CVE-2026-3439: Stack-based Buffer Overflow

A post-authentication Stack-based Buffer Overflow vulnerability in SonicOS certificate handling allows a remote attacker to crash a firewall...

nginx:1.24 security update

1.24.0-5.1.0.1 - Reference oracle-indexhtml within Requires Orabug: 33802044 - Remove Red Hat references Orabug: 29498217 1:1.24.0-5.1 - Resolves: RHEL-146526 - nginx:1.24/nginx: NGINX: Data injection via man-in-the-middle attack on TLS proxied connections CVE-2026-1642 1:1.24.0-5 - Resolves:...

Linux Distros Unpatched Vulnerability : CVE-2026-3336

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Improper certificate validation in PKCS7verify in AWS-LC allows an unauthenticated user to bypass certificate chain verification when processing PKCS7 objects...

ALSA-2026:3752 Important: osbuild-composer security update

A service for building customized OS artifacts, such as VM images and OSTree commits, that uses osbuild under the hood. Besides building images for local usage, it can also upload images directly to cloud. It is compatible with composer-cli and cockpit-composer clients. Security Fixes: crypto/x50...

CVE-2025-40896: Improper Certificate Validation

The server certificate was not verified when an Arc agent connected to a Guardian or CMC. A malicious actor could perform a man-in-the-middle attack and intercept the communication between the Arc agent and the Guardian or CMC. This could result in theft of the client token and sensitive...

CVE-2026-2748: Improper Certificate Validation

SEPPmail Secure Email Gateway before version 15.0.1 improperly validates S/MIME certificates issued for email addresses containing whitespaces, allowing signature spoofing...

SEPPmail Secure Email Gateway 安全漏洞

SEPPmail Secure Email Gateway is an email security gateway developed by the German company SEPPmail. Versions of SEPPmail Secure Email Gateway prior to version 15.0.1 contained security vulnerabilities. These vulnerabilities were due to improper validation of S/MIME certificates, which could lead...

PT-2026-22916

Name of the Vulnerable Software and Affected Versions Arc versions affected versions not specified Description A weakness exists where the server certificate is not verified when an Arc agent connects to a Guardian or CMC. This allows a malicious actor to perform a man-in-the-middle attack,...

RHEL 10 : yggdrasil (RHSA-2026:3506)

The remote Redhat Enterprise Linux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:3506 advisory. yggdrasil is a system daemon that subscribes to topics on an MQTT broker and routes any data received on the topics to an appropriate child...

Important: osbuild-composer security update

A service for building customized OS artifacts, such as VM images and OSTree commits, that uses osbuild under the hood. Besides building images for local usage, it can also upload images directly to cloud. It is compatible with composer-cli and cockpit-composer clients. Security Fixes: crypto/x50...

PT-2026-22896

A post-authentication Stack-based Buffer Overflow vulnerability in SonicOS certificate handling allows a remote attacker to crash a firewall...

SonicWALL SonicOS 安全漏洞

SonicWALL SonicOS is an operating system developed by the American company SonicWALL, specifically for use with SonicWall firewall devices. There is a security vulnerability in SonicWall SonicOS, which stems from a stack buffer overflow in certificate processing. This vulnerability could allow...

PT-2026-46279

Update ca-certificates database to 20260129: - mozillacertdata.h,nssckbi.h: Update Mozilla certificate authority bundle of the version 2.82. - The following certificates were updated: Certificate "GlobalSign Root CA" Certificate "Entrust.net Premium 2048 Secure Server CA" Certificate "Comodo AAA...

ALSA-2026:3753 Important: osbuild-composer security update

A service for building customized OS artifacts, such as VM images and OSTree commits, that uses osbuild under the hood. Besides building images for local usage, it can also upload images directly to cloud. It is compatible with composer-cli and cockpit-composer clients. Security Fixes: crypto/x50...

PT-2026-22895

SEPPmail Secure Email Gateway before version 15.0.1 improperly validates S/MIME certificates issued for email addresses containing whitespaces, allowing signature spoofing...

Ubuntu 14.04 LTS / 16.04 LTS / 18.04 LTS / 20.04 LTS / 22.04 LTS / 24.04 LTS / 25.10 : Ceph vulnerabilities (USN-8045-1)

The remote Ubuntu 14.04 LTS / 16.04 LTS / 18.04 LTS / 20.04 LTS / 22.04 LTS / 24.04 LTS / 25.10 host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-8045-1 advisory. Martin Schobert discovered that Ceph did not properly verify SSL certificates when...

Improper Certificate Validation

Overview openclaw is a 🦞 OpenClaw — Personal AI Assistant Affected versions of this package are vulnerable to Improper Certificate Validation via channels.imessage.remoteHost. An attacker can execute arbitrary commands or intercept sensitive data by exploiting trust-on-first-use SSH host key...

Signed malware impersonating workplace apps deploys RMM backdoors

In February 2026, Microsoft Defender Experts identified multiple phishing campaigns attributed to an unknown threat actor. The campaigns used workplace meeting lures, PDF attachments, and abuse of legitimate binaries to deliver signed malware. Phishing emails directed users to download malicious...

Signed malware impersonating workplace apps deploys RMM backdoors

In February 2026, Microsoft Defender Experts identified multiple phishing campaigns attributed to an unknown threat actor. The campaigns used workplace meeting lures, PDF attachments, and abuse of legitimate binaries to deliver signed malware. Phishing emails directed users to download malicious...

AWS-LC has PKCS7_verify Certificate Chain Validation Bypass

Summary AWS-LC is an open-source, general-purpose cryptographic library. Impact Improper certificate validation in PKCS7verify in AWS-LC allows an unauthenticated user to bypass certificate chain verification when processing PKCS7 objects with multiple signers, except the final signer. Customers ...