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Latest headlines from security outlets

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The Hacker News
The Hacker News Vulnerabilities

Critical cPanel Authentication Vulnerability Identified — Update Your Server Immediately

cPanel has released security updates to address a security issue impacting various authentication paths that could allow an attacker to obtain access to the co…

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Breaches & leaks

Fedora 42 PackageKit Vulnerability Causes Local Privilege Escalation Risk

Backport fix for race condition leading to root compromise (GHSA-f55j-vvr9-69xv)

Linux

The Hacker News
The Hacker News Breaches & leaks

PhantomCore Exploits TrueConf Vulnerabilities to Breach Russian Networks

A pro-Ukrainian hacktivist group called PhantomCore has been attributed to attacks actively targeting servers running TrueConf video conferencing software in R…

LinuxSecurity - Security Articles
LinuxSecurity - Security Articles Vulnerabilities

How Linux Pentesting Improves Network Security

When setting up network security systems, it is critical to ensure they work correctly and do not have flaws waiting to be exploited.

Linux

The Hacker News
The Hacker News Breaches & leaks

FIRESTARTER Backdoor Hit Federal Cisco Firepower Device, Survives Security Patches

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has revealed that an unnamed federal civilian agency's Cisco Firepower device running Adaptive…

Cisco

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Debian DSA-6222-1 ngtcp2 Important Buffer Overflow CVE-2026-40170

Zou Dikai discovered a buffer overflow in ngtcp2, a QUIC protocol library. For the oldstable distribution (bookworm), this problem has been fixed in version 0.…

Linux

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Debian DSA-6221-1 NTFS-3G Critical Buffer Overflow Privilege Escalation

Andrea Bocchetti discovered a heap-based buffer overflow in NTFS-3G, a read-write NTFS driver for FUSE. A local user can take advantage of this flaw for local …

Linux

The Hacker News
The Hacker News Vulnerabilities

SGLang CVE-2026-5760 (CVSS 9.8) Enables RCE via Malicious GGUF Model Files

A critical security vulnerability has been disclosed in SGLang that, if successfully exploited, could result in remote code execution on susceptible systems.Th…

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Breaches & leaks

Debian 11 DLA-4539-1 Imagemagick Important DoS Info Leak

Multiple security vulnerabilities were discovered in imagemagick, a software suite used for editing and manipulating digital images, which could lead to symlin…

Linux

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Debian Trixie pillow Important DoS Risk DSA-6219-1 CVE-2026-40192

It was discovered that missing input sanitising in the FITS support of Pillow, a Python imaging library, could result in denial of service. The oldstable distr…

Linux

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Breaches & leaks

Fedora 42 curl Critical Authentication Fixes 2026-907bbf2a13

fix bad reuse of HTTP Negotiate connection (CVE-2026-1965) fix token leak with redirect and netrc (CVE-2026-3783) fix wrong proxy connection reuse with credent…

Linux

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Debian 11 perl Important Code Injection Weakness DLA-4538-1 CVE-2025-40909

Vincent Lef¨vre discovered that, in the Perl programming language, at thread creation the current directory may temporarily change in other threads, altering f…

Linux

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Debian Bookworm DSA-6215-1 GIMP Important Denial of Service

Several vulnerabilities were discovered in GIMP, the GNU Image Manipulation Program, which could result in denial of service or potentially the execution of ar…

Linux

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Debian 11 DLA-4537-1 Mapserver Critical Heap Buffer Overflow DoS

A heap-buffer-overflow was found in mapserver, a CGI-based framework for Internet map services, which could lead to Denial of Service via crafted SLD (Styled L…

Linux

LinuxSecurity - Security Articles
LinuxSecurity - Security Articles Vulnerabilities

When LKML Patches Signal Exploitation Risk Before CVE Assignment

Think about Linux security like a product recall. A manufacturer starts fixing the issue before the public notice goes out. If you catch those early signals, y…

Linux

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Debian 11 python3.9 Critical UAF CVE-2026-6100 DLA-4532-1

It was found that the patches for CVE-2025-15366 and CVE-2025-15367 break backward compatibility, and upstream decided not to backport those patches to older P…

Linux

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Debian Bookworm gdk-pixbuf Important JPEG Code Execution DoS DSA-6206-1

It was discovered that gdk-pixbuf, the GDK Pixbuf library, does not properly validate color component counts in the JPEG image loader, which may result in the …

Linux

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Fedora 42 libcgif Critical Integer Overflow Advisory CVE-2026-4985

Version 0.5.3 Fix potential undefined behavior in cgif_addframe which could have led to an integer overflow CVE-2026-4985

Linux

The Hacker News
The Hacker News Vulnerabilities

Adobe Reader Zero-Day Exploited via Malicious PDFs Since December 2025

Threat actors have been exploiting a previously unknown zero-day vulnerability in Adobe Reader using maliciously crafted PDF documents since at least December …

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Fedora 42 python-pydicom Moderate Path Traversal Risk CVE-2026-32711

Patch release for security advisory CVE-2026-32711. A crafted DICOMDIR could create a path traversal by setting ReferencedFileID to a path outside the File-set…

Linux

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Fedora 42 Roundcube 1.6.15 Important SVG Bypass Security 2026-051825ca18

Version 1.6.15 This is a security update to the stable version 1.6 of Roundcube Webmail. It provides fixes to some regressions introduced in the previous relea…

Linux

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Debian Firefox-ESR Critical Code Execution Advisory DSA-6202-1

Multiple security issues have been found in the Mozilla Firefox web browser, which could potentially result in the execution of arbitrary code. For the oldstab…

Linux

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Debian Roundcube Important DSA-6196-1 Multiple Vulnerabilities

Multiple vulnerabilities were discovered in roundcube, a skinnable AJAX based webmail solution for IMAP servers, which could result in information disclosure, …

Linux

LinuxSecurity - Security Articles
LinuxSecurity - Security Articles Vulnerabilities

The npm Supply Chain Problem: Why Installing Packages Executes Untrusted Code

Running npm install is a reflex at this point. You see a progress bar, a few hundred dependencies fly by, and the lockfile updates. You move on to the next tas…

Linux