Daily Writeups
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Daily Writeups
⤷ Title: Learning GNU in 2025: The Best Choice for a Future-Ready Skillset
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𐀪 Author: Random Articles
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ⴵ Time: Thu, 02 Jan 2025 07:47:26 GMT
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⌗ Tags: #gnu #linux #hacking #unix
Medium
Learning GNU in 2025: The Best Choice for a Future-Ready Skillset
Here’s a roadmap to understanding and mastering GNU and related free and open-source software (FOSS) concepts:
3 views
Daily Writeups
⤷ Title: Multiple CVEs in GNU Screen: Local Root Exploit and TTY Hijacking Discovered
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𐀪 Author: Ddos
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ⴵ Time: Tue, 13 May 2025 00:45:58 +0000
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⌗ Tags: #Vulnerability #CVE_2025_23395 #CVE_2025_46802 #CVE_2025_46803 #CVE_2025_46804 #CVE_2025_46805 #Exploit #GNU Screen #privilege escalation #root access #security
Daily CyberSecurity
Multiple CVEs in GNU Screen: Local Root Exploit and TTY Hijacking Discovered
A security audit reveals critical flaws in GNU Screen, including a root exploit. The flaws impact both Screen 5.0.0 and 4.9.x, posing a major risk to Linux/UNIX systems.
15 views
Daily Writeups
⤷ Title: Free Software Foundation Under Siege: Ongoing DDoS & Relentless AI Web Crawler Attacks Since 2024
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𐀪 Author: Ddos
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ⴵ Time: Tue, 08 Jul 2025 07:01:20 +0000
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⌗ Tags: #Cybercriminals #AI Crawlers #botnet #cybersecurity #ddos #Distributed Denial of Service #Free Software Foundation #FSF #GNU Savannah #GNU.org #open_source #Web Scraping
Daily CyberSecurity
Free Software Foundation Under Siege: Ongoing DDoS & Relentless AI Web Crawler Attacks Since 2024
The Free Software Foundation reports ongoing DDoS attacks since Aug 2024, with much traffic from AI company crawlers. Its small team is overwhelmed by the relentless web scraping.
19 views
Daily Writeups
⤷ Title: Glibc 2.42 Released: New Features, Intel CPU Detection & SFrame Support for Linux
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𐀪 Author: ddos
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ⴵ Time: Wed, 30 Jul 2025 21:26:28 +0000
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⌗ Tags: #Linux #C23 #Development #glibc #GNU C Library #IBM z17 #Intel Processors #Malloc #open source #SFrame
Penetration Testing Tools
Glibc 2.42 Released: New Features, Intel CPU Detection & SFrame Support for Linux
GNU C Library 2.42 is out, bringing ISO C23 support, enhanced malloc caching, SFrame stack tracking, and detection for new Intel & IBM z17 processors to Linux.
21 views
Daily Writeups
⤷ Title: Debian GNU/Hurd 2025 Is Here with Full 64-Bit Support After 2 Years
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𐀪 Author: ddos
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ⴵ Time: Tue, 12 Aug 2025 02:18:06 +0000
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⌗ Tags: #Linux #Debian #GNU/Hurd #open source #operating system #Trixie #Unix
Penetration Testing Tools
Debian GNU/Hurd 2025 Is Here with Full 64-Bit Support After 2 Years
Debian GNU/Hurd 2025 is out, synchronized with Debian 13 "Trixie." The update brings full 64-bit support, improved performance, and new hardware compatibility.
19 views
Daily Writeups
⤷ Title: GNU Guix Issues Advisory for a Critical Privilege Escalation Flaw
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𐀪 Author: Ddos
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ⴵ Time: Thu, 04 Sep 2025 02:38:29 +0000
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⌗ Tags: #Vulnerability #CVE_2025_46416 #GNU Guix #guix_daemon #open_source #privilege escalation #security advisory
Daily CyberSecurity
GNU Guix Issues Advisory for a Critical Privilege Escalation Flaw
The GNU Guix team has issued an urgent advisory for a privilege escalation flaw in guix-daemon. Local users could gain control of build outputs, risking system integrity.
12 views
Daily Writeups
⤷ Title: So what is a “hacker” anyway?
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𐀪 Author: David Barrineau
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ⴵ Time: Fri, 05 Sep 2025 12:33:34 GMT
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⌗ Tags: #ethical_hacking #gnu #gnu_linux #hacking #linux
Medium
So what is a “hacker” anyway?
