Stay Informed

Cybersecurity News

Home / News

Clear

Quick searches: Linux Windows Microsoft 365 AWS OVH VMware WordPress Fortinet Citrix VPN

1026 result(s) for "OT" — best match first.

What it means for your servers

The security stories that matter, explained by our team — with the concrete steps to take.

Latest headlines from security outlets

Collected every two hours from specialised publications — each link leads to the original article.

The Hacker News
The Hacker News Vulnerabilities

Cisco Warns of Active Attacks Exploiting New Critical Secure Email Gateway Vulnerability

Attackers are exploiting a critical flaw in Cisco Secure Email Gateway that lets a sender with no login write files to the appliance's operating system, Cisco …

Cisco

BleepingComputer
BleepingComputer Vulnerabilities

Ivanti warns of Connect Secure zero-day exploited in attacks

Ivanti urged customers on Tuesday to immediately patch an actively exploited zero-day vulnerability in the Ivanti Connect Secure (ICS) remote access gateway.…

Ivanti

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Fedora 44 Curl Information Disclosure Fix CVE-2026-19931 Advisory

Fix Negotiate ambient user conn reuse (CVE-2026-19931)

Linux

BleepingComputer
BleepingComputer Vulnerabilities

GitLab warns of max severity code execution vulnerability

GitLab warned users today to immediately patch a maximum-severity vulnerability in the CI/CD Regular Expression Compiler that could let remote attackers run ar…

GitLab

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Alerts

Fedora 44 openbao 2.6.4 Security Advisory 2026-c079fc3c0b

Update to upstream 2.6.4. Includes multiple GHSA security notices, see https://github.com/openbao/openbao/releases/tag/v2.6.4 Update to 2.6.3-2. Fixes privileg…

Linux GitHub

BleepingComputer
BleepingComputer Vulnerabilities

Citrix warns admins to patch new NetScaler RCE flaw immediately

Citrix has warned IT administrators to patch systems immediately against a new critical vulnerability affecting NetScaler ADC networking appliances and NetScal…

Citrix

BleepingComputer
BleepingComputer Vulnerabilities

Cisco warns of critical flaws allowing Nexus switch takeover

Cisco released security advisories for five critical vulnerabilities in its NX-OS data center network operating system that could be exploited to run arbitrary…

Cisco

LinuxSecurity - Security Articles
LinuxSecurity - Security Articles Vulnerabilities

vLLM Vulnerability Update Fixes RCE and Server-Crashing Flaws

The vLLM project published security advisories on October 6, 2026, identifying version 0.31.0 as the fix for remote code execution (RCE), service crashes, and …

BleepingComputer
BleepingComputer Vulnerabilities

SonicWall warns of max severity SSRF flaw in SMA1000 gateways

SonicWall has released hotfixes to address a maximum-severity server-side request forgery (SSRF) flaw in SMA1000 series appliances.…

The Record
The Record Vulnerabilities

US, Australia warn of latest Citrix vulnerability after NetScaler advisory

Citrix confirmed late on Friday that it was “tracking a newly observed issue” related to some customer-managed NetScaler deployments but claimed the problem wa…

Citrix

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Debian OpenSSL Important DoS Info Disclosure and Key Recovery DSA-6531-1

Multiple vulnerabilities have been discovered in OpenSSL, a Secure Sockets Layer toolkit, which could result in denial of service, information disclosure or po…

Linux OpenSSL

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Alerts

Debian libheif Critical Memory Disclosure DoS Advisory DSA-6523-1

Multiple security issues were discovered in libheif, an ISO/IEC 23008-12 HEIF and AVIF image file format decoder and encoder, which may result in denial of ser…

Linux

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Alerts

Debian LTS evolution-data-server Critical File Deletion Advisory DLA-4796-1

An issue has been found in evolution-data-server, an evolution database backend server. A Flatpak application with D-Bus access to the addressbook service can …

Linux

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Alerts

Fedora 45 Evolution Important Security Fix Advisory 2026-5debc0de2b

Update to 3.62.0 evolution-data-server Bug Fixes: I#660 - GOA EWS: Do not require OABUrl in autodiscover I#662 - EBackend: Document how OAuth2 sources should a…

Linux

LinuxSecurity - Security Articles
LinuxSecurity - Security Articles Vulnerabilities

MCP Toolbox Flaw Could Expose Google Service Tokens

A September 23 advisory describes a flaw in the Python SDK used with MCP Toolbox: a shared cache could send a Google ID token to a service it was not meant for.

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Alerts

Fedora 45 Forgejo 15.0.8 Security Fix Advisory 2026-e9a6f74bd2

This is an upstream bug and security fix release. Please consult the upstream release notes for more details.

Linux

The Hacker News
The Hacker News Vulnerabilities

Critical Unbound DNSSEC Validator Flaw Could Allow RCE via a Malicious DNS Zone

Every release of the Unbound DNS resolver before 1.26.1 has a critical heap overflow in its DNSSEC validator, maintainer NLnet Labs said in an advisory on Wedn…

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Alerts

Fedora 43 rust-lru Critical Use-After-Free Issue Fix 2026-332a62112c

Update lru crate to version 0.18.4 and add a compat package for version 0.16. This fixes an obscure potential use-after-free issue: https://rustsec.org/advisor…

Linux

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Fedora 45 rust-lru Update Addresses Possible Use-After-Free Vulnerability

Update lru crate to version 0.18.4 and add a compat package for version 0.16. This fixes an obscure potential use-after-free issue: https://rustsec.org/advisor…

Linux

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Alerts

Fedora 43 rust-lru0.16 Update Critical Use-After-Free Fix 2026-332a62112c

Update lru crate to version 0.18.4 and add a compat package for version 0.16. This fixes an obscure potential use-after-free issue: https://rustsec.org/advisor…

Linux

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Alerts

Fedora 44 rust-lru Critical Use-After-Free Fix Advisory 2026-33c180c1b0

Update lru crate to version 0.18.4 and add a compat package for version 0.16. This fixes an obscure potential use-after-free issue: https://rustsec.org/advisor…

Linux

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Fedora 44 rust-lru0.16 Medium Use-After-Free Vulnerability 2026-33c180c1b0

Update lru crate to version 0.18.4 and add a compat package for version 0.16. This fixes an obscure potential use-after-free issue: https://rustsec.org/advisor…

Linux

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Alerts

Fedora 45 rust-lru Significant Use After Free Advisory 2026-df36f81efc

Update lru crate to version 0.18.4 and add a compat package for version 0.16. This fixes an obscure potential use-after-free issue: https://rustsec.org/advisor…

Linux

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Alerts

Fedora 43 Rust Hickory-net Security Advisory 2026-e82315c1dc

Update hickory-dns crates to version 0.26.2. This includes fixes for a large number of security relevant bugs. Release notes: https://github.com/hickory-dns/hi…

Linux GitHub