Important: openvpn

Issue Overview: HMAC verification check: fix incorrect memcmp call NOTE: https://community.openvpn.net/Security%20Announcements/CVE-2025-13086 CVE-2025-13086 Affected Packages: openvpn Issue Correction: Run dnf update openvpn --releasever 2023.9.20251208 or dnf update --advisory ALAS2023-2025-131...

CVE-2025-65945

auth0/node-jws is a JSON Web Signature implementation for Node.js. In versions 3.2.2 and earlier and version 4.0.0, auth0/node-jws has an improper signature verification vulnerability when using the HS256 algorithm under specific conditions. Applications are affected when they use the...

CVE-2025-65945

CVE-2025-65945 affects auth0/node-jws (Node.js). In affected versions (3.2.2 and earlier; 4.0.0) there is an improper HS256 signature verification under specific conditions when using jws.createVerify() with user-provided header/payload data in HMAC secret lookups. IBM bulletins corroborate the i...

CVE-2025-65945 auth0/node-jws improper HMAC signature verification vulnerability

auth0/node-jws is a JSON Web Signature implementation for Node.js. In versions 3.2.2 and earlier and version 4.0.0, auth0/node-jws has an improper signature verification vulnerability when using the HS256 algorithm under specific conditions. Applications are affected when they use the...

EUVD-2025-201250

auth0/node-jws Improperly Verifies HMAC Signature...

Improper Verification of Cryptographic Signature

Overview jws is an Implementation of JSON Web Signatures Affected versions of this package are vulnerable to Improper Verification of Cryptographic Signature via the createVerify function when using HS256 HMAC algorithms and incorporating user-provided data from the JSON Web Signature Protected...

auth0/node-jws Improperly Verifies HMAC Signature

Overview An improper signature verification vulnerability exists when using auth0/node-jws with the HS256 algorithm under specific conditions. Am I Affected? You are affected by this vulnerability if you meet all of the following preconditions: 1. Application uses the auth0/node-jws implementatio...

CVE-2025-13086

Improper validation of source IP addresses in OpenVPN version 2.6.0 through 2.6.15 and 2.7alpha1 through 2.7rc1 allows an attacker to open a session from a different IP address which did not initiate the connection resulting in a denial of service for the originating client...

Ubuntu 24.04 LTS / 25.04 / 25.10 : OpenVPN vulnerability (USN-7898-1)

The remote Ubuntu 24.04 LTS / 25.04 / 25.10 host has a package installed that is affected by a vulnerability as referenced in the USN-7898-1 advisory. Joshua Rogers discovered that OpenVPN incorrectly handled HMAC verification checks. A remote attacker could possibly use this issue to bypass sour...

Ubuntu: Security Advisory (USN-7898-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2025 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...

Slackware: Security Advisory (SSA:2025-323-01)

The remote host is missing an update for the SPDX-FileCopyrightText: 2025 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...

OpenVPN HMAC Verification Vulnerability Bypass (Nov 2025) - Windows

OpenVPN is prone to a hmac bypass verification vulnerability. SPDX-FileCopyrightText: 2025 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 CPE = "cpe:/a:openvpn:openvpn";...

Linux Distros Unpatched Vulnerability : CVE-2025-13086

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Improper validation of source IP addresses in OpenVPN version 2.6.0 through 2.6.15 and 2.7alpha1 through 2.7rc1 allows an attacker to open a session from a...

FreeBSD : OpenVPN -- HMAC verification on source IP address ineffective (17a40d76-c3fd-11f0-b513-0da7be77c170)

The version of FreeBSD installed on the remote host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the 17a40d76-c3fd-11f0-b513-0da7be77c170 advisory. Arne Schwabe reports: Fix memcmp check for the hmac verification in the 3way handshake being inverted...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-989398)

"The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-989398 advisory. In the Linux kernel, the following vulnerability has been resolved: ipv6: sr: fix out-of-bounds read when setting HMAC data. The SRv6 layer allows defining HMAC dat...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-989143)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-989143 advisory. In the Linux kernel, the following vulnerability has been resolved: net: ipv6: unexport init-annotated seg6hmacinit EXPORTSYMBOL and init is a bad combination becaus...

Unity Linux 20.1050e Security Update: kernel (UTSA-2025-990074)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-990074 advisory. In the Linux kernel, the following vulnerability has been resolved: net: ipv6: unexport init-annotated seg6hmacinit EXPORTSYMBOL and init is a bad combination becaus...

Siemens SIMATIC Devices Missing Release of Memory after Effective Lifetime (CVE-2024-39489)

In the Linux kernel, the following vulnerability has been resolved: ipv6: sr: fix memleak in seg6hmacinitalgo seg6hmacinitalgo returns without cleaning up the previous allocations if one fails, so it's going to leak all that memory and the crypto tfms. Update seg6hmacexit to only free the memory...

Updated libtpms package fixes security vulnerability

It was discovered that libtpms had a potential out-of-bound access & abort due to HMAC signing issue CVE-2025-49133...

CVE-2025-34500

Deck Mate 2's firmware update mechanism accepts packages without cryptographic signature verification, encrypts them with a single hard-coded AES key shared across devices, and uses a truncated HMAC for integrity validation. Attackers with access to the update interface - typically via the unit's...