I started on a post where I go into depth about Linux. While I was writing it, it dawned on me to put in the history of Linux and UNIX (and…
17 views
Daily Writeups
⤷ Title: FSF Unveils LibrePhone Project to Bring Complete Computing Freedom to Mobile Devices
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𐀪 Author: ddos
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ⴵ Time: Tue, 07 Oct 2025 03:59:16 +0000
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⌗ Tags: #Technology #AI Ethics #Digital Rights #Free Software Foundation #FSF #GNU #LibrePhone #Mobile Freedom #open source
Penetration Testing Tools
FSF Unveils LibrePhone Project to Bring Complete Computing Freedom to Mobile Devices
The FSF celebrated its 40th anniversary by launching the LibrePhone project, an ambitious initiative to create a fully open and free-software mobile computing ecosystem.
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Daily Writeups
⤷ Title: C++20 Default: Red Hat Proposes Making the Latest Standard the Default in GCC
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𐀪 Author: ddos
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ⴵ Time: Mon, 17 Nov 2025 03:47:43 +0000
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⌗ Tags: #Technology #C++17 #C++20 #Compiler #GCC #GNU++20 #MarekPolacek #Redhat #SoftwareDevelopment
Penetration Testing Tools
C++20 Default: Red Hat Proposes Making the Latest Standard the Default in GCC
Red Hat proposed making C++20 (GNU++20) the default language standard in GCC, replacing C++17. The shift may appear in a version after the upcoming GCC 16 release.
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Daily Writeups
⤷ Title: GCC 16 Makes C++20 the Default Standard, Requires Flags for Older Projects
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𐀪 Author: ddos
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ⴵ Time: Mon, 01 Dec 2025 03:41:34 +0000
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⌗ Tags: #Technology #C++17 #C++20 #Compiler #Default Standard #GCC #GCC 16 #GNU #programming #Software Development
Penetration Testing Tools
GCC 16 Makes C++20 the Default Standard, Requires Flags for Older Projects
GCC developers have enabled C++20 as the default standard in the branch for the upcoming GCC 16 release.
5 views
Daily Writeups
⤷ Title: Critical Wget2 Flaws Expose Users to Arbitrary File Overwrites and Memory Crashes
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𐀪 Author: Ddos
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ⴵ Time: Fri, 02 Jan 2026 01:35:21 +0000
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⌗ Tags: #Vulnerability Report #buffer overflow #CVE_2025_69194 #CVE_2025_69195 #Filename Sanitization #GNU Wget2 #Linux Security #Metalink #Open Source Security #Path Traversal #Remote Code Execution
Daily CyberSecurity
Critical Wget2 Flaws Expose Users to Arbitrary File Overwrites and Memory Crashes
GNU Wget2, the modern successor to the ubiquitous command-line download tool, has been hit with a double whammy of security disclosures. Two newly identified vulnerabilities—one involving a treach…
28 views
Daily Writeups
⤷ Title: Defeating the Epochalypse: GRUB 2.14 Arrives to Save Linux from Year 2038
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𐀪 Author: Ddos
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ⴵ Time: Fri, 16 Jan 2026 03:12:22 +0000
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⌗ Tags: #Linux #Argon2 #Bootloader #EROFS #GNU Project #GRUB 2.14 #NX Protection #Open Source 2026 #Secure Boot #TPM 2.0 #Year 2038
Daily CyberSecurity
Defeating the Epochalypse: GRUB 2.14 Arrives to Save Linux from Year 2038
GRUB 2.14 launches in Jan 2026, fixing the Year 2038 bug and adding Argon2, TPM 2.0, and EROFS support for the ultimate Linux boot security.
9 views
Daily Writeups
⤷ Title: Decades-Old Flaw & New Heap Corruption: Critical glibc Bugs Revealed
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𐀪 Author: Ddos
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ⴵ Time: Mon, 19 Jan 2026 00:01:47 +0000
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⌗ Tags: #Vulnerability Report #ASLR Bypass #CVE_2026_0861 #CVE_2026_0915 #glibc #GNU C Library #heap corruption #infosec #integer overflow #Linux Security #Memory Leak
Daily CyberSecurity
Decades-Old Flaw & New Heap Corruption: Critical glibc Bugs Revealed
glibc patches CVE-2026-0861 (CVSS 8.4) & CVE-2026-0915. High-severity heap corruption and a 20-year-old leak affect Linux systems. Patch now.
