🟢 Low ⏱ 5–15 min Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2021-42521 Upstream summary: There is a NULL pointer dereference vulnerability in VTK before 9.2.5, and it lies in IO/Infovis/vtkXMLTreeReader.cxx. The vendor didn't check the return value of libxml2 […]
Introduction How to Configure a VXLAN Overlay Network on Debian 9 is a fundamental operation for any administrator maintaining a Debian 9 Stretch server. Debian 9 Stretch ships with the Linux 6.12 kernel, updated toolchains, and a fully refreshed package archive — meaning version numbers, configuration file paths, and some dependency chains differ from Debian […]
Learn how to index and slice strings in Python 3 with step-by-step examples. Master substring extraction, negative indexing, and slice notation.
🟢 Low ⏱ 5–15 min Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2006-5443 CVE-2008-4986 Upstream summary: Unspecified vulnerability in XIAO Gang WWW Interactive Mathematics Server (WIMS) before 3.60 allows remote attackers to modify unspecified data via unspecified vectors involving "variable […]
🟢 Low ⏱ 5–15 min Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2021-29136 Upstream summary: Open Container Initiative umoci before 0.4.7 allows attackers to overwrite arbitrary host paths via a crafted image that causes symlink traversal when "umoci unpack" or […]
🟠 High ⏱ 15–60 min Last verified: 25 May 2026 Affected versions: FreeBSD 13 📖 ~4 min read • Source: FreeBSD VuXML VuXML topic: ffmpeg — multiple vulnerabilities Related CVEs: CVE-2015-3395 CVE-2015-3885 CVE-2015-6761 CVE-2015-6818 CVE-2015-6819 CVE-2015-6820 CVE-2015-6821 CVE-2015-6822 +12 more Upstream summary: NVD reports: The ff_dwt_decode function in libavcodec/jpeg2000dwt.c in FFmpeg before 2.8.4 does […]
In this tutorial, you will recreate the second section of the demonstration website using CSS. Feel free to switch out Sammy’s information with your own if you wish to personalize the size. The methods you learn here can be applied to other CSS/HTML website projects.
🟠 High ⏱ 30–90 min Last verified: 25 May 2026 Affected versions: IBM AIX 7.2 📖 ~4 min read • Source: NVD CVE-2021-29825, IBM Support Bulletin CVE: CVE-2021-29825 NVD summary: IBM Db2 for Linux, UNIX and Windows (includes Db2 Connect Server) could disclose sensitive information when using ADMIN_CMD with LOAD or BACKUP. IBM X-Force […]
O pacote stringem Go possui várias funções disponíveis para trabalhar com o string data type. Essas funções nos permitem modificar e…
Introduction This tutorial demonstrates how to Harden GRUB Bootloader on RHEL 10 on RHEL 10. It is written for administrators who want a repeatable, well-explained walkthrough that goes beyond a bare command list and explains each configuration choice. Every command is tested against a freshly registered RHEL 10 system with the default AppStream repositories enabled. […]
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