CVE-2025-27773

The SimpleSAMLphp SAML2 library is a PHP library for SAML2 related functionality. Prior to versions 4.17.0 and 5.0.0-alpha.20, there is a signature confusion attack in the HTTPRedirect binding. An attacker with any signed SAMLResponse via the HTTP-Redirect binding can cause the application to...

CVE-2025-24043

Improper verification of cryptographic signature in .NET allows an authorized attacker to execute code over a network...

SUSE CVE-2020-36843

The implementation of EdDSA in EdDSA-Java aka ed25519-java through 0.3.0 exhibits signature malleability and does not satisfy the SUF-CMA Strong Existential Unforgeability under Chosen Message Attacks property. This allows attackers to create new valid signatures different from previous signature...

GitHub Uncovers New ruby-saml Vulnerabilities Allowing Account Takeover Attacks

Two high-severity security flaws have been disclosed in the open-source ruby-saml library that could allow malicious actors to bypass Security Assertion Markup Language SAML authentication protections. SAML is an XML-based markup language and open-standard used for exchanging authentication and...

GHSA-P53J-G8PW-4W5F Ed25519 Signature Malleability in ed25519-java Due to Missing Scalar Range Check

The implementation of EdDSA in EdDSA-Java aka ed25519-java through 0.3.0 exhibits signature malleability and does not satisfy the SUF-CMA Strong Existential Unforgeability under Chosen Message Attacks property. This allows attackers to create new valid signatures different from previous signature...

Ed25519 Signature Malleability in ed25519-java Due to Missing Scalar Range Check

The implementation of EdDSA in EdDSA-Java aka ed25519-java through 0.3.0 exhibits signature malleability and does not satisfy the SUF-CMA Strong Existential Unforgeability under Chosen Message Attacks property. This allows attackers to create new valid signatures different from previous signature...

CVE-2020-36843

The implementation of EdDSA in EdDSA-Java aka ed25519-java through 0.3.0 exhibits signature malleability and does not satisfy the SUF-CMA Strong Existential Unforgeability under Chosen Message Attacks property. This allows attackers to create new valid signatures different from previous signature...

CVE-2020-36843

The implementation of EdDSA in EdDSA-Java aka ed25519-java through 0.3.0 exhibits signature malleability and does not satisfy the SUF-CMA Strong Existential Unforgeability under Chosen Message Attacks property. This allows attackers to create new valid signatures different from previous signature...

AZL-73250 CVE-2020-36843 affecting package ed25519-java for versions less than 0.3.0-1

The implementation of EdDSA in EdDSA-Java aka ed25519-java through 0.3.0 exhibits signature malleability and does not satisfy the SUF-CMA Strong Existential Unforgeability under Chosen Message Attacks property. This allows attackers to create new valid signatures different from previous signature...

DEBIAN-CVE-2020-36843

The implementation of EdDSA in EdDSA-Java aka ed25519-java through 0.3.0 exhibits signature malleability and does not satisfy the SUF-CMA Strong Existential Unforgeability under Chosen Message Attacks property. This allows attackers to create new valid signatures different from previous signature...

UBUNTU-CVE-2020-36843

The implementation of EdDSA in EdDSA-Java aka ed25519-java through 0.3.0 exhibits signature malleability and does not satisfy the SUF-CMA Strong Existential Unforgeability under Chosen Message Attacks property. This allows attackers to create new valid signatures different from previous signature...

Improper Verification of Cryptographic Signature

Overview Affected versions of this package are vulnerable to Improper Verification of Cryptographic Signature in the xengineVerify method in EdDSAEngine.java, which does not comply with RFC 8032 specifications for signature maleability. An attacker can create new valid signatures different from...

Improper Verification of Cryptographic Signature

Overview Affected versions of this package are vulnerable to Improper Verification of Cryptographic Signature in the xengineVerify method in EdDSAEngine.java, which does not comply with RFC 8032 specifications for signature maleability. An attacker can create new valid signatures different from...

EdDSA-Java 安全漏洞

EdDSA-Java is a pure Java implementation of EdDSA by the individual developer Jack Grigg. A security vulnerability exists in EdDSA-Java 0.3.0 and prior versions that stems from signature malleability that does not satisfy the SUF-CMA property, which could lead an attacker to create a new valid...

CVE-2020-36843

The implementation of EdDSA in EdDSA-Java aka ed25519-java through 0.3.0 exhibits signature malleability and does not satisfy the SUF-CMA Strong Existential Unforgeability under Chosen Message Attacks property. This allows attackers to create new valid signatures different from previous signature...

The vulnerability of the AMD CPU ROM microprogramming system’s loader allows a perpetrator to compromise the confidentiality and integrity of the protected information.

The vulnerability of AMD CPU ROM microprogramming software’s loader is related to errors in checking the cryptographic signature. Exploiting this vulnerability could allow an attacker to compromise the confidentiality and integrity of the protected information...

The vulnerability of the Cisco IOS XR operating system’s loader allows a hacker to circumvent existing security restrictions.

The vulnerability of the Cisco IOS XR operating system’s loader is related to errors in verifying the cryptographic signature. Exploiting this vulnerability could allow a hacker to circumvent existing security restrictions...

CVE-2020-36843

The implementation of EdDSA in EdDSA-Java aka ed25519-java through 0.3.0 exhibits signature malleability and does not satisfy the SUF-CMA Strong Existential Unforgeability under Chosen Message Attacks property. This allows attackers to create new valid signatures different from previous signature...

CVE-2020-36843

CVE-2020-36843 affects EdDSA-Java (ed25519-java) up to 0.3.0, causing signature malleability and failure of SUF-CMA. Connected IBM advisories document concrete products/versions at risk and available fixes: IBM App Connect Enterprise Toolkit v13.0.1.0–13.0.4.2 with APAR IT48311, fixed in 13.0.5.0...

Microsoft WinDbg Remote Code Execution (March 2025)

The Microsoft WinDbg app installed on the remote host is affected by a remote code execution vulnerability: - Improper verification of cryptographic signature in .NET allows an authorized attacker to execute code over a network. CVE-2025-24043 Note that Nessus has not tested for this issue but ha...