29 views
Daily Writeups
⤷ Title: Root via Telnet: Why You Must Patch Your Synology NAS Against This Decade-Old Ghost
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𐀪 Author: Ddos
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ⴵ Time: Tue, 03 Feb 2026 04:26:44 +0000
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⌗ Tags: #Vulnerability Report #CVE_2026_24061 #DiskStation #DSM 7.2.2 #firmware update #GNU Inetutils #NAS security #privilege escalation #Root Exploit #Synology #Telnet vulnerability
Daily CyberSecurity
Root via Telnet: Why You Must Patch Your Synology NAS Against This Decade-Old Ghost
10 views
Daily Writeups
⤷ Title: Critical 9.8 CVSS telnetd Buffer Overflow Grants Pre-Auth Root
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𐀪 Author: Ddos
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ⴵ Time: Fri, 13 Mar 2026 00:23:43 +0000
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⌗ Tags: #Vulnerability #buffer overflow #cybersecurity #GNU Inetutils #infosec #legacy systems #LINEMODE SLC #Patch Alert #Pre_Auth RCE #Telnetd
Daily CyberSecurity
Critical 9.8 CVSS telnetd Buffer Overflow Grants Pre-Auth Root
A critical 9.8 CVSS pre-auth buffer overflow in GNU Inetutils telnetd allows attackers to execute arbitrary code and gain root access. Patch immediately.
34 views
Daily Writeups
⤷ Title: Root Without a Password: The 9.8 CVSS “Ghost in the Shell” Exploit Haunting GNU Telnet
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𐀪 Author: ddos
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ⴵ Time: Wed, 18 Mar 2026 12:03:27 +0000
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⌗ Tags: #Vulnerability #Buffer Overflow #CVE_2026_32746 #Dream Security #GNU InetUtils #Linux Security #Network Protocol #RCE #remote code execution #Root Access #Telnetd #zero_day 2026
Penetration Testing Tools
Root Without a Password: The 9.8 CVSS "Ghost in the Shell" Exploit Haunting GNU Telnet
CVE-2026-32746: A critical 9.8 CVSS flaw in GNU Telnet allows unauthenticated root access via port 23. Learn why this "Ghost" exploit is an existential threat.
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Daily Writeups
⤷ Title: Three Silent Vulnerabilities Discovered in the glibc Core
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𐀪 Author: Ddos
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ⴵ Time: Tue, 21 Apr 2026 14:37:23 +0000
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⌗ Tags: #Vulnerability Report #buffer overflow #CVE_2026_5358 #CVE_2026_5450 #CVE_2026_5928 #glibc #GNU C Library #heap overflow #infosec #Linux Kernel #Linux Security #Memory Disclosure
Daily CyberSecurity
Three Silent Vulnerabilities Discovered in the glibc Core
glibc version 2.43 and older face heap overflows and memory leaks. Learn about CVE-2026-5358, CVE-2026-5450, and CVE-2026-5928. Update your Linux systems now.
8 views
Daily Writeups
⤷ Title: Legacy Leak: Deprecated GNU C Library Functions Spark New Security Fears
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𐀪 Author: Ddos
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ⴵ Time: Wed, 29 Apr 2026 13:30:17 +0000
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⌗ Tags: #Vulnerability Report #buffer overflow #CVE_2026_5435 #CVE_2026_6238 #DNS Vulnerability #glibc #GNU C Library #infosec #Legacy Code #Linux Security #open_source #Patch Alert
Daily CyberSecurity
Legacy Leak: Deprecated GNU C Library Functions Spark New Security Fears
glibc warns of critical flaws (CVE-2026-5435 & CVE-2026-6238) in deprecated DNS functions. Patch legacy apps to avoid buffer overflows and memory leaks.
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Daily Writeups
⤷ Title: GNU Guix Vulnerabilities Expose guix substitute and guix pull
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𐀪 Author: Do Son
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ⴵ Time: Fri, 10 Jul 2026 06:16:51 +0000
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⌗ Tags: #Vulnerability Report #GNU Guix #guix pull #guix substitute #guix_daemon #Linux Security #privilege escalation
Daily CyberSecurity
GNU Guix Vulnerabilities Expose guix substitute and guix pull
TL;DR The GNU Guix project disclosed four GNU Guix vulnerabilities in early July 2026. Three affect the guix substitute helper, and one affects guix pull and guix time-machine. Together, they allo…
12 views