CVE-2026-25506 MUNGE has a buffer overflow in message unpacking allows key leakage and credential forgery

MUNGE is an authentication service for creating and validating user credentials. From 0.5 to 0.5.17, local attacker can exploit a buffer overflow vulnerability in munged the MUNGE authentication daemon to leak cryptographic key material from process memory. With the leaked key material, the...

Node.js: Timing side-channel in HMAC verification via memcmp() in crypto_hmac.cc leads to potential MAC forgery

Vulnerability description not provided...

SUSE-SU-2026:0203-1 Security update for the Linux Kernel (Live Patch 15 for SUSE Linux Enterprise 15 SP6)

This update for the SUSE Linux Enterprise kernel 6.4.0-150600.23.70 fixes various security issues The following security issues were fixed: - CVE-2023-53676: scsi: target: iscsi: Fix buffer overflow in liotargetnaclinfoshow bsc1251787. - CVE-2025-39682: tls: fix handling of zero-length records on...

SUSE-SU-2026:20376-1 Security update for the Linux Kernel (Live Patch 4 for SUSE Linux Enterprise Micro 6.0)

This update for the SUSE Linux Enterprise kernel 6.4.0-24.1 fixes various security issues The following security issues were fixed: - CVE-2023-53676: scsi: target: iscsi: Fix buffer overflow in liotargetnaclinfoshow bsc1251787. - CVE-2024-57849: s390/cpumsf: handle CPU hotplug remove during...

SUSE-SU-2026:20384-1 Security update for the Linux Kernel (Live Patch 13 for SUSE Linux Enterprise Micro 6.0)

This update for the SUSE Linux Enterprise kernel 6.4.0-36.1 fixes various security issues The following security issues were fixed: - CVE-2023-53676: scsi: target: iscsi: Fix buffer overflow in liotargetnaclinfoshow bsc1251787. - CVE-2025-40204: sctp: Fix MAC comparison to be constant-time...

SUSE-SU-2026:0147-1 Security update for the Linux Kernel RT (Live Patch 6 for SUSE Linux Enterprise 15 SP7)

This update for the SUSE Linux Enterprise kernel 640-150700.7.22 fixes various security issues The following security issues were fixed: - CVE-2023-53676: scsi: target: iscsi: Fix buffer overflow in liotargetnaclinfoshow bsc1251787. - CVE-2025-40204: sctp: Fix MAC comparison to be constant-time...

Cryptographic Semantic Binding Flaw

ALTCHA libraries are vulnerable to a cryptographic semantic binding flaw. The vulnerability is due to ambiguous HMAC binding between challenge parameters and the nonce, which allows an attacker to splice or reinterpret a valid proof-of-work submission for example by modifying the expiration value...

CVE-2025-65552

D3D Wi-Fi Home Security System ZX-G12 v2.1.1 is vulnerable to RF replay attacks on the 433 MHz sensor communication channel. The system does not implement rolling codes, message authentication, or anti-replay protection, allowing an attacker within RF range to record valid alarm/control frames an...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: SCTP: The comparison of MACs has been fixed to require constant-time operations. To prevent timing attacks, MACs need to be compared in constant-time. Use the appropriate helper function for this purpose...

PT-2026-2268

Name of the Vulnerable Software and Affected Versions D3D Wi-Fi Home Security System ZX-G12 version 2.1.1 Description The D3D Wi-Fi Home Security System ZX-G12 version 2.1.1 is susceptible to RF replay attacks on the 433 MHz sensor communication channel. The system lacks essential security measur...

Improper Verification of Cryptographic Signature

Overview altcha is a The ALTCHA Python Library is a lightweight, zero-dependency library designed for creating and verifying ALTCHA challenges, specifically tailored for Python applications. Affected versions of this package are vulnerable to Improper Verification of Cryptographic Signature via t...

Finality Provider vulnerable to anti-slashing bypassing due to misconfiguration

Summary The anti-slashing is not effective if the attacker can access EOTS manager endpoints. Impact If the EOTS manager endpoints are open to public without HMAC protection, the attacker can manually cause slashing of the finality provider through the RPC endpoints. Report credits go to:...

CVE-2013-10031

Plack-Middleware-Session versions before 0.17 may be vulnerable to HMAC comparison timing attacks...

Secure Command, Control and Communications Systems (C3) for Army UxVs

Unmanned Vehicles UxVs are increasingly used in modern military operations for reconnaissance, surveillance, and strike missions, enhancing situational awareness while reducing risk to personnel. Their affordability and rapid deployment have encouraged the adoption of commercial solutions. Howeve...

kernel: ipv6: sr: Fix MAC comparison to be constant-time

In the Linux kernel, the following vulnerability has been resolved: ipv6: sr: Fix MAC comparison to be constant-time To prevent timing attacks, MACs need to be compared in constant time. Use the appropriate helper function for this...

Evaluation of Real-Time Mitigation Techniques for Cyber Security in IEC 61850 / IEC 62351 Substations

The digitalization of substations enlarges the cyber-attack surface, necessitating effective detection and mitigation of cyber attacks in digital substations. While machine learning-based intrusion detection has been widely explored, such methods have not demonstrated detection and mitigation...

DEBIAN-CVE-2025-40204

In the Linux kernel, the following vulnerability has been resolved: sctp: Fix MAC comparison to be constant-time To prevent timing attacks, MACs need to be compared in constant time. Use the appropriate helper function for this...

UBUNTU-CVE-2025-40204

In the Linux kernel, the following vulnerability has been resolved: sctp: Fix MAC comparison to be constant-time To prevent timing attacks, MACs need to be compared in constant time. Use the appropriate helper function for this...

CVE-2025-40204 sctp: Fix MAC comparison to be constant-time

In the Linux kernel, the following vulnerability has been resolved: sctp: Fix MAC comparison to be constant-time To prevent timing attacks, MACs need to be compared in constant time. Use the appropriate helper function for this...

CVE-2025-40204

Vulnerability CVE-2025-40204 in the Linux kernel affects SCTP MAC comparison; the issue is resolved by ensuring constant-time MAC comparisons. The advisory texts explicitly state that the fix is in the Linux kernel SCTP code and aim to prevent timing attacks. Connected documents also show multipl...