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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

New Critical RCE Vulnerability Discovered in Apache Struts 2 - Patch Now

Apache has released a security advisory warning of a critical security flaw in the Struts 2 open-source web application framework that could result in remote c…

Apache

The Hacker News
The Hacker News Vulnerabilities

CISA Adds Three Security Flaws with Active Exploitation to KEV Catalog

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Thursday added three security flaws to its Known Exploited Vulnerabilities (KEV) catalog ba…

Windows

The Hacker News
The Hacker News Vulnerabilities

Record-Breaking 100 Million RPS DDoS Attack Exploits HTTP/2 Rapid Reset Flaw

Cloudflare on Thursday said it mitigated thousands of hyper-volumetric HTTP distributed denial-of-service (DDoS) attacks that exploited a recently disclosed fl…

The Hacker News
The Hacker News Vulnerabilities

Cisco Zero-Day Exploited to Implant Malicious Lua Backdoor on Thousands of Devices

Cisco has warned of a new zero-day flaw in IOS XE that has been actively exploited by an unknown threat actor to deploy amalicious Lua-based implanton suscepti…

Cisco

The Hacker News
The Hacker News Vulnerabilities

Warning: Unpatched Cisco Zero-Day Vulnerability Actively Targeted in the Wild

Cisco has warned of a critical, unpatched security flaw impacting IOS XE software that’s under active exploitation in the wild.Rooted in the web UI feature, th…

Cisco

The Hacker News
The Hacker News Vulnerabilities

HTTP/2 Rapid Reset Zero-Day Vulnerability Exploited to Launch Record DDoS Attacks

Amazon Web Services (AWS), Cloudflare, and Google on Tuesday said they took steps to mitigate record-breaking distributed denial-of-service (DDoS) attacks that…

AWS

The Hacker News
The Hacker News Vulnerabilities

Citrix Devices Under Attack: NetScaler Flaw Exploited to Capture User Credentials

A recently disclosed critical flaw in Citrix NetScaler ADC and Gateway devices is being exploited by threat actors to conduct a credential harvesting campaign.…

Citrix

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Debian LTS: DLA-3569-1: thunderbird security update

A buffer overflow in parsing WebP images may result in the execution of arbitrary code. For Debian 10 buster, this problem has been fixed in version

Linux

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Debian LTS: DLA-3568-1: firefox-esr security update

A buffer overflow in parsing WebP images may result in the execution of arbitrary code. For Debian 10 buster, this problem has been fixed in version

Linux

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Debian: DSA-5498-1: thunderbird security update

A buffer overflow in parsing WebP images may result in the execution of arbitrary code. For the oldstable distribution (bullseye), this problem has been fixed

Linux

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Ubuntu 6367-1: Firefox vulnerability

Firefox could be made to crash or run programs if it opened a malicious website.

Linux

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Debian: DSA-5496-1: firefox-esr security update

A buffer overflow in parsing WebP images may result in the execution of arbitrary code. For the oldstable distribution (bullseye), this problem has been fixed

Linux

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Debian LTS: DLA-3564-1: e2guardian security update

It was discovered that there was a potential Man In the Middle (MITM) vulnerability in e2guardian, a web content filtering engine. Validation of SSL certificat…

Linux

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Debian LTS: DLA-3558-1: python-django security update

It was discovered that there was a potential denial of service vulnerability in Django, a popular Python-based web development framework.

Linux

The Hacker News
The Hacker News Breaches & leaks

Cyberattacks Targeting E-commerce Applications

Cyber attacks on e-commerce applications are a common trend in 2023 as e-commerce businesses become more omnichannel, they build and deploy increasingly more A…

The Hacker News
The Hacker News Breaches & leaks

Spacecolon Toolset Fuels Global Surge in Scarab Ransomware Attacks

A malicious toolset dubbedSpacecolonis being deployed as part of an ongoing campaign to spread variants of the Scarab ransomware across victim organizations gl…

The Hacker News
The Hacker News Breaches & leaks

Nearly 2,000 Citrix NetScaler Instances Hacked via Critical Vulnerability

Nearly 2,000 Citrix NetScaler instances have been compromised with a backdoor by weaponizing a recently disclosed critical security vulnerability as part of a …

Citrix

The Hacker News
The Hacker News Breaches & leaks

Hundreds of Citrix NetScaler ADC and Gateway Servers Hacked in Major Cyber Attack

Hundreds of Citrix NetScaler ADC and Gateway servers have been breached by malicious actors to deploy web shells, according to the Shadowserver Foundation.The …

Citrix

The Hacker News
The Hacker News Breaches & leaks

Cybersecurity Agencies Warn Against IDOR Bugs Exploited for Data Breaches

Cybersecurity agencies in Australia and the U.S. havepublisheda joint cybersecurity advisory warning against security flaws in web applications that could be e…

The Hacker News
The Hacker News Vulnerabilities

Critical MikroTik RouterOS Vulnerability Exposes Over Half a Million Devices to Hacking

A severe privilege escalation issue impacting MikroTik RouterOS could be weaponized by remote malicious actors to execute arbitrary code and seize full control…

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Mageia 2023-0235: firefox/nss security update

An attacker could have triggered a use-after-free condition when creating a WebRTC connection over HTTPS (CVE-2023-37201). Cross-compartment wrappers wrapping …

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

SciLinux: SLSA-2023-4062-1 Important: thunderbird on SL7.x x86_64

This update upgrades Thunderbird to version 102.13.0. * Mozilla: Use-after-free in WebRTC certificate generation (CVE-2023-37201) * Mozilla: Potential use-afte…

Linux

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

SciLinux: SLSA-2023-4079-1 Important: firefox on SL7.x x86_64

This update upgrades Firefox to version 102.13.0 ESR. * Mozilla: Use-after-free in WebRTC certificate generation (CVE-2023-37201) * Mozilla: Potential use-afte…

Linux

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Debian LTS: DLA-3493-1: symfony security update

Multiple security vulnerabilities were found in symfony, a PHP framework for web and console applications and a set of reusable PHP components, which could lea…

Linux PHP