versions prior to 0.19.2 Description The ecdsa package, a Python implementation of ECC, contains a flaw in its DER parsing functions. Specifically, ecdsa.der.remove octet string incorrectly accepts truncated DER data where the declared...

Pure-Python ECDSA and ECDH 安全漏洞

Pure-Python ECDSA and ECDH is a pure Python implementation of elliptic curve cryptography library open-sourced by tlsfuzzer. Versions of Pure-Python ECDSA and ECDH prior to 0.19.2 have security vulnerabilities. These vulnerabilities stem from low-level DER parsing functions, which may cause...

Huawei EulerOS: Security Advisory for golang (EulerOS-SA-2026-1578)

The remote host is missing an update for the Huawei EulerOS SPDX-FileCopyrightText: 2026 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

EulerOS 2.0 SP12 : golang (EulerOS-SA-2026-1394)

According to the versions of the golang packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : The Reader.ReadResponse function constructs a response string through repeated string concatenation of lines. When the number of lines in a respon...

EulerOS 2.0 SP10 : golang (EulerOS-SA-2026-1310)

According to the versions of the golang packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : Within HostnameError.Error, when constructing an error string, there is no limit to the number of hosts that will be printed out. Furthermore, the...

EulerOS Virtualization 2.10.0 : gnutls (EulerOS-SA-2026-1169)

According to the versions of the gnutls packages installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : A flaw was found in GnuTLS. A double-free vulnerability exists in GnuTLS due to incorrect ownership handling in the export logic of...

EulerOS Virtualization 2.10.1 : gnutls (EulerOS-SA-2026-1118)

According to the versions of the gnutls packages installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : A flaw was found in GnuTLS. A double-free vulnerability exists in GnuTLS due to incorrect ownership handling in the export logic of...

📄 OpenSSL 3.x ASN.1 AES‑GCM Nonce Stack Corruption

This Metasploit auxiliary module generates a specially crafted CMS file encoded in DER format to test a stack-based buffer overflow vulnerability in OpenSSL's ASN.1 parser related to improper handling of oversized AES-GCM nonce IV values within AES-GCM-Parameters as defined in RFC 5084. The...

Security update for go1.24-openssl

This update for go1.24-openssl fixes the following issues: Update to version 1.24.12 released 2026-01-15 jscSLE-18320, bsc1236217: Security fixes: CVE-2025-47912: net/url: insufficient validation of bracketed IPv6 hostnames bsc1251257. CVE-2025-58183: archive/tar: unbounded allocation when parsin...

Unity Linux 20.1070e Security Update: gnutls (UTSA-2026-004960)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-004960 advisory. A flaw was found in GnuTLS, which relies on libtasn1 for ASN.1 data processing. Due to an inefficient algorithm in libtasn1, decoding certain DER-encoded certificate...

MiracleLinux 7 : libtasn1-4.10-1.el7 (AXSA:2017-1751:01)

The remote MiracleLinux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2017-1751:01 advisory. Libtasn1 is a library that provides Abstract Syntax Notation One ASN.1, as specified by the X.680 ITU-T recommendation parsing and structures...

MiracleLinux 4 : openssl-1.0.0-20.AXS4.4, openssl098e-0.9.8e-17.AXS4.2 (AXSA:2012-535:05)

The remote MiracleLinux 4 host has packages installed that are affected by a vulnerability as referenced in the AXSA:2012-535:05 advisory. The OpenSSL toolkit provides support for secure communications between machines. OpenSSL includes a certificate management tool and shared libraries